Academic literature on the topic 'Biofuel (Biomass) Energy'

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Journal articles on the topic "Biofuel (Biomass) Energy"

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Danso-Boateng, Eric, and Osei-Wusu Achaw. "Bioenergy and biofuel production from biomass using thermochemical conversions technologies—a review." AIMS Energy 10, no. 4 (2022): 585–647. http://dx.doi.org/10.3934/energy.2022030.

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<abstract> <p>Biofuel and bioenergy production from diverse biomass sources using thermochemical technologies over the last decades has been investigated. The thermochemical conversion pathways comprise dry processes (i.e., torrefaction, combustion, gasification, and pyrolysis), and wet processes (i.e., liquefaction, supercritical water gasification, and hydrothermal carbonisation). It has been found that the thermochemical processes can convert diverse biomass feedstocks to produce bioenergy sources such as direct heat energy, as well as solid, liquid and gaseous biofuels for instance biochar, bio-oil and syngas. However, some of these processes have limitations that impede their large-scale utilisation such low energy efficiency, high costs, and generation of harmful chemicals that cause environmental concerns. Efforts are being made extensively to improve the conversion technologies in order to reduce or solve these problems for energy efficiency improvement. In this review, the emerging developments in the thermochemical techniques for producing biofuel and bioenergy from biomass are presented and evaluated in terms of their technological concepts and projections for implementation. It is suggested that an integration of torrefaction or hydrothermal carbonisation with combustion and/or gasification may optimise biomass energy use efficiency, enhance product quality, and minimise the formation of noxious compounds.</p> </abstract>
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Oves, Mohammad, Huda A. Qari, and Iqbal MI Ismail. "Biofuel formation from microalgae: A renewable energy source for eco-sustainability." Current World Environment 17, no. 1 (April 30, 2022): 04–19. http://dx.doi.org/10.12944/cwe.17.1.2.

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In the current scenario, biofuel production from microalgae is beneficial to sustainability. Recently, one of the most pressing concerns has been finding cost-effective and environmentally friendly energy sources to meet rising energy demands without jeopardizing environmental integrity. Microalgae provide a viable biomass feedstock for biofuel production as the global market for biofuels rises. Biodiesel made from biomass is usually regarded as one of the best natural substitutes to fossil fuels and a sustainable means of achieving energy security and economic and environmental sustainability. Cultivating genetically modified algae has been followed in recent decades of biofuel research and has led to the commercialization of algal biofuel. If it is integrated with a favorable government policy on algal biofuels and other byproducts, it will benefit society. Biofuel technology is a troublesome but complementary technology that will provide long-term solutions to environmental problems. Microalgae have high lipid content oil, fast growth rates, the ability to use marginal and infertile land, grow in wastewater and salty water streams and use solar light and CO2 gas as nutrients for high biomass development. Recent findings suggest nano additives or nanocatalysts like nano-particles, nano-sheet, nano-droplets, and nanotubes. Some specific structures used at various stages during microalgae cultivation and harvesting of the final products can enhance the biofuel efficiency and applicability without any negative impact on the environment. It offers a fantastic opportunity to produce large amounts of biofuels in an eco-friendly and long-term manner.
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Wasiak, Andrzej, and Olga Orynycz. "Energy Efficiency of a Biofuel Production System." Management and Production Engineering Review 8, no. 1 (March 1, 2017): 60–68. http://dx.doi.org/10.1515/mper-2017-0007.

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Abstract Manufacturing engineering is supposed to provide analyses related to various aspects of manufacturing and production in order to maximise technological, energy, and economic gains in relevant production processes. The present paper gives a recapitulation of several publications by present authors, presenting considerations of the energy efficiency of biofuel production. The energy efficiency is understood as the ratio of energy obtained from biofuels produced basing on crops from a particular area to the energy required to satisfy needs of all subsidiary processes assuring correct functioning of the production system, starting from operations aimed to obtain agricultural crops, and ending with the conversion of the crops onto biofuels. Derived by the present authors, the mathematical model of energy efficiency of biofuel production is extended to a more general form, and applied to the analysis of quantitative relations between energy efficiency of sc. “energy plantations”, and further elements of biofuel production system converting harvested biomass into biofuel. Investigations are aimed towards the determination of the role of biomass as a source of energy.
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Prananta, Wiraditma, and Ida Kubiszewski. "Assessment of Indonesia’s Future Renewable energy Plan: A Meta-Analysis of Biofuel Energy Return on Investment (EROI)." Energies 14, no. 10 (May 13, 2021): 2803. http://dx.doi.org/10.3390/en14102803.

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In early 2020, Indonesia implemented the biodiesel 30 (B30) program as an initiative to reduce Indonesia’s dependency on fossil fuels and to protect Indonesia’s palm oil market. However, palm oil has received international criticism due to its association with harmful environmental externalities. This paper analysed whether an investment in palm oil-based biofuel (POBB) provides Indonesia with the ability to achieve its environmental and financial goals. In this research, we performed a meta-analysis on biofuel energy return on investment (EROI) by examining 44 biofuel projects using ten types of biofuel feedstocks from 13 countries between 1995 and 2016. Results showed an average EROI of 3.92 and 3.22 for POBB and other biomass-based biofuels (OBBB), respectively. This shows that if only energy inputs and outputs are considered, biofuels provide a positive energy return. However, biofuels, including those from palm oil, produce externalities especially during land preparation and land restoration. We also compared these EROI biofuel results with other renewable energy sources and further analysed the implications for renewable energies to meet society’s energy demands in the future. Results showed that biofuel gives the lowest EROI compared to other renewable energy sources. Its EROI of 3.92, while positive, has been categorised as “not feasible for development”. If Indonesia plans to continue with its biofuel program, some major improvements will be necessary.
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KALETNIK, Hryhorii, Viktor PRYSHLIAK, and Natalia PRYSHLIAK. "Public Policy and Biofuels: Energy, Environment and Food Trilemma." Journal of Environmental Management and Tourism 10, no. 3 (July 15, 2019): 479. http://dx.doi.org/10.14505//jemt.v10.3(35).01.

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Current policies in energy sector address issues including environmentally friendly technologies, clean and renewable energy supplies and encourage more efficient energy use. The biofuel policy aims to promote production and consumption of fuels made from biomass. Despite the presence of both positive and negative effects of biofuels the world production and consumption of biofuels have been increasing significantly. To a large extent, this is due to an active public policy in the field of stimulating the production and consumption of biofuels. The volume of biofuel production in the leading countries (USA, Brazil and the EU) has been analyzed. The influence of public policy in the sphere of biofuel production and consumption on energy, environment and food security of the state has been examined. Multivariable and paired correlation as well as regression analysis aimed to determine the price dependence of the main crops used as feedstock for biofuels production, the volume of their production or processing for biofuels and the volumes of biofuel production have been carried out. As a result of this analysis the impact of the public policies in biofuels on the еnergy, environment and food security has been identified.
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Kumar, Sumit, Dushyant Kumar, Prashant Sharma, and Anita Punia. "Challenges and Opportunities in Bioprospecting for Sustainable Biofuel Production: Current Status and Future Perspectives." International Journal of Current Microbiology and Applied Sciences 11, no. 5 (May 10, 2022): 230–54. http://dx.doi.org/10.20546/ijcmas.2022.1105.027.

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Increasing global energy demand and environmental concerns associated with petroleum have raised interest in biofuels to reduce dependency on crude oil and promote carbon-neutral energy generation. The information available suggests that biomass can become a sustainable and significant contributor to current energy demands if research and development in the field of thermochemical transformation for various biomass types are encouraged. The primary products of biofuel may be in a gas, liquid, or solid form. These products can be further converted by biochemical, physical, and thermochemical methods. The first generation of biofuels is ethanol derived from food crops rich in starch or biodiesel made from waste animal fats such as cooking grease. The second generation is bioethanol derived from non-food cellulosic biomass and biodiesel taken from oil-rich plant seeds, such as soybeans or jatropha. The third generation of biofuels is made from cyanobacteria, microalgae, and other microbes, and it is the most promising approach to meeting the world's energy demands. The era of biofuel production desires the ability to conclude formal incorporation of functional genomics metabolomics with transcriptomics will undoubtedly support the discovery. This review focuses on the production of biofuel through molecular marker technology, next-generation technology, and biochemical process.
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Ciolkosz, D. "Torrefied biomass in biofuel production system." Scientific Horizons 93, no. 8 (2020): 9–12. http://dx.doi.org/10.33249/2663-2144-2020-93-8-9-12.

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Ukraine produces large amounts of crop residues every year, much which could be utilized to produce biofuel. However, efficient supply chains and system configurations are needed to make such systems efficient and cost effective. One option is to integrate torrefaction, power production and biofuel production into a single, coordinated system. This approach allows for high value product (i.e. biofuel), greater utilization of the energy content of the feedstock, and supply chain efficiency. Initial analyses indicate that revenues can be enhanced through this approach, and further analyses and optimization efforts could identify a sustainable approach to renewable fuel and power production for Ukraine. The question of scale and layout remains of interest as well, and a thorough logistical study is needed to identify the most suitable configuration. Agricultural operations often benefit from smaller scales of operation, whereas fuel production processes tend to operate profitably only at very large scale. Thus, a balance must be struck between the needs of both ends of the supply chain. The processing center concept helps to balance those needs. A system such as this also has potential to synergize with other agricultural production systems, such as the production of animal feed, fertilizer, and other bio-based products. The complexities of the Ukrainian agricultural market will need to be reflected carefully in any model that seeks to assess the system's potential. Presents a concept for coupling thermal pretreatment (torrefaction with biofuel and power production for the transformation of wheat straw into a value added product for Ukraine. Torrefaction provides supply chain savings, while conversion provides added value to the product. This paradigm has potential to utilize a widely produced waste material into a valuable source of energy and possibly other products for the country.
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Santosh Narayan Chadar and Anil Kumar Ahirwar. "Biofuel from biomass as an alternative energy source for sustainable development." Open Access Research Journal of Science and Technology 6, no. 1 (October 30, 2022): 071–74. http://dx.doi.org/10.53022/oarjst.2022.6.1.0023.

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Energy is a critical input for economic growth and sustainable development in both developed and developing countries. The world’s energy requirement for transportation is met from non-renewable fossil fuels. Two hundred years ago, the world experienced an energy revolution that launched the industrial age .The industrialized world’s thirst for energy has increased tremendously which caused a serious energy crisis. Biodiesel production from different vegetable oils is a promising alternative fuel for the diesel engine and as a major step towards creating an environment friendly transportation fuel that is relatively clean on combustion. This paper deals with the biofuel as an alternative fuel derived from biomass, namely ethanol and biodiesel. The paper discusses how the potential of biofuel offsets the use of fossil fuels and reduces the emission of green house gases, it also lays emphasis on the environmental impact of Jatropha curcas a plant species which is used for biofuel production and how biofuels improves air quality.
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Chen, Minghao, Yixuan Chen, and Qingtao Zhang. "A Review of Energy Consumption in the Acquisition of Bio-Feedstock for Microalgae Biofuel Production." Sustainability 13, no. 16 (August 9, 2021): 8873. http://dx.doi.org/10.3390/su13168873.

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Microalgae biofuel is expected to be an ideal alternative to fossil fuels to mitigate the effects of climate change and the energy crisis. However, the production process of microalgae biofuel is sometimes considered to be energy intensive and uneconomical, which limits its large-scale production. Several cultivation systems are used to acquire feedstock for microalgal biofuels production. The energy consumption of different cultivation systems is different, and the concentration of culture medium (microalgae cells contained in the unit volume of medium) and other properties of microalgae vary with the culture methods, which affects the energy consumption of subsequent processes. This review compared the energy consumption of different cultivation systems, including the open pond system, four types of closed photobioreactor (PBR) systems, and the hybrid cultivation system, and the energy consumption of the subsequent harvesting process. The biomass concentration and areal biomass production of every cultivation system were also analyzed. The results show that the flat-panel PBRs and the column PBRs are both preferred for large-scale biofuel production for high biomass productivity.
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Ketov, Aleksandr, Natalia Sliusar, Anna Tsybina, Iurii Ketov, Sergei Chudinov, Marina Krasnovskikh, and Vladimir Bosnic. "Plant Biomass Conversion to Vehicle Liquid Fuel as a Path to Sustainability." Resources 11, no. 8 (August 5, 2022): 75. http://dx.doi.org/10.3390/resources11080075.

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Biofuel such as linseed oil has an energy potential of 48.8 MJ/kg, which is much lower than fossil diesel fuel 57.14 MJ/kg. Existing biofuels need to increase the energy potential for use in traditional engines. Moreover, biofuel production demands cheap feedstock, for example, sawdust. The present paper shows that the technology to synthesize high-energy liquid vehicle fuels with a gross calorific value up to 53.6 MJ/kg from renewable sources of plant origin is possible. Slow pyrolysis was used to produce high-energy biofuel from sawdust and linseed oil. The proposed approach will allow not only to preserve the existing high-tech energy sources of high unit capacity based on the combustion of liquid fuels, but also to make the transition to reducing the carbon footprint and, in the future, to carbon neutrality by replacing fossil carbon of liquid hydrocarbon fuels with the carbon produced from biomass.
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Dissertations / Theses on the topic "Biofuel (Biomass) Energy"

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Thondhlana, Gladman. "Land acquisition for and local livelihood implications of biofuel development in Zimbabwe." Rhodes University, 2016. http://hdl.handle.net/10962/49940.

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In recent years, proponents of 'green and clean fuel' have argued that the costs of overreliance on fossil fuels could be reduced through transition to biofuels such as bio-ethanol. Global biofuel discourses suggest that any transition to biofuel invariably results in significant benefits, including energy independence, job creation, development of agro-industrial centres at local level and high revenue generations for the state with minimum negative impacts on the environment. With many risks and costs associated with traditional 'dirty' fuels, it is likely that many countries, particularly African countries, will move towards the 'green and clean fuel' alternative. However, until recently research has arguably paid limited attention to the local livelihood impacts related to land acquisition for biofuel development or the policy frameworks required to maximise biofuel benefits. With regards to biofuel benefits, some recent studies suggest that the much bandied potential for greater tax revenue, lowered fuel costs and wealth distribution from biofuel production have all been perverted with relatively little payoff in wage labour opportunities in return (e.g. Richardson, 2010; Wilkinson and Herrera, 2010). Based on work done in Chisumbanje communal lands of Zimbabwe (Thondhlana, 2015), this policy brief highlights the local livelihood impacts of biofuel development and discusses policy implications of the findings. By highlighting the justifications of biofuel development at any cost by the state, the study sheds some light on the conflicts between state interests and local livelihood needs.
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Anfinrud, Robynn Elizabeth. "Nitrogen Uptake and Biomass and Ethanol Yield of Biomass Crops as Feedstock for Biofuel." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26524.

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Nitrogen fertilizers are extensively used to enhance the growth of biomass crops. This study was conducted to determine the effect of N rates on the biomass yield and quality, and N uptake of several crops. The experiment was conducted at Fargo and Prosper, ND, in 2010 and 2011. The crops studied were forage sweet sorghum [Sorghum bicolor L. Moench], sorghum x sudangrass [Sorghum bicolor var. sudanense (Piper) Stapf.], kenaf [Hibiscus cannabinus L.], and reed canarygrass [Phalaris arundinacea L.]. The different crops constituted the main plots and the nitrogen rates were regarded as subplots. The five N rates were 0, 75, 100, 150, and 200 kg N ha-1. Forage sweet sorghum and sorghum x sudangrass had the greatest dry matter biomass yield. Nitrogen fertilization increased biomass yield for each of the crops. The results indicate that forage sorghum and sorghum x sudangrass have the greatest potential as a feedstock.
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Inglesby, Alister Edward. "Biochemical and bioelectrochemical technology for third generation biofuel production." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648335.

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Adebayo, Adebola B. "Pretreatments and energy potentials of Appalachian hardwood residues for biofuel production." Morgantown, W. Va. : [West Virginia University Libraries], 2010. http://hdl.handle.net/10450/10928.

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Thesis (Ph. D.)--West Virginia University, 2010.
Title from document title page. Document formatted into pages; contains viii, 98 p. : ill. (some col.), col. map. Includes abstract. Includes bibliographical references.
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Kazamia, Elena. "Synthetic ecology : a way forward for sustainable algal biofuel production." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607904.

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Adesanya, Victoria Oluwatosin. "Investigation into the sustainability and feasibility of potential algal-based biofuel production." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708126.

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Matakala, Litiya. "Biofuel policies : what can Zambia learn from leading biofuel producers." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/5748.

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Thesis (MDF (Development Finance))--University of Stellenbosch, 2009.
ENGLISH ABSTRACT: Price volatility and high dependency on imported petroleum fuel has prompted the Zambian government to look into renewable fuels as part of an energy diversification program. With growing global interest in biofuels as a transportation fuel, the Zambian government intends to introduce bioethanol and biodiesel as renewable fuels in the transportation sector. While it seems feasible to produce both the feedstocks and biofuels to meet local demand, a regulatory framework and industry support mechanisms have not yet been formulated. The policy and regulatory frameworks encompass a multitude of actors, networks and institutions all playing distinct and important roles. Incorporating the differing interests of all these stakeholders is an involving process that requires detailed analysis of agriculture, environmental, energy, socioeconomic and taxation policies. This study attempts to contribute to the biofuels policy formulation process in Zambia. It analyses biofuel policies in leading biofuels producing countries and identifies aspects that the Zambian government should consider incorporating in its own policies to ensure a viable biofuels industry. Biofuel policies in Brazil, Germany and the United States of America were analysed using a detailed case study and extensive literature review. Furthermore, a detailed analysis of the Zambian agriculture sector and the demand for petroleum fuel puts into context the potential demand and challenges likely to be faced. By understanding the history and development of biofuels in the case study countries, best practices, problems faced, policy innovations and industry support mechanisms were identified to inform policy formulation in Zambia. This does not only provide valuable insights and lessons but also ensures that time and resources are not wasted by reinventing the wheel. The comparative analysis of policies and support mechanisms in the three case study countries showed that articulating a clear policy objective, government support in the form of subsidies, wide stakeholder involvement and industry regulation have all played a critical role in the development of the industry. However, the extent to which all these factors have helped to shape the industry in Brazil, Germany and the USA is neither equal nor static. Countries are continuously adapting their policies and support mechanisms to environmental, energy and economic conditions.
AFRIKAANSE OPSOMMING: Die onbestendigheid van pryse en die groot mate van afhanklikheid van ingevoerde petroleumbrandstof het die Zambiese regering aangespoor om ondersoek in te stel na hernubare brandstof as deel van 'n energiediversifiseringsprogram. In die lig van die groeiende globale belangstelling in biobrandstof as vervoerbrandstof, beplan die Zambiese regering om bioetanol en biodiesel as hernubare brandstof in die vervoersektor te begin gebruik. Al lyk dit prakties uitvoerbaar om sowel die voerstof as die biobrandstof te vervaardig om in die plaaslike aanvraag te voorsien, is 'n reguleringsraamwerk en ondersteuningsmeganismes vir die industrie nog nie geskep nie. 'n Menigte rolspelers, netwerke en instellings, wat almal verskillende en belangrike rolle speel, sal betrokke wees by die beleidsformulering en reguleringsraamwerk. Om die uiteenlopende belange van al die betrokke partye in ag te neem is 'n ingewikkelde proses wat sal vereis dat 'n uitvoerige analise gemaak word van landbou-, omgewings-, energie-, sosio-ekonomiese en belastingbeleidsrigtings. Die doelwit van hierdie studie is om 'n bydrae te lewer tot die formuleringsproses van die biobrandstofbeleid in Zambie. Dit analiseer die biobrandstofbeleid van die vooraanstaande lande wat biobrandstof vervaardig, en identifiseer aspekte wat die Zambiese regering in sy beleid behoort in te sluit om 'n lewensvatbare biobrandstofindustrie te verseker. Die biobrandstofbeleid van Brasilie, Duitsland en die Verenigde State van Amerika (VSA) is geanaliseer met behulp van uitvoerige gevallestudies en 'n grondige literatuurstudie. Verder plaas 'n noukeurige analise van die Zambiese landbousektor en die aanvraag na petroleumbrandstof die potensiele aanvraag en uitdagings wat waarskynlik hanteer sal meet word in konteks. Deur insig te verkry in die geskiedenis en ontwikkeling van biobrandstof in die lande waar die gevallestudies gedoen is, kon die beste gebruike, moontlike probleme, nuwe beleidsrigtings en ondersteuningsmeganismes in die bedryf geidentifiseer word om die beleid in Zambie te help formuleer. Dit bied nie slegs waardevolle insig en leergeleenthede nie, maar verseker ook dat tyd en hulpbronne nie vermors word deur die wiel van voor af uit te vind nie. Die vergelykende analise van die beleidsrigtings en ondersteuningsmeganismes in die drie lande waar die gevallestudies gedoen is, het getoon dat 'n duidelik geformuleerde beleidsdoelwit, ondersteuning van die regering in die vorm van subsidies, die algemene betrokkenheid van belanghebbendes en die regulering van die industrie alles 'n uiters belangrike rol gespeel het in die ontwikkeling van hierdie industrie. Die mate waarin al hierdie faktore die industrie in Brasilie, Duitsland en die VSA help vorm het, het egter gewissel en was nooit staties nie. Lande pas voortdurend hulle beleid en ondersteuningsmeganismes aan by omgewings-, energie- en ekonomiese toestande.
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Görling, Martin. "Turbomachinery in Biofuel Production." Licentiate thesis, KTH, Energiprocesser, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-28901.

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The aim for this study has been to evaluate the integration potential of turbo-machinery into the production processes of biofuels. The focus has been on bio-fuel produced via biomass gasification; mainly methanol and synthetic natural gas. The research has been divided into two parts; gas and steam turbine applications. Steam power generation has a given role within the fuel production process due to the large amounts of excess chemical reaction heat. However, large amounts of the steam produced are used within the production process and is thus not available for power production. Therefore, this study has been focused on lowering the steam demand in the production process, in order to increase the power production. One possibility that has been evaluated is humidification of the gasification agent in order to lower the demand for high quality steam in the gasifier and replace it with waste heat. The results show that the power penalty for the gasification process could be lowered by 18-25%, in the specific cases that have been studied. Another step in the process that requires a significant amount of steam is the CO2-removal. This step can be avoided by adding hydrogen in order to convert all carbon into biofuel. This is also a way to store hydrogen (e.g. from wind energy) together with green carbon. The results imply that a larger amount of sustainable fuels can be produced from the same quantity of biomass. The applications for gas turbines within the biofuel production process are less obvious. There are large differences between the bio-syngas and natural gas in energy content and combustion properties which are technical problems when using high efficient modern gas turbines. This study therefore proposes the integration of a natural gas fired gas turbine; a hybrid plant. The heat from the fuel production and the heat recovery from the gas turbine flue gas are used in a joint steam cycle. Simulations of the hybrid cycle in methanol production have shown good improvements. The total electrical efficiency is increased by 1.4-2.4 percentage points, depending on the fuel mix. The electrical efficiency for the natural gas used in the hybrid plant is 56-58%, which is in the same range as in large-scale combined cycle plants. A bio-methanol plant with a hybrid power cycle is consequently a competitive production route for both biomass and natural gas.
QC 20110128
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Luo, Dexin. "Design of highly distributed biofuel production systems." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/45878.

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This thesis develops quantitative methods for evaluation and design of large-scale biofuel production systems with a particular focus on bioreactor-based fuel systems. In Chapter 2, a lifecycle assessment (LCA) method is integrated with chemical process modeling to select from different process designs the one that maximizes the energy efficiency and minimizes the environmental impact of a production system. An algae-based ethanol production technology, which is in the process of commercialization, is used as a case study. Motivated by this case study, Chapter 3 studies the selection of process designs and production capacity of highly distributed bioreactor-based fuel system from an economic perspective. Nonlinear optimization models based on net present value maximization are developed that aim at selecting the optimal capacities of production equipment for both integrated and distributed-centralized process designs on symmetric production layouts. Global sensitivity analysis based on Monte Carlo estimates is performed to show the impact of different parameters on the optimal capacity decision and the corresponding net present value. Conditional Value at Risk optimization is used to compare the optimal capacity for a risk-neutral planner versus a risk-averse decision maker. Chapter 4 studies mobile distributed processing in biofuel industry as vehicle routing problem and production equipment location with an underlying pipeline network as facility location problem with a focus on general production costs. Formulations and algorithms are developed to explore how fixed cost and concavity in the production cost increases the theoretical complexity of these problems.
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Guo, Zhimei. "Economic and policy perspectives of biofuel as an emerging use of forest biomass in Mississippi." Master's thesis, Mississippi State : Mississippi State University, 2007. http://library.msstate.edu/etd/show.asp?etd=etd-09072007-125135.

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Books on the topic "Biofuel (Biomass) Energy"

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Demafelis, Rex. Samoa biofuel study report: Mission report. Samoa]: Food and Agriculture Organization of the United Nations, Subregional Office for the Pacific Islands, 2009.

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Graver, Lauren S., and Matthew R. Kriss. Biofuel sustainability: Research areas and knowledge gaps. Hauppauge, N.Y: Nova Science Publishers, 2011.

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Alonso, Stefania. Biofuel use in the U.S.: Impact and challenges. Hauppauge, N.Y: Nova Science Publishers, 2011.

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Jaeger, William K. Biofuel potential in Oregon: Background and evaluation of options. Corvallis, Or: Oregon State University, Extension Service, 2007.

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1954-, Mayumi Kozo, ed. The biofuel delusion: The fallacy of large scale agro-biofuels production. London: Earthscan, 2009.

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P, Haas Bratt, ed. Ethanol biofuel production. Hauppauge, N.Y: Nova Science Publishers, 2009.

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Baker, Mindy L. Crop-based biofuel production under acreage constraints and uncertainty. Ames, Iowa: Center for Agricultural and Rural Development, Iowa State University, 2008.

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Khanal, Samir Kumar. Bioenergy and biofuel from biowastes and biomass. Reston, Va: American Society of Civil Engineers, 2010.

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Khanal, Samir Kumar. Bioenergy and biofuel from biowastes and biomass. Reston, Va: American Society of Civil Engineers, 2010.

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Kumar, Khanal Samir, and Environmental and Water Resources Institute (U.S.). Bioenergy and Biofuel Task Committee., eds. Bioenergy and biofuel from biowastes and biomass. Reston, Va: American Society of Civil Engineers, 2010.

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Book chapters on the topic "Biofuel (Biomass) Energy"

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Weldekidan, Haftom, Vladimir Strezov, and Graham Town. "Solar Energy for Biofuel Extraction." In Renewable Energy Systems from Biomass, 189–206. Boca Raton: Taylor & Francis, 2019.: CRC Press, 2018. http://dx.doi.org/10.1201/9781315153971-12.

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Arends, Isabel W. C. E. "Chemistry of Biofuels and Biofuel Additives from Biomass." In Biomass as a Sustainable Energy Source for the Future, 547–70. Hoboken, NJ: John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118916643.ch18.

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Rajeswari, Gunasekaran, Samuel Jacob, and Rintu Banerjee. "Perspective of Liquid and Gaseous Fuel Production from Aquatic Energy Crops." In Sustainable Biofuel and Biomass, 167–82. Includes bibliographical references and index: Apple Academic Press, 2019. http://dx.doi.org/10.1201/9780429265099-9.

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Bhat, Rouf Ahmad, Dig Vijay Singh, Fernanda Maria Policarpo Tonelli, and Khalid Rehman Hakeem. "Economic Consideration on Biofuel and Energy Security." In Plant and Algae Biomass, 127–33. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94074-4_7.

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Bhatt, S. M., Shilpa Bhatt, and Aurindam Bakshi. "Economical Biofuel Production Strategies from Biomass Biowaste." In Clean Energy Production Technologies, 1–22. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1888-8_1.

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van Antwerpen, R., S. D. Berry, T. van Antwerpen, J. Smithers, S. Joshi, and M. van der Laan. "Sugarcane as an Energy Crop: Its Role in Biomass Economy." In Biofuel Crop Sustainability, 53–108. Oxford, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118635797.ch3.

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Tiwari, Archana, and Thomas Kiran Marella. "Algal Biomass: Potential Renewable Feedstock for Biofuel Production." In Clean Energy Production Technologies, 1–32. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-32-9607-7_1.

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Höfer, Isabel, Martin Kaltschmitt, and Alexander Beckendorff. "Emissions from Solid Biofuel Combustion: Pollutant Formation and Control Options." In Energy from Organic Materials (Biomass), 483–512. New York, NY: Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4939-7813-7_1043.

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Bisht, Sarita, Amit Kumar, Narendra Kumar, Hukum Singh, and Parmanand Kumar. "Biofuel Production by Using Biomass and Its Application." In Renewable Energy and Green Technology, 85–103. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003175926-8.

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Sahay, Sanjay. "Impact of Pretreatment Technologies for Biomass to Biofuel Production." In Clean Energy Production Technologies, 173–216. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-32-9607-7_7.

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Conference papers on the topic "Biofuel (Biomass) Energy"

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Jamaludin, Aliyah, and C. K. M. Faizal. "Membraneless enzymatic biofuel cell powered by starch biomass." In II INTERNATIONAL SCIENTIFIC FORUM ON COMPUTER AND ENERGY SCIENCES (WFCES-II 2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0099571.

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Zhang, P. F., and Z. J. Pei. "Effects of Ultrasonic Treatments on Cellulose in Cellulosic Biofuel Manufacturing: A Literature Review." In ASME 2010 International Manufacturing Science and Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/msec2010-34180.

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Cellulosic biofuels are one type of renewable energy, and have been proposed to replace traditional liquid transportation fuels. Cellulosic biomass is the feedstocks in cellulosic biofuel manufacturing. Cellulose accounts for approximately 30% of the total weight in cellulosic biomass. Glucose, one type of monosaccharide convertible to ethanol, can be obtained by hydrolyzing the polymeric structure of cellulose. Currently enzymatic methods are the most common for the hydrolysis of cellulose. However, the low efficiency of enzymatic hydrolysis increases production cost and hinders the large-scale manufacturing of cellulosic biofuels. Ultrasonic treatments applied on cellulosic biomass were found to improve the efficiency of hydrolysis and subsequently increase the sugar yield of hydrolysis. To understand the effects of ultrasonics on cellulose, investigations have been conducted on the effects on cellulose characteristics caused by ultrasonic treatments during hydrolysis. This paper reviews the effects of ultrasonic treatments on cellulose during hydrolysis in terms of sugar yield and some characteristics of cellulose, such as accessibility, crystallinity, degree of polymerization, and morphological structure.
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Li Wang and Suzelle Barrington and Mari Shin. "Utilisation of Biomass Energy Using Biofuel Cell in Waste and Wastewater Treatment." In 2004, Ottawa, Canada August 1 - 4, 2004. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16820.

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Hansen, Samuel, and Amin Mirkouei. "Past Infrastructures and Future Machine Intelligence (MI) for Biofuel Production: A Review and MI-Based Framework." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-86150.

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Recent interest in alternative energy sources, particularly biofuels from biomass, is becoming increasingly evident due to energy security and environmental sustainability concerns, such as depletion of conventional energy reserves and carbon footprint effects, respectively. Existing fuels (e.g., biodiesel and ethanol) are neither sustainable nor cost-competitive. There is a need to integrate the recent advanced manufacturing approaches and machine intelligence (MI) techniques (e.g., machine learning and artificial intelligence), targeted on the midstream segment (i.e., pre-/post-conversion processes) of biomass-to-biofuel supply chains (B2BSC). Thus, a comparative review of the existing MI approaches developed in prior studies is performed herein. This review article, additionally, proposes an MI-based framework to enhance productivity and profitability of existing biofuel production processes through intelligent monitoring and control, optimization, and data-driven decision support tools. It is further concluded that a modernized conversion process utilizing MI techniques is essential to seamlessly capture process-level intricacies and enhance techno-economic resilience and socio-ecological integrity of B2BSC.
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Shamsuddin, Abd Halim, and Mohd Shahir Liew. "High Quality Solid Biofuel Briquette Production From Palm Oil Milling Solid Wastes." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90122.

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Malaysia has about 4.2 million hectares of oil palm plantation. The palm oil milling industry has over 400 mills throughout the country with total milling capacity of 82 million tonnes fresh fruit bunches, FFB, per year. In 2003, the amount of FFB processed was 67 million tonnes, which generated solid wastes in the forms of empty fruit bunches, EFB (19.43 million tonnes), mesocarp fibres (12.07 million tonnes) and palm kernel shell (4.89 million tonnes). These wastes has moisture content of 60–70% for EFB and mesocarp fibre, and 34–40% for palm kernel shell, and calorific value of 5.0 – 18.0 Mj/kg. A processing technology was developed to process these low quality biomass fuels into high quality solid biofuel briquettes with moisture content in the range 8–12%. Depending on the formulations and the sources of the raw biomass, the final solid biofuel briquettes can have calorific values in the range of 18–25 Mj/kg. The production of the solid biofuel briquettes would be an attractive financial advantage for full exploitation of biomass fuels. Logistic problems due to the disperse nature of the biomass resources would significantly be addressed.
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ČERNIAUSKIENĖ, Živilė, Egidijus ZVICEVIČIUS, Algirdas RAILA, Vita TILVIKIENĖ, Zofija JANKAUSKIENĖ, and Žydrė KADŽIULIENĖ. "ASSESSMENT OF PROPERTIES OF COARSE-ENERGY PLANTS." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.190.

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In the world, fossil fuel resources are constantly decreasing and increasing energy use. This leads to wider use of biomass in various industrial areas. Also, for the production of heat and electricity. Depending on the situation of current market, much attention is being paid to increasing the potential of biomass and to ensure the needs of users. Recently, much attention is paid to non-food energy plants, which could be used in thermochemical conversion technologies. These plants must be well adapted to climatic conditions, to grow a high biomass yield, to possess high energy value, easy to use for biofuel production and low environmental impact. Having a high energy potential and promising plants for cultivation in a changing climate conditions can be characterized and these plants: this is Miscantus spp. (namely miscanthus), Artemisia dubia Wall. (mugwort) and Cannabis sativa L. (fiber hemp). The article summarizes long-standing biometric and thermal performance results on Miscantus spp. (namely miscanthus), Artemisia dubia Wall. (mugwort) and Cannabis sativa L. (fiber hemp). In Lithuania climate condition, it is possible to grow from 3.26 to 17.06 t ha-1 of dry biomass per year from the mentioned plants. The calorific value of biomass has a huge influence on assessment of energy potential from plants. After combustion of 1 kilogram of Miscantus spp., Artemisia dubia Wall. and Cannabis sativa L. biomass it stands out on average 18.3±0.06, 18.5±0.66 and 17.43±0.06 MJ of heat, respectively. An equally important property which assesses the suitability of biomass for biofuels is ash content. The average ash content of biomass from Miscantus spp. and Artemisia dubia Wall was 1.51±0.03 % and 2.69±0.33 %, i.e. 2.22 times and 1.25 times lower than Cannabis sativa L.
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Watson, Kyle A., William T. Stringfellow, Edwin R. Pejack, John J. Paoluccio, and Ravi K. Jain. "A Liquid Torrefication Process for Producing a Storable, Energy-Dense Fuel From Biomass Feedstock." In ASME 2010 Power Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/power2010-27083.

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This paper discusses a novel process for creating torrefied wood pellets by using a liquid torrefication process. Torrefication is a type of pyrolysis process originally developed for converting wood to an energy-dense material with properties similar to coal that would be more compact and practical to ship long distances and store outdoors. Torrefied wood has been used in specialized metallurgy and other industrial applications, but wide-scale utilization of torrefication for biofuel production has not been commercialized. Virtually all of the processing methods used in the past involve exposing biomass to hot, inert gas in an oxygen free environment; this gas-phase torrefication has a number of drawbacks, including a net-negative overall energy balance; generation of polluted gas that is difficult to treat or control; safety issues associated with the intrusion of oxygen into the inert gas; large equipment size and associated initial capital cost; operating cost; and manufacture of a nonuniform product. This paper discusses a technique that uses a heat treatment fluid in lieu of an inert gas which has numerous advantages over gas-phase torrefication and resolves many of the problems resulting from the commercial application of gasphase torrefication. This process for converting biomass to biofuel using a liquid-phase torrefication process is being developed under the trade name CNFbiofuel™ where CNF is an acronym for Carbon Neutral Fuel. The CNF Biofuel process has been developed on a small scale and results of preliminary testing are presented. Measurements of the energy content for the proposed biofuel process indicate an 18% increase in energy content for torrefied versus untreated wood pellets. Furthermore, the energy density measurements of these treated samples were also consistently higher than the untreated samples. Measurements have also been performed in order to measure the hydrophobic ability of the treated pellets and the results indicate that saturation with water has only a small effect on energy content. The heating value was determined to be reduced by only 2.2% on average after soaking in water for six hours and then being allowed to dry for 12 hours. The potential advantages of liquid-phase torrefication over any currently available gas-phase process are discussed.
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Chanhom, Nuttida, Prapaporn Prasertpong, and Nakorn Tippayawong. "Biomass to biofuel precursor: Conversion of glucose and fructose to 5-hydroxymethyfurfural by acid hydrolysis." In 3RD INTERNATIONAL CONFERENCE ON ENERGY AND POWER, ICEP2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0117870.

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Gundupalli, Marttin, Prapakorn Tantayotai, Kitipong Rattanaporn, Wasinee Pongprayoon, Theerawut Phusantisampan, and Malinee Sriariyanun*. "Effects of Inorganic Salts on Enzymatic Saccharification Kinetics of Lignocellulosic Biomass for Biofuel Production." In IEEA 2021: 2021 The 10th International Conference on Informatics, Environment, Energy and Applications. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3458359.3458361.

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Godina, Daniela, Ralf Pomilovskis, Nadezda Iljina, Kristine Meile, and Aivars Zhurinsh. "Pyrolysis and acid hydrolysis of lignocellulosic biomass as a tool for monosaccharide obtaining." In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.014.

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Due to the ever increasing demand for energy resources, more and more attention is being paid to renewable energy resources. One such potential resource is lignocellulosic biomass that can be treated to acquire a carbohydrate rich substrate for further use in producing biofuels such as bioethanol or biobutanol. In this study, birch (Betula pendula) chips were used in fast pyrolysis to acquire bio-oil. This bio-oil was further hydrolyzed in pressurized reactor Parr 4554 to produce a carbohydrate rich feedstock. Hydrolysis conditions were optimized. Several conditions - three different temperatures (111, 121, 131 °C) and four different sulfuric acid concentrations (0.05, 0.1, 0.2, 0.5 M) were tested. The optimal conditions were 121 °C with 0.2 M sulfuric acid as a catalyst that allowed to acquire a solution with the total glucose concentration being 6.6% that can be further used as a feedstock for biofuel acquiring.
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Reports on the topic "Biofuel (Biomass) Energy"

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Pullammanappallil, Pratap, Haim Kalman, and Jennifer Curtis. Investigation of particulate flow behavior in a continuous, high solids, leach-bed biogasification system. United States Department of Agriculture, January 2015. http://dx.doi.org/10.32747/2015.7600038.bard.

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Recent concerns regarding global warming and energy security have accelerated research and developmental efforts to produce biofuels from agricultural and forestry residues, and energy crops. Anaerobic digestion is a promising process for producing biogas-biofuel from biomass feedstocks. However, there is a need for new reactor designs and operating considerations to process fibrous biomass feedstocks. In this research project, the multiphase flow behavior of biomass particles was investigated. The objective was accomplished through both simulation and experimentation. The simulations included both particle-level and bulk flow simulations. Successful computational fluid dynamics (CFD) simulation of multiphase flow in the digester is dependent on the accuracy of constitutive models which describe (1) the particle phase stress due to particle interactions, (2) the particle phase dissipation due to inelastic interactions between particles and (3) the drag force between the fibres and the digester fluid. Discrete Element Method (DEM) simulations of Homogeneous Cooling Systems (HCS) were used to develop a particle phase dissipation rate model for non-spherical particle systems that was incorporated in a two-fluid CFDmultiphase flow model framework. Two types of frictionless, elongated particle models were compared in the HCS simulations: glued-sphere and true cylinder. A new model for drag for elongated fibres was developed which depends on Reynolds number, solids fraction, and fibre aspect ratio. Schulze shear test results could be used to calibrate particle-particle friction for DEM simulations. Several experimental measurements were taken for biomass particles like olive pulp, orange peels, wheat straw, semolina, and wheat grains. Using a compression tester, the breakage force, breakage energy, yield force, elastic stiffness and Young’s modulus were measured. Measurements were made in a shear tester to determine unconfined yield stress, major principal stress, effective angle of internal friction and internal friction angle. A liquid fludized bed system was used to determine critical velocity of fluidization for these materials. Transport measurements for pneumatic conveying were also assessed. Anaerobic digestion experiments were conducted using orange peel waste, olive pulp and wheat straw. Orange peel waste and olive pulp could be anaerobically digested to produce high methane yields. Wheat straw was not digestible. In a packed bed reactor, anaerobic digestion was not initiated above bulk densities of 100 kg/m³ for peel waste and 75 kg/m³ for olive pulp. Interestingly, after the digestion has been initiated and balanced methanogenesis established, the decomposing biomass could be packed to higher densities and successfully digested. These observations provided useful insights for high throughput reactor designs. Another outcome from this project was the development of low cost devices to measure methane content of biogas for off-line (US$37), field (US$50), and online (US$107) applications.
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Akasha, Heba, Omid Ghaffarpasand, and Francis Pope. Climate Change and Air Pollution. Institute of Development Studies (IDS), January 2021. http://dx.doi.org/10.19088/k4d.2021.071.

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This rapid literature review explores the interactions between climate change and air pollution, with a focus on human health impacts. In particular, the report explores potential synergies in tackling climate change and air pollution together. The impacts and implications of the transition from a carbon-intensive economy upon air quality and consequently human health are examined. Discussing climate change without air pollution can lead to risks. For example, strategies that focus on electrification and transition to renewable energy achieve maximum health and air quality benefits compared to strategies that focus mainly on combustible renewable fuels (biofuel and biomass) with some electrification. Addressing climate change necessitates a shift towards a new low carbon era. This involves stringent and innovative changes in behaviour, technology, and policy. There are distinct benefits of considering climate change and air pollution together. Many of the processes that cause climate change also cause air pollution, and hence reductions in these processes will generate cleaner air and less global warming. Politically, the consideration of the two issues in tandem can be beneficial because of the time-inconsistency problems of climate change. Air pollution improvements can offer politicians victories, on a useful timescale, to help in their aims of reversing climate change. By coupling air pollution and air pollution agendas together, it will increase the media and political attention both environmental causes receive. Policies should involve the integration of climate change, air quality, and health benefits to create win-win situations. The success of the strategies requires financial and technical capacity building, commitment, transparency, and multidisciplinary collaboration, including governance stakeholders at multiple levels, in both a top-down and bottom-up manner.
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Peters, N. Kent. U.S. Department of Energy Basic Research Opportunities in Genomic Science to Advance the Production of Biofuels and Bioproducts from Plant Biomass: White Paper. Office of Scientific and Technical Information (OSTI), June 2015. http://dx.doi.org/10.2172/1616686.

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Wu, M., Y. Wu, and M. Wang. Mobility chains analysis of technologies for passenger cars and light duty vehicles fueled with biofuels : application of the Greet model to project the role of biomass in America's energy future (RBAEF) project. Office of Scientific and Technical Information (OSTI), January 2008. http://dx.doi.org/10.2172/925385.

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