Thematische Bibliographien / Bioeconomía circular

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Auswahl der wissenschaftlichen Literatur zum Thema „Bioeconomía circular“

Autor: Grafiati

Veröffentlicht am 30. Juni 2021

Zuletzt aktualisiert am 17. Februar 2022

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Zeitschriftenartikel zum Thema "Bioeconomía circular"

Zúñiga Zapata, Ana Cristina, Eduardo Arturo Cabezas Aguilar und Elkin Olaguer Pérez Sánchez. „La Bioeconomía en el Mundo Moderno: una revisión de literatura desde los 5 continentes“. Pensamiento Americano 11, Nr. 22 (23.08.2019): 230–46. http://dx.doi.org/10.21803/pensam.v11i21-1.278.

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El artículo hace un recorrido por los países del mundo que han documentado y puesto a circular información acerca de la Bioeconomía y han hecho definiciones explicitas de políticas o estrategias, y además han establecido lineamientos para su desarrollo. Se entiende la Bioeconomía como la gestión eficiente y sostenible de la biodiversidad para generar nuevos productos, procesos y servicios con valor agregado, evitando el uso de los recursos naturales no renovables con el fin de promover la innovación tecnológica, desarrollar empleos cualificados y mejorar la calidad de vida de las comunidades en cada una de las localidades y de los países en general. Para este recorrido se hizo una revisión de literatura en bases de datos. Como resultado se presenta a la comunidad académica un panorama de la orientación que se está dando a la bioeconomía en los diferentes países del mundo.

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Chafla-Martínez, Pablo, und Max Lascano-Vaca. „Entendiendo la economía circular desde una visión ecuatoriana y latinoamericana“. CIENCIA UNEMI 14, Nr. 36 (05.05.2021): 73–86. http://dx.doi.org/10.29076/issn.2528-7737vol14iss36.2021pp73-86p.

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Esta investigación pretende entender a la Economía Circular (EC) dentro del contexto y visión de Ecuador, así como otros países latinoamericanos que tienen estructuras económicas y culturales singulares, intentando reforzar con elementos propios un proceso de desarrollo sostenible de largo plazo que podría venir de la mano de una aplicación real de los principios de la EC. La ausencia en la mayoría de las definiciones propuestas de una vinculación clara entre el concepto de EC, con el desarrollo sostenible y la también reducida articulación de las propuestas de la EC con modelos económicos que analicen la conducta de los consumidores y las firmas, hacen aún más necesario el reforzamiento y consolidación del entendimiento de la EC con los aportes que en temas de sostenibilidad y modelación económica se puede dar desde una visión ecuatoriana y Latinoamericana. La incorporación de los principios de la bioeconomía circular y la economía del comportamiento pueden aportar luces al mejor entendimiento de la EC en estos países, dando mayor cuerpo a la idea de sostenibilidad. La metodología de investigación utilizada en este trabajo es de tipo cualitativa con la aplicación de un método exploratorio descriptivo con un enfoque deductivo.

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Fedyna, Svitlana M., Bohdan L. Kjvalov und Vitaliy M. Ignatenko. „Bioeconomics: the Essence of the Concept, Strategies, Status and Prospects of Development of Entrepreneurial Forms in Ukraine“. Mechanism of an Economic Regulation, Nr. 3 (2019): 16–27. http://dx.doi.org/10.21272/mer.2019.85.02.

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The paper analyzes various approaches to defining the definition of "bioeconomy", clarifying its essence, spheres of influence (field of application), its technological basis (biotechnology). It was determined that the bioeconomy is closely related to the circular economy, the nature of the circular economy, its main differences from the linear economy and the economics of processing have been clarified. It also paid attention to bioeconomic strategies adopted in different countries, identified the main directions of development of bioeconomies of these countries, reviewed the European Union program documents on bioeconomic issues, as well as major funds, international associations, forums operating in the bioeconomic sphere and unite stakeholders. The total volume of bioeconomy in Europe is analyzed (the share of bioeconomy and its percentage in individual sectors of economy is broken down by the share of bioeconomic income for each of the considered sectors and the share of employment in the bioeconomy sector), the main tasks of bioeconomic growth in Europe are determined. The Sustainable Development Goals have been identified and their achievements are related to bioeconomy in one way or another. The bioeconomy development rating based on the Global Biotechnology and Innovation Index, based on performance indicators, intellectual property rights, intensity, enterprise support, education and training, research and development funding, and policy, and policy, Ukraine is ranked in this rating by each indicator. The main economic sectors in Ukraine that use biotechnology are identified. Ukraine's bioeconomic strategy has not yet been formulated, in view of this it has identified the main obstacles to the development of the bioeconomy in Ukraine and directions that need to be developed Key words: bioeconomics, biotechnology, circular economy, “biologization” of the economy, sustainable development.

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Yaremova, Maryna I. „Terminological Framework for the Study of Circular Bioeconomy“. Scientific Bulletin of Mukachevo State University. Series «Economics» 8, Nr. 2 (24.06.2021): 108–16. http://dx.doi.org/10.52566/msu-econ.8(2).2021.108-116.

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In the context of increasing global environmental challenges associated with anthropogenic destructive impact on the environment, the bioeconomic direction of sustainable development in combination with a closed production cycle becomes relevant, the development of which would help to overcome the imbalance of the ecological and economic system and minimise the burden on the environment. Therefore, the purpose of this study is to comprehensively consider the prerequisites for the establishment of a framework of categories for combining green concepts of sustainable development, in particular, to substantiate the theoretical and methodological foundations for interpreting the fundamental features of circular bioeconomy to form a specific vision of the issue. The methodological basis of the study is general scientific and special theoretical and empirical methods, in particular inductive and deductive, heuristic method, graphic, analysis and synthesis, etc. At the empirical level, descriptive, comparative, and observational approaches are used. The theoretical level covers the historical, abstract-logical, hypothetical, formalisation method as a manifestation of logical thinking and theoretical generalisation for formulating the results of the study. This study systematises the ideas of leading scientists on the positioning of circular economy and bioeconomy, highlights similarities and differences in the process of combining concepts, identifies fundamental generic and specific features, establishes complementary relationships to generate the author's position and formulate a fundamental vision of the problems of circular bioeconomy. The practical significance of the study is conditioned by scientific substantiation of the terminological platform of the problems of circular bioeconomy. Further research is aimed at developing criteria for regulating the bioeconomic system with subsequent evaluation of results

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Feleke, Shiferaw, Steven Michael Cole, Haruna Sekabira, Rousseau Djouaka und Victor Manyong. „Circular Bioeconomy Research for Development in Sub-Saharan Africa: Innovations, Gaps, and Actions“. Sustainability 13, Nr. 4 (11.02.2021): 1926. http://dx.doi.org/10.3390/su13041926.

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The International Institute of Tropical Agriculture (IITA) has applied the concept of ‘circular bioeconomy’ to design solutions to address the degradation of natural resources, nutrient-depleted farming systems, hunger, and poverty in sub-Saharan Africa (SSA). Over the past decade, IITA has implemented ten circular bioeconomy focused research for development (R4D) interventions in several countries in the region. This article aims to assess the contributions of IITA’s circular bioeconomy focused innovations towards economic, social, and environmental outcomes using the outcome tracking approach, and identify areas for strengthening existing circular bioeconomy R4D interventions using the gap analysis method. Data used for the study came from secondary sources available in the public domain. Results indicate that IITA’s circular bioeconomy interventions led to ten technological innovations (bio-products) that translated into five economic, social, and environmental outcomes, including crop productivity, food security, resource use efficiency, job creation, and reduction in greenhouse gas emissions. Our gap analysis identified eight gaps leading to a portfolio of five actions needed to enhance the role of circular bioeconomy in SSA. The results showcase the utility of integrating a circular bioeconomy approach in R4D work, especially how using such an approach can lead to significant economic, social, and environmental outcomes. The evidence presented can help inform the development of a framework to guide circular bioeconomy R4D at IITA and other research institutes working in SSA. Generating a body of evidence on what works, including the institutional factors that create enabling environments for circular bioeconomy approaches to thrive, is necessary for governments and donors to support circular bioeconomy research that will help solve some of the most pressing challenges in SSA as populations grow and generate more waste, thus exacerbating a changing climate using the linear economy model.

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Kardung, Maximilian, Kutay Cingiz, Ortwin Costenoble, Roel Delahaye, Wim Heijman, Marko Lovrić, Myrna van Leeuwen et al. „Development of the Circular Bioeconomy: Drivers and Indicators“. Sustainability 13, Nr. 1 (05.01.2021): 413. http://dx.doi.org/10.3390/su13010413.

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The EU’s 2018 Bioeconomy Strategy Update and the European Green Deal recently confirmed that the bioeconomy is high on the political agenda in Europe. Here, we propose a conceptual analysis framework for quantifying and analyzing the development of the EU bioeconomy. The bioeconomy has several related concepts (e.g., bio-based economy, green economy, and circular economy) and there are clear synergies between these concepts, especially between the bioeconomy and circular economy concepts. Analyzing the driving factors provides important information for monitoring activities. We first derive the scope of the bioeconomy framework in terms of bioeconomy sectors and products to be involved, the needed geographical coverage and resolution, and time period. Furthermore, we outline a set of indicators linked to the objectives of the EU’s bioeconomy strategy. In our framework, measuring developments will, in particular, focus on the bio-based sectors within the bioeconomy as biomass and food production is already monitored. The selected indicators commit to the EU Bioeconomy Strategy objectives and conform with findings from previous studies and stakeholder consultation. Additionally, several new indicators have been suggested and they are related to measuring the impact of changes in supply, demand drivers, resource availability, and policies on sustainability goals.

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Duque-Acevedo, Mónica, Luis Jesús Belmonte-Ureña, Natalia Yakovleva und Francisco Camacho-Ferre. „Analysis of the Circular Economic Production Models and Their Approach in Agriculture and Agricultural Waste Biomass Management“. International Journal of Environmental Research and Public Health 17, Nr. 24 (20.12.2020): 9549. http://dx.doi.org/10.3390/ijerph17249549.

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As of now, circular economic production models of the circular economy (CEPMs), which include circular economy, bioeconomy, and circular bioeconomy, are among the main tools characterizing development policies in different countries. During the last five years, policies and strategies regarding CEPMs have promoted and contributed to the development of research on this topic. The evolution and most relevant aspects of the three CEPMs previously mentioned have been analyzed from a sample of 2190 scientific publications obtained from the Scopus database. Bibliometric analysis has been used to evaluate the approach of these models in agriculture and to introduce the ways in which they address the management of agricultural waste biomass (AWB). Results show that the circular economy is the most studied and prioritized model in China and most European countries, with the UK leading the way. Germany leads in topics related to the bioeconomy. The management policies and strategies of the circular bioeconomy are key to promoting research focused on AWB valorization since bioenergy and/or biofuel production continue to be a priority.

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Yaremova, Maryna, Liudmyla Tarasovych, Nataliia Kravchuk und Olena Kilnitska. „The evolution of Сircular Bioeconomy: a bibliometric review“. E3S Web of Conferences 255 (2021): 01051. http://dx.doi.org/10.1051/e3sconf/202125501051.

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The aim of the article is a theoretical and methodological substantiation of the evolutionary preconditions for the formation and development of a circular bioeconomy on the basis of a bibliometric analysis of literature sources. Global problems of humanity regarding fossil fuels scarcity, environmental pollution and rapid climate change have initiated emerging a bioeconomy approach of society development focused on producing food and non-food goods based on renewable biological resources. Scientists and experts’ intensification during the last decades contributed to increase in scientific works dedicated to modelling circular bioeconomy, which promoted bibliometric analysis of literature sources in several areas, including type of publication, leading journals, field of study, author, country of origin. Special attention is paid to establishing keywords complementary interconnections of circular and bioeconomy concepts and their role towards integrative paradigm. The given study allowed to identify main periods of circular bioeconomy evolution in scientific field, in particular, its emergence, transformation and advanced evolution. Recently, the conception has been prospering, which is indicated by scientific publications proliferating, profound research and introduction of innovative developments in practice.

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Venkata Mohan, S., Sunita Varjani, Deepak Pant, Michael Sauer und Jo-Shu Chang. „Circular bioeconomy approaches for sustainability“. Bioresource Technology 318 (Dezember 2020): 124084. http://dx.doi.org/10.1016/j.biortech.2020.124084.

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De Oliveira Faria, Emília, und Armando De Azevedo Caldeira Pires. „ECONOMIA CIRCULAR E BIOECONOMIA: UM NOVO CAMINHO PARA A SUSTENTABILIDADE?“ SINERGIA - Revista do Instituto de Ciências Econômicas, Administrativas e Contábeis 25, Nr. 1 (09.12.2020): 79–88. http://dx.doi.org/10.17648/2236-7608-v25n1-11530.

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Diante do consenso sobre a urgência das questões ambientais e a crescente preocupação sobre a escassez dos recursos naturais, novos modelos de desenvolvimento têm sido propostos. Considerando a contribuição potencial das abordagens de Economia Circular (EC) e Bioeconomia para esse contexto, este estudo buscou responder a seguinte questão de pesquisa: como os modelos de EC e Bioeconomia se relacionam na literatura? A partir dessa indagação foi desenvolvida uma revisão sistemática da literatura com o objetivo de analisar: (i) como as pesquisas abordam essa relação; (ii) quais são as características desses estudos; (iii) quais os aspectos metodológicos mais recorrentes; (iv) quais são as principais iniciativas e programas existentes; e (v) quais são os principais atores. Este estudo permitiu avançar no conhecimento sobre a EC e a Bioeconomia na medida em que os principais resultados demonstraram o aumento do interesse dos pesquisadores na temática, apontaram para a complementaridade das abordagens a partir da rede de palavras-chave gerada, elencaram as principais iniciativas de EC e Bioeconomia que tem sido norteadoras das ações de diversos países e apontaram para a necessidade de maior cooperação entre a comunidade científica, as empresas privadas, o governo e a sociedade para que se estabeleça uma política ambiental eficaz.

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Dissertationen zum Thema "Bioeconomía circular"

Figueroa, López Kelly Johana. „Biodegradable Mono and Multilayer Materials with Antimicrobial Capacity Based on Circular Bioeconomy of Application Interest in Food Packaging“. Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/168439.

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[ES] El envasado activo es una de las tecnologías emergentes más relevantes de la industria alimentaria. Su objetivo es interactuar con el espacio de cabeza del envase para controlar las reacciones enzimáticas, químicas, físicas y microbiológicas que deterioran los alimentos por medio de la absorción o liberación. La actual tesis doctoral trata originalmente del desarrollo y la caracterización de estructuras de envasado de alimentos activas y biodegradables mono y multicapa basadas en materiales de polihidroxialcanoatos (PHA) electroestirados derivados de estrategias de bioeconomía circular. Con el fin de dotar con propiedades activas los materiales de envasado, se incorporaron a los PHA aceites esenciales, extractos naturales, nanopartículas metálicas o combinaciones de los mismos mediante electrospinning de soluciones. Las fibras resultantes de PHA por electrospinning se recocieron para obtener monocapas continuas que, posteriormente, se combinaron con películas de polímeros biodegradables fundidas, sopladas o fundidas con disolventes y/o con revestimientos de barrera de nanocristales de celulosa bacteriana (CNC) para desarrollar novedosos sistemas multicapa con propiedades antimicrobianas y de barrera. Estos sistemas multicapas basados en PHA presentaron un buen rendimiento térmico y mecánico, así como altas propiedades de barrera a los vapores y gases. Las películas activas también mostraron mejores propiedades antioxidantes y una alta actividad antimicrobiana contra las bacterias transmitidas por los alimentos tanto en sistemas abiertos como, lo que es más importante, en sistemas cerrados, que pueden imitar las condiciones de envasado en casos reales. Por lo tanto, los materiales y prototipos desarrollados en este trabajo pueden ser muy prometedores como materiales de envasado, para constituir bandejas, flow packs y tapas, siendo completamente renovables y también biodegradables, con una potencial capacidad de aumentar tanto la calidad, como la seguridad de los productos alimenticios en el nuevo contexto de la Bioeconomía Circular.
[CA] L'envasament actiu és una de les tecnologies emergents més rellevants de la indústria alimentària. El seu objectiu és interactuar amb l'espai de cap de l'envàs per controlar les reaccions enzimàtiques, químiques, físiques i microbiològiques que deterioren els aliments per mitjà de l'absorció o alliberament. L'actual tesi doctoral tracta originalment de el desenvolupament i la caracterització d'estructures d'envasat d'aliments actives i biodegradables mono i multicapa basades en materials de polihidroxialcanoatos (PHA) electroestirados derivats d'estratègies de bioeconomia circular. Per tal de dotar amb propietats actives dels materials d'envasat, es van incorporar als PHA olis essencials, extractes naturals, nanopartícules metàl·liques o combinacions dels mateixos mitjançant electrospinning de solucions. Les fibres resultants de PHA per electrospinning es recocieron per obtenir monocapes contínues que, posteriorment, es van combinar amb pel·lícules de polímers biodegradables foses, bufades o foses amb dissolvents i / o amb revestiments de barrera de nanocristalls de cel·lulosa bacteriana (CNC) per desenvolupar nous sistemes multicapa amb propietats antimicrobianes i de barrera. Aquests sistemes multicapes basats en PHA van presentar un bon rendiment tèrmic i mecànic, així com altes propietats de barrera als vapors i gasos. Les pel·lícules actives també van mostrar millors propietats antioxidants i una alta activitat antimicrobiana contra bacteris transmeses pels aliments tant en sistemes oberts com, el que és més important, en sistemes tancats, que poden imitar les condicions d'envasament en casos reals. Per tant, els materials i prototips desenvolupats poden ser molt prometedors com materials d'envasat, per constituir safates, flow packs i tapes, sent completament renovables i també biodegradables, amb la capacitat potencial final d'augmentar tant la qualitat, com la seguretat de els productes alimentaris en el nou context de l'Bioeconomia Circular.
[EN] Active packaging is one of the most relevant emerging technologies in the food industry. It aims to interact with the packaging headspace to control the enzymatic, chemical, physical, and microbiological reactions that deteriorate food through scavenging or releasing means. The current PhD thesis originally deals with the development and characterization of mono and multilayer active and biodegradable food packaging structures based on electrospun polyhydroxyalkanoates (PHA) materials derived from circular bioeconomy strategies. In order to provide the packaging materials with active properties, essential oils, natural extracts, metallic nanoparticles or combinations thereof were incorporated into PHA by solution electrospinning. The resultant electrospun PHA mats were annealed to obtain continuous monolayers that were, thereafter, combined with cast-extruded, blown or solvent-casted biodegradable polymer films and/or barrier coatings of bacterial cellulose nanocrystals (CNCs) to develop novel multilayer systems with antimicrobial and barrier properties. These PHA-based multilayers systems presented good thermal and mechanical performance as well as high barrier properties to vapors and gases. The active films also showed improved antioxidant properties and high antimicrobial activity against food-borne bacteria in both open and, more importantly, closed systems, which can mimic real case use packaging conditions. Therefore, the here-developed materials and prototypes can be very promising as packaging materials, to constitute trays, flow packs and lids, being completely renewable and also biodegradable, with the final potential capacity to increase both quality and safety of food products in the new Circular Bioeconomy context.
Al programa Santiago Grisolía de la Generalitat Valenciana (0001426013N810001A201) por concederme la beca Predoctoral. Al proyecto EU H2020 YPACK “High Performance Polyhydroxyalkanoates Based Packaging to Minimise Food Waste” (Grant agreement 773872) de la Comisión Europea. Al proyecto RTI2018-097249-B-C21 financiado por el Ministerio de Ciencia e Innovación de España. A la Unidad Asociada IATA-UJI en “Polymer Technology”.
Figueroa López, KJ. (2021). Biodegradable Mono and Multilayer Materials with Antimicrobial Capacity Based on Circular Bioeconomy of Application Interest in Food Packaging [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/168439
TESIS

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Hagman, Linda. „How do biogas solutions influence the sustainability of bio-based industrial systems?“ Licentiate thesis, Linköpings universitet, Industriell miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-152878.

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Biomass is a valuable and limited resource that should be used efficiently. The potential of replacing fossil-based products with bio-based ones produced in biobased industrial systems is huge. One important aim of increasing the share of biobased products is to improve the sustainability of systems for production and consumption. Therefore, it is important to evaluate what solutions are available to improve the sustainability performance of bio-based industrial systems, and if they also bring negative impacts. The thesis focuses on assessing the role of biogas solutions in developing sustainable bio-based systems. Such assessments are often quite narrow in their scope and focus on quantitative environmental or economic aspects. This thesis aims at also including feasibility related aspects involving the contextual conditions that are assessed more qualitatively. Biogas solutions are identified as a versatile approach to treat organic materials which are generated in large volumes in bio-based industrial systems. The results show that biogas solutions in bio-based industrial systems (i) improve circular flows of energy and nutrients, (ii) are especially viable alternatives when the quality of the by-product streams become poorer, and (iii) may improve the profitability of the bio-based industrial system. To perform better assessments of these systems, it seems valuable to broaden the set of indicators assessed and include feasibility-related indicators, preferably through the involvement of relevant stakeholders as they contribute with different perspectives and can identify aspects that influence the sustainability in different areas. Future studies could benefit from applying those broader assessments on more cases to build on a more generalisable knowledge base.

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Rosén, Therese. „RosaNovum : En studie om att skapa materialacceptans genom en Material driven designprocess för en cirkulär ekonomi“. Thesis, Malmö universitet, Institutionen för konst, kultur och kommunikation (K3), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-44451.

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Cirkulär ekonomi bygger på principerna om att designa bort avfall, där avfall ses som en råvaruresurs. För att övergå till ett fossilfritt samhälle kommer material från förnyelsebara råvaror att behövas. Biobaserade material har oftast inte samma tekniska egenskaper och estetiska uttryck som befintliga material, biobaserade DIY-material utvecklade från okonventionell råvaruresurs kan väcka starka positiva och negativa reaktioner hos användarna. Studien har undersökt hur man i en Material driven designprocess genom form och kultur kan skapa acceptans för ett biobaserat DIY material från en okonventionell råvaruresurs. Studiens huvudsyfte har varit att bidra med ny kunskap för att underlätta för designers i en Material Driven Designprocess, att identifiera användningsområden och produktform som kan stärka materialacceptans hos användare. Fördjupningsområden i studien är teorier för Hållbar utveckling, Cirkulär ekonomi, Bioekonomi, Material Driven Design for Sustainability och Culture Sensitive Design. Huvudmetoden i studien har varit Material Driven design, vilket innefattas av ett flertal designmetoder. Studien visar på att den kulturella koppling mellan användarna och råvarans ursprung har i denna studie haft en signifikant betydelse för material acceptansen genom att skapa mening för användaren och att materialet primärt behöver applicerat i en produkt på ett sådant sätt att användaren känner tillit till dess prestanda. Resultatet presenteras i form av ett förslag på en användare studie och en produktprototyp.
A circular economy is based on the principles of designing away waste, where waste is seen as a raw material resource. To move to a fossil-free society, materials from renewable raw materials will be needed. Bio-based materials usually do not have the same technical characteristics and aesthetic expressions as existing materials, bio-based DIY materials developed from unconventional raw material resources can provoke strong positive and negative reactions among users. This study has investigated how a Material-driven design process through form and culture can create acceptance for a bio-based DIY material from an unconventional raw material resource. The study's main purpose has been to contribute with new knowledge to make it easier for designers in a Material Driven Design process to identify uses and product forms that can strengthen material acceptance among users. In-depth areas in the study are theories for Sustainable Development, Circular Economy, Bioeconomy, Material Driven Design for Sustainability and Culture Sensitive Design. The main method of the study has been Material Driven Design, which is covered by several design methods. The study shows that the cultural link between the users and the origin of the raw material has had a significant impact on material acceptance by creating meaning for the user and that the material primarily needs to be applied in a product in such a way that the user has confidence in its performance. The results are presented in the form of a proposal for a user study and a product concept.

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Bian, Bin. „Carbon Dioxide Valorization through Microbial Electrosynthesis in the Context of Circular Bioeconomy“. Diss., 2020. http://hdl.handle.net/10754/666115.

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Microbial electrosynthesis (MES) has recently emerged as a novel biotechnology platform for value-added product generation from waste CO2 stream. Integrating MES technology with renewable energy sources for both CO2 valorization and renewable energy storage is regarded as one type of artificial photosynthesis and a perfect example of circular bioeconomy. However, several challenges remain to be addressed to scale-up MES as a feasible process for chemical production, which include enhanced production rate, reduced energy consumption and excellent resistance to external fluctuations. To fill these knowledge gaps, different in-depth approaches were proposed in this dissertation by optimizing the cathode architecture, CO2 flow rates and utilizing efficient photoelectrode to improve MES performance and stability. A novel cathode design, made of conductive hollow fiber membrane, was developed in this dissertation to improve CO2 availability at MES cathode surface via direct CO2 delivery to chemolithoautotrophs through the pores in the hollow fibers. By modifying the hollow fiber surface with carbon nanotubes (CNTs), higher bioproduct formation was achieved with excellent faradaic efficiencies, which could be attributed to the improved surface area for bacterial adhesion and the reduction of cathodic electron transfer resistance. Since CO2 flow rate from industrial facilities typically varies over time, this hollow-fiber architecture was also applied to test the resistance of MES systems to CO2 flow rate fluctuation. Stepwise increase of CO2 flow rates from 0.3 ml/min to 10 ml/min was tested and the effect of CO2 flow rate fluctuations was evaluated in terms of biochemical generation and microbial community. MES was further integrated with renewable energy supply for both energy storage and CO2 transformation into biofuels and biochemicals. Stable MES photoanode, based on molybdenum-doped bismuth vanadate deposited on fluorine-doped tin oxide glass (FTO/BiVO4/Mo), was prepared for efficient solar energy harvesting and overpotential reduction for oxygen evolution reaction (OER), which contributed to one of the highest solar-to-biochemical conversion efficiencies ever reported for photo-assisted MES systems. The applied nature of this dissertation with fundamental insights is of great importance to bring MES one step closer to full-scale applications and enable MES technology to be economically more viable for renewable energy storage and CO2 valorization.

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Martins, Cláudia Filipa Duarte. „Purificação e fracionamento de polifenóis contidos em subprodutos de amêndoa com adsorventes molecularmente impressos“. Master's thesis, 2019. http://hdl.handle.net/10198/23256.

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Neste trabalho foi realizada a avaliação de adsorventes molecularmente impressos para a concentração, fracionamento e purificação de polifenóis contidos em extratos de subprodutos da amêndoa. Foram considerados doze materiais sintetizados em condições diferentes no que respeita à presença de moléculas molde de polifenóis, composição química e técnica de polimerização (precipitação e suspensão inversa). Os testes realizados incluíram também resinas comerciais geralmente utilizadas para recuperar polifenóis presentes em extratos vegetais, nomeadamente os adsorventes DAX-8, XAD4 e XAD7HP. Foram produzidos diferentes extratos de subprodutos de amêndoa, nomeadamente extratos de casca de amêndoa (shell) em etanol/água 80/20, acetonitrilo/dimetilformamida 50/50 e acetato de etilo/etanol 50/50, extratos de casca verde de amêndoa (hull) em etanol/água 80/20 e um extrato aquoso do branqueamento da amêndoa (blanching). Procurou-se assim explorar diferentes possibilidades para a valorização dos subprodutos através da variação do perfil dos extratos em compostos fenólicos. Realizaram-se testes de retenção dos polifenóis presentes nos diversos extratos considerando múltiplos adsorventes. Foi demonstrada a elevada capacidade dos materiais contendo o monómero funcional 4-vinilpiridina para reter polifenóis presentes em extratos de natureza muito diferente. Este facto decorre da forte interação entre os grupos piridil presentes nessas redes de polímero e as moléculas de alvo. Os resultados obtidos mostram que os adsorventes baseados 4-vinilpiridina podem ser usados para projetar novos processos de adsorção/desorção visando a valorização eficiente e sustentável dos polifenóis presentes em subprodutos de amêndoa. Foi estudada a dinâmica de adsorção de polifenóis considerando processos fechados e processos contínuos. Estes estudos visaram avaliar em pequena escala a potencialidade dos adsorventes para serem considerados em processos industriais de valorização dos subprodutos de amêndoa. Devido ao bom desempenho combinado em diferentes condições de operação testadas, nestes estudos foi usado como referência um polímero molecularmente impresso com rutina como polifenol molde e obtido por polimerização em suspensão inversa. Através de adsorção/desorção demonstrou-se a possibilidade efetiva de concentrar, fracionar e realizar a mudança de solvente para polifenóis presentes em extratos de subprodutos de amêndoa com obtenção de uma fração enriquecida em isoramnetina-3-O-rutinose.
This work was devoted to the assessment of molecularly imprinted adsorbents for the concentration, fractionation and purification of polyphenols contained in extracts from almond by-products. Twelve materials synthesized in different conditions concerning the presence of template polyphenol molecules, chemical composition and polymerization technique (precipitation and inverse suspension) were considered within this purpose. Moreover, commercial synthetic resins often used to recover polyphenols from plant extracts were also included in the assessment work, namely the DAX-8, XAD4 and XAD7HP materials. Different extracts from almond by-products were produced, specifically almond shell extracts in ethanol/water 80/20, acetonitrile/dimethylformamide 50/50 and ethyl acetate/ethanol 50/50, almond hull extracts in ethanol/water 80/20 and the aqueous extract resulting from the almond blanching process. In this way, different possibilities for the valorization of almond by-products were explored through the change of the phenolic profile of the extracts. The retention of the polyphenols present in the diverse extracts was evaluated considering multiple adsorbents. It was demonstrated the high capacity of the materials containing the functional monomer 4-vinylpyridine for the retention of polyphenols contained in extracts of very different natures. This outcome is a consequence of the strong interaction between the pyridyl groups present in these polymer networks and the target molecules. The results obtained shown that the adsorbents based on 4-vinylpyridine can be used to design new adsorption/desorption processes aiming at the efficient and sustainable valorization of the polyphenols contained in almond by-products. The dynamics of adsorption of polyphenols was studied considering batch and continuous processes. These runs aimed at the small scale evaluation of the potentialities of the adsorbents to be used in industrial processes for the valorization of almond by-products. Due to the good combined performance evidenced at different working conditions, a molecularly imprinted polymer, synthesized with rutin as template polyphenol and using inverse suspension polymerization, was considered as reference. Using sorption/desorption, was demonstrated the effective possibility for concentration, fractionation and solvent change for polyphenols contained in almond by-products and a fraction enriched with isorhamnetin-3-O-rutinoside was obtained.

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Anselmo, Hugo Ferreira. „Preparation of Encapsulated Add-Value Bioactive Phenolic Compounds by Supercritical CO2-Assisted Spray Drying“. Master's thesis, 2020. http://hdl.handle.net/10362/111188.

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Every year the vine-pruning activity produces a large amount of residues of which 90% correspond to vine shoot residues. These are a rich source of natural antioxidants, mostly phenolic compounds, which, when properly extracted, can give rise to add-value products. The phenolic compounds have typically very low bioavailability, due to their poor solubility in aqueous media and high susceptibility to thermal and oxidative degradation with consequent loss of bioactivity. The encapsulation of these compounds in suitable excipients can have a positive impact in their bioavailability and bioactivity. Previous data on vine shoot extraction have identified gallic acid (GA) and resveratrol (RSV) as main phenolic compounds in the extracts. GA is found in high concentrations and RSV has wide therapeutic and cosmetic applications. In this work, model dry powder formulations (DPFs) of GA and RSV using hydroxypropyl cellulose (HPC) as excipient were developed using a green atomization technology, Supercritical CO2-Assisted Spray Drying (SASD). The content of solids (maintaining constant the percentage of bioactive compound) and ethanol volume in the solution to be atomized, were studied using a 32 full factorial Design of Experiments (DoE) approach concerning the process yield, particle size, span and encapsulation efficiency. The DPFs were also characterized in terms of particle morphology, specific surface area, crystallinity and moisture content. Antioxidant activity tests as well as in vitro release studies were also performed to the DPFs. Amorphous powders were obtained in yields above 60% and encapsulation efficiencies up to 100%, showing a good performance of the process. The SASD has proven to be an efficient encapsulation technique for the phenolic compounds being able to preserve their antioxidant activity with average EC50 values of 22.8 µg/mL for GA-DPFs and 149.4 µg/mL for RSV-DPFs assessed by the scavenging capacity for the DPPH radical.

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Bücher zum Thema "Bioeconomía circular"

Biomass, Biofuels, Biochemical: Circular Bioeconomy - Current Developments and Future Outlook. Elsevier, 2021.

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Buchteile zum Thema "Bioeconomía circular"

Viaggi, Davide. „Exploring the Economics of the Circular Bioeconomy“. In Sustainable Bioeconomy, 1–10. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7321-7_1.

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Berg, Silvan, Manfred Kircher, Nina Preschitschek und Stefanie Bröring. „Bioeconomy as a Circular and Integrated System“. In Bioeconomy for Beginners, 139–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60390-1_7.

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Rafoss, Trond, und Udaya Sekhar Nagothu. „Sustainable biomass production from oceans and the potential for circular bioeconomy“. In The Bioeconomy Approach, 24–44. New York, NY : Routledge, 2020.: Routledge, 2020. http://dx.doi.org/10.4324/9780429320651-2.

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Iversen, Eric, Marco Capasso und Kristoffer Rørstad. „Actors and innovators in the circular bioeconomy“. In From Waste to Value, 211–30. Abingdon, Oxon : New York, NY : Routledge, 2019. | Series: Routledge studies in waste management and policy: Routledge, 2019. http://dx.doi.org/10.4324/9780429460289-11.

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Fernandes, Jose A., und Karl-Johan Reite. „Conclusions and Future Vision on Big Data in Pelagic Fisheries Sustainability“. In Big Data in Bioeconomy, 411–14. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71069-9_31.

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AbstractThe digitalization of the fisheries sector has been limited. However, in this book, the potential for making the sector more competitive and resilient through higher digitalization has been demonstrated using pelagic fisheries as an example. COVID-19 has recently shown the resilience advantages of having a more digitalized industry that makes larger use of big data and artificial intelligence. Moreover, these technologies can help us to mitigate climate change due to lower emissions and to adapt to climate change-induced changes of species distribution. One of the challenges is the accessibilty of enough cost-effective information. This can be achieved if fishing vessels becme also scientific data gathering platforms in a circular data economy. Then the fishing vessels are both users and providers of environmental data.

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García-Solares, S. M., C. A. Gutiérrez, E. E. Neri-Torres und I. R. Quevedo. „Food Loss and Waste in the Circular Bioeconomy“. In Food Loss and Waste Reduction, 123–43. Boca Raton: Apple Academic Press, 2021. http://dx.doi.org/10.1201/9781003083900-7.

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Cingiz, Kutay, und Justus Wesseler. „Opportunities and the Policy Challenges to the Circular Agri-Food System“. In Palgrave Advances in Bioeconomy: Economics and Policies, 293–318. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-28642-2_16.

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Leal Filho, Walter. „Bioeconomy Meets the Circular Economy: The RESYNTEX and FORCE Projects“. In World Sustainability Series, 567–75. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73028-8_29.

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Järnefelt, Vafa, Anna Tenhunen, Laura Sokka, Pekka Tuominen und Raija Lantto. „Circular Bioeconomy: A Path to Sustainable and Climate-Wise (Material) Economy?“ In Bio#Futures, 73–94. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64969-2_5.

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Ciechanska, Danuta, Joanna Kulczycka, Marta Kutyna-Bakalarska, Olga Janikowska und Stanisław Bielecki. „The Bioeconomy Perspectives in Transformation Towards a Circular Economy in Poland“. In Bio#Futures, 95–117. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64969-2_6.

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Konferenzberichte zum Thema "Bioeconomía circular"

Mari, Massimo, Lia Millucci, Antonio Fardelli und Carla Mazziotti Gomez De Teran. „Circular Bioeconomy Growth to Face the Increasing Industrial Risk“. In Proceedings of the 29th European Safety and Reliability Conference (ESREL). Singapore: Research Publishing Services, 2020. http://dx.doi.org/10.3850/978-981-14-8593-0_5017-cd.

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gouvêa bastos, Bruno, José Carlos de Jesus Lopes, Ana Carolina Nogueira Gonçalves und Kalil Nascimento Neiva. „BIOECONOMIA, ECONOMIA CIRCULAR E AGROINDÚSTRIA 4.0: Proposições para as transições tecnológicas emergentes“. In 59º Congresso da SOBER e 6º EBPC 2021. ,: Even3, 2021. http://dx.doi.org/10.29327/soberebpc2021.341347.

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VITUNSKIENĖ, Vlada, Vilija ALEKNEVIČIENĖ, Neringa RAMANAUSKĖ, Astrida MICEIKIENE, Jonas ČAPLIKAS, Virginija KARGYTĖ, Daiva MAKUTĖNIENĖ und Darius JAZEPČIKAS. „GLOBAL, EUROPEAN AND NATIONAL DRIVERS OF LITHUANIAN BIOECONOMY STRATEGY“. In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.162.

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This paper contributes to the comprehensive approach for sustainable and balanced development of bioeconomy as a cross-cutting economic sector and focuses on the drivers of Lithuanian bioeconomy strategy. Lithuanian bioeconomy strategy development can be motivated by country’s specialization and, compared with other EU member states, strong performance in terms of recent growth in all biomass production and fully bio-based manufacturing sectors. However, Lithuanian bioeconomy strategy depends not only on the current state and trends of its subsectors, but also on the drivers that will be forcing and shaping them in the future. The authors decomposed these drivers into global, European and national. Using content analysis of the EU, OECD and European countries’ legal acts, global drivers such as depletion of natural resources, growing population, increasing environmental pressures and climate change were identified. Applying content analysis of the EU and European countries’ bioeconomy strategies and analysis of case studies of good practices in European countries and regions, the following drivers at European level were identified: common EU bioeconomy policy, strategy and action plan; assurance of biomass availability and sustainability, as well as efficient biomass value chain; the need to strengthen markets and competitiveness of the bioeconomy subsectors; the necessity of close cooperation among all stakeholders, namely politicians, business people, scientists and the public; the need of the development of new technologies and processes, especially industrial biotechnology. The research revealed that the bioeconomy development in Lithuania has been regulated and promoted through certain sectoral policies: agriculture, forestry, fisheries, energy, environment (including waste management), scientific research, innovation and biotechnology development. In the future, the cross-sectoral links and interactions in the Lithuanian bioeconomy will increase due to the scarce biomass, applying the cascading principle in the biomass refinement, transition towards circular economy, and the development and implementation of innovations.

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Neykov, Nikolay, Petar Antov und Viktor Savov. „Circular economy opportunities for economic efficiency improvement in wood-based panel industry“. In 11th International Scientific Conference „Business and Management 2020“. VGTU Technika, 2020. http://dx.doi.org/10.3846/bm.2020.493.

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The enhanced technological possibilities to utilise wood waste and residues in the production of wood-based panels can help towards the transition to a circular, low-carbon bioeconomy. The cascading use of wood resources, defined as “the efficient utilisation of resources by using residues and recycled materials for material use to extend total biomass availability within a given system” is one of the leading principles for achieving this goal. The wood-based panel industry is characterised by significant amounts of waste and residues that present a great volume potential for cascading. The aim of the present study is to define the basic guidelines for cascading use of wood waste from the production of wood-based panels and analyse the economic impact in terms of economic efficiency in line with the circular and bioeconomy principles. Time series analysis of wood waste and raw material flows in the Republic of Bulgaria, economic assessment of the current utilisation of wood waste in the wood-based panel industry along with comparative analysis of the potential utilization methods have been presented. The existing technical and market barriers to the cascading use of wood have also been discussed.

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Temmes, Armi, und Philip Peck. „A circular bioeconomy in a Forest biorefinery: Oxymorons or viable sustainability strategies?“ In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107898.

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Sidiras, Dimitrios. „Modified Biomass for Pollution Cleaning under the Frames of Biorefinery and Sustainable Circular Bioeconomy“. In The 4th World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2018. http://dx.doi.org/10.11159/iccpe18.1.

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Blánquez, P., M. Sarrà, C. Adriansen, T. Kuppens, M. D. Caramihai, A. A. Chirvase, N. Babeanu und N. Radu. „Developing curriculum for education in Sustainable Circular Bioeconomy with Bio-based Products (CYRUS project).“ In 14th Mediterranean Congress of Chemical Engineering (MeCCE14). Grupo Pacífico, 2020. http://dx.doi.org/10.48158/mecce-14.dg.03.04.

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Sidiras, Dimitrios. „Modified Biomass for Pollution Cleaning Under the Frames of Biorefinery and Sustainable Circular Bioeconomy“. In The 4th World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2018. http://dx.doi.org/10.11159/iccpe18.107.

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Tudoran (Niculiță), Valentina Irena, und Elena Condrea. „Risk Management for New Projects in the Context of a Sustainable and Circular Bioeconomy“. In 7th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2021. http://dx.doi.org/10.24818/basiq/2021/07/086.

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Lamas, Giulia, Armando Caldeira-Pires und Emilia Faria. „ENERGY SYSTEMS BASED ON BIOREFINERIES IN THE CONTEXT OF A CIRCULAR BIOECONOMY - A SYSTEMATIC REVIEW OF THE SCIENTIFIC AND TECHNOLOGICAL LITERATURE“. In 25th International Congress of Mechanical Engineering. ABCM, 2019. http://dx.doi.org/10.26678/abcm.cobem2019.cob2019-2399.

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