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Relevant bibliographies by topics / Sewage sludge treatment

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Academic literature on the topic 'Sewage sludge treatment'

Author: Grafiati

Published: 28 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Sewage sludge treatment"

1

Facchini, Francesco, Giovanni Mummolo, and Micaela Vitti. "Scenario Analysis for Selecting Sewage Sludge-to-Energy/Matter Recovery Processes." Energies 14, no. 2 (January 6, 2021): 276. http://dx.doi.org/10.3390/en14020276.

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The sewage sludges are the byproducts of the wastewater treatment. The new perspective of the wastewater value chain points to a sustainable circular economy approach, where the residual solid material produced by sewage sludge treatments is a resource rather than a waste. A sewage sludge treatment system consists of five main phases; each of them can be performed by different alternative processes. Each process is characterized by its capability to recover energy and/or matter. In this paper, a state of the art of the sludge-to-energy and sludge-to-matter treatments is provided. Then, a scenario analysis is developed to identify suitable sewage sludge treatments plants that best fit the quality and flowrate of sewage sludge to be processed while meeting technological and economic constraints. Based on the scientific literature findings and experts’ opinions, the authors identify a set of reference initial scenarios and the corresponding best treatments’ selection for configuring sewage sludge treatment plants. The scenario analysis reveals a useful reference technical framework when circular economy goals are pursued. The results achieved in all scenarios ensure the potential recovery of matter and/or energy from sewage sludges processes.

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Mason, C. A., A. Häner, and G. Hamer. "Aerobic Thermophilic Waste Sludge Treatment." Water Science and Technology 25, no. 1 (January 1, 1992): 113–18. http://dx.doi.org/10.2166/wst.1992.0017.

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The expansion in both industrial and municipal wastewater treatment in recent years has resulted in a major increase in the quantities of by-product sludge produced and has exacerbated problems of waste sludge treatment and/or disposal. The traditional method for waste sewage sludge treatment is anaerobic mesophilic digestion for sludges that are to be disposed of on agricultural land. Other disposal methods for untreated sludges include incineration, an option receiving increased interest, and ocean dumping, an option that is environmentally incompatable and used much less frequently today compared with 10 years ago. Sewage sludge can be considered to be a resource as far as its mineral nutrient composition is concerned. However, this resource cannot be exploited in agriculture because sludges are inevitably contaminated with noxious chemicals that partition into the sludge during either primary or secondary wastewater treatment. In the case sewage sludge, pathogenic and potentially pathogenic organisms are also present unless such contaminants are removed during treatment. Traditional mesophilic treatment under anaerobic conditions does not remove either noxious chemicals such as detergent residues or pathogenic organisms to a satisfactory degree. During the past decade, autothermal aerobic thermophilic pretreatment processes have been introduced as a complementary sludge treatment stage. Such aerobic pretreatment processes allow both the biodegradation of chemicals that are recalcitrant to anaerobic treatment and the thermal inactivation of pathogenic organisms. However, their introduction as a total treatment process for sludges is inhibited by their relatively poor conversion efficiencies as far as mineralization is concerned. In this contribution the biodegradation bacteria under aerobic thermophilic conditions will be described and discussed and concepts for biomass yield coefficient reduction that could enhance aerobic thermophilic sludge treatment process effectiveness will be introduced.

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da Silva, Paulo Henrique Müller, Fabio Poggiani, and Jean Paul Laclau. "Applying Sewage Sludge toEucalyptus grandisPlantations: Effects on Biomass Production and Nutrient Cycling through Litterfall." Applied and Environmental Soil Science 2011 (2011): 1–11. http://dx.doi.org/10.1155/2011/710614.

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In most Brazilian cities sewage sludge is dumped into sanitary landfills, even though its use in forest plantations as a fertilizer and soil conditioner might be an interesting option. Sewage sludge applications might reduce the amounts of mineral fertilizers needed to sustain the productivity on infertile tropical soils. However, sewage sludge must be applied with care to crops to avoid soil and water pollution. The aim of our study was to assess the effects of dry and wet sewage sludges on the growth and nutrient cycling ofEucalyptus grandisplantations established on the most common soil type for Brazilian eucalypt plantations. Biomass production and nutrient cycling were studied over a 36-month period in a complete randomized block design. Four experimental treatments were compared: wet sewage sludge, dry sludge, mineral fertilizer, and no fertilizer applications. The two types of sludges as well as mineral fertilizer increased significantly the biomass ofEucalyptustrees. Wood biomass productions 36 months after planting were similar in the sewage sludge and mineral fertilization treatments (about 80 tons ha−1) and 86% higher than in the control treatment. Sewage sludge application also affected positively leaf litter production and significantly increased nutrient transfer among the components of the ecosystem.

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Rockefeller, Abby A. "Sewers, Sewage Treatment, Sludge: Damage without End." NEW SOLUTIONS: A Journal of Environmental and Occupational Health Policy 12, no. 4 (February 2003): 341–46. http://dx.doi.org/10.2190/qlxd-wq8a-hevr-7k1b.

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It is in the nature of sewering and sewage treatment to compound environmental problems in the processof moving sewage and in attempting to remove from sewage the pollutants it carries. Spreading sewage sludge on land is but the latest in the compounding of environmental damage from sewerage. This practice must be banned and there must be a federal reorientation of all technology dealing with human excreta and the waste materials from industry and society that now are carried away by sewers. The reorientation must center on biologically based on-site pollution prevention and resource recycling technologies mandated through a revised Clean Water Act.

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Meunier, N., R. D. Tyagi, and J. F. Blais. "Traitement acide pour la stabilisation des boues d'épuration." Canadian Journal of Civil Engineering 23, no. 1 (February 1, 1996): 76–85. http://dx.doi.org/10.1139/l96-008.

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Chemical stabilization of sewage sludge is one of the most researched alternative to conventional biological digestion. The present research was therefore dedicated to studying a new acid treatment process for residual sludge from wastewater treatment, both industrial and municipal. This study demonstrated that sludge acidification (pH = 2.0–2.5) with sulphuric acid brings about a very rapid hydrolysis and mineralization of organic matter of the biomass that causes a significant reduction in sludge solids. This simple and efficient process of acidification for a partial digestion of different types of municipal (primary, secondary, and mixed) and industrial (pulp and paper) sludges could be integrated into the actual chain of treatment and stabilization of sewage sludges. Key words: sewage sludge, stabilization, digestion, acid treatment, sulphuric acid.

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Stoll, U., and K. Parameswaran. "Treatment and disposal of domestic sewage sludge and nightsoil sludge for Bangkok." Water Science and Technology 34, no. 11 (December 1, 1996): 209–17. http://dx.doi.org/10.2166/wst.1996.0282.

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In the recent past, treatment and disposal of sewage sludge has become an expensive and environmentally sensitive problem in western countries. It is becoming a growing problem worldwide with its focus on the megacities in the newly developed countries, since sludge production will continue to increase as new sewage treatment plants are built and environmental quality standards become more stringent. With some traditional disposal routes coming under pressure, the challenge facing the wastewater treatment authorities is to find cost-effective and environmentally sound solutions whilst responding to increasing public awareness. This paper describes the development of a plan for integrated management of municipal sludges (sewage sludge, nightsoil/septage sludge) which has high security for medium-and long-term sludge utilization and disposal as the goal. It concludes that incineration and agricultural use should be implemented and operated in parallel as first priority options.

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Rio, S., C. Faur-Brasquet, L. Le Coq, D. Lecomte, and P. Le Cloirec. "Preparation and characterization of activated carbon from sewage sludge: carbonization step." Water Science and Technology 49, no. 1 (January 1, 2004): 139–46. http://dx.doi.org/10.2166/wst.2004.0041.

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Sewage sludges produced from wastewater treatment plants continue to create environmental problems in terms of volume and method of valorization. Thermal treatment of sewage sludge is considered as an attractive method in reducing sludge volume which at the same time produces reusable by-products. This paper deals with the first step of activated carbon production from sewage sludge, the carbonization step. Experiments are carried out on viscous liquid sludge and limed sludge by varying carbonization temperature and heating rate. The results show that carbonized residue properties are interesting for activated carbon production.

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Chu, C. W., C. S. Poon, and R. Y. H. Cheung. "Characterization of raw sludge, chemically modified sludge and anaerobically digested sludge in Hong Kong." Water Science and Technology 38, no. 2 (July 1, 1998): 25–32. http://dx.doi.org/10.2166/wst.1998.0095.

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Chemically Enhanced Primary Treatment (CEPT) or Chemically Assisted Primary Sedimentation (CAPS) is being employed at the new sewage work on Stonecutters Island as part of the Strategic Sewage Disposal Scheme (SSDS) in Hong Kong. CAPS involves the use of chemical coagulants (such as lime or ferric chloride) to induce coagulation or flocculation and let these finely-divided particles form large aggregates (floc) so that they can settle out within a reasonable period of time. In this study, five sludge samples collected from different sewage treatment plants in Hong Kong were physically and chemically characterized. They were chemically modified sludge from Stonecutters Island (CAPS) raw sludge from Tai Po and Yuen Long Sewage Treatment Plant (STP) (rTP & rYL) and anaerobically digested sludge from Tai Po and Yuen Long STP (dTP & dYL). It was found that CAPS sludge was better than other 4 sludge samples in terms of settleability and dewaterability. CAPS sludge contained significant higher amounts (p<0.01) of extractable compounds than other sludges (except NO3− for dTP, NH4+ and PO43− for dYL). The concentration of total N and P in CAPS sludge were significantly higher (p<0.01) than other sludges (except dYL). The concentrations of total Cu, Pb, Ni, Cd, Cr and K in the CAPS sludge were also significantly higher (p<0.01) than other sludge samples. Most of the metals (Cr, Pb, Cr and Zn) in CAPS sludge were associated with the organically-bounded phase. It is concluded that there are significant differences in both physical and chemical properties between the chemically modified sludge and biological treated sludges.

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Scheminski, A., R. Krull, and D. C. Hempel. "Oxidative treatment of digested sewage sludge with ozone." Water Science and Technology 42, no. 9 (November 1, 2000): 151–58. http://dx.doi.org/10.2166/wst.2000.0193.

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A process to improve anaerobic biodegradation of wastewater treatment sludges is investigated. Recalcitrant organic compounds which are contained in biologically stabilized digested sludge become biodegradable by partial oxidation using ozone and ozone in combination with hydrogen peroxide respectively. By oxidation with ozone, cell walls of microorganisms were destroyed and cytoplasm dissolved in sludge water. Water insoluble substances with high molecular weight were split into smaller, water soluble and biodegradable fragments. Sludge matrix composition regarding protein, lipid and polysaccharide content changed. After ozone consumption of 0.2 gram ozone per gram organic dry matter, the degree of biodegradation of organic matter during the following anaerobic treatment increased to 42%. Due to the oxidizing pretreatment, the dewatering results of the sludges after biological decomposition deteriorated. The polymer demand to reach isoelectric point increased with ozone consumption. Compared to mechanical, thermal and thermochemical disintegration, partial oxidation by ozone achieved highest degrees of organic matter decomposition in the following anaerobic biodegradation.

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Królik, Dariusz, Przemysław Wypych, and Jakub Kostecki. "Sewage Sludge Management in a Sewage Treatment Plant." Civil and Environmental Engineering Reports 29, no. 3 (September 1, 2019): 209–17. http://dx.doi.org/10.2478/ceer-2019-0036.

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Abstract Sewage sludge produced in municipal sewage treatment plants, because of its physicochemical and sanitary properties, is a serious threat to the environment. In order to neutralize it, various methods of processing are used, which directly affect the quantity and quality of produced sewage sludge, which in the final stage can be used naturally. Properly managed sludge management is presented on the example of a sewage treatment plant, conducting the methane fermentation process with the production of biogas.

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Dissertations / Theses on the topic "Sewage sludge treatment"

1

Ng, Yue-hang. "Dewatering and treatment of sewage sludge before landfill /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14723232.

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Fong, Chun-yau. "Latest development in waterworks sludge treatment and disposal in Hong Kong /." [Hong Kong : University of Hong Kong], 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13498733.

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Ng, Yue-hang, and 伍宇鏗. "Dewatering and treatment of sewage sludge before landfill." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31253222.

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Martin, Garcia Ignacio. "Sludge free and energy neutral treatment of sewage." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/6530.

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Anaerobic biological processes have been recognized as the most suitable pathway towards sustainable wastewater treatment due to the lower energy required and the lower amounts of biosolids generated when compared to conventional aerobic technologies. The difficulties experienced with the implementation of anaerobic reactors for the treatment of low strength wastewater at low temperatures are related to the deterioration of treatment capacity and effluent quality due to inefficient removal of colloidal matter and biomass washout. Membrane technology can overcome the limitation of anaerobic bioreactors since they retain not only solids but also colloidal and high molecular weight organics. This thesis explores the potential of anaerobic membrane bioreactors as core technology for mainstream wastewater treatment. The impacts of seed sludge, temperatures and bioreactors configuration on treatment efficiency and membrane performance as well as nutrient removal using ion exchange resins are investigated. Cont/d.

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Nordin, Andreas. "Heavy metal removal from sewage sludge by pyrolysis treatment." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-8807.

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Sewage sludge is the product from wastewater treatment that mostly is considered as a waste material. However, it contains several nutrients, especially phosphorus, potassium and nitrogen which are excellent fertilizers. The downside is the harmful content it also carries with pathogens, heavy metals and a variety of organic pollutants that in many cases have unknown effects on the ecosystem. A possible solution to this problem could be to pyrolyse the sewage sludge and by that decrease the levels of heavy metals and also render both pathogens and organic pollutants harmless. In this thesis project pyrolysis of dried sewage sludge has been evaluated at temperatures 650 750, 850 and 950 °C with addition of chlorine in the form of PVC and straw. An energy balance for pyrolysis and drying of dewatered sewage sludge has also been suggested. The results of the pyrolysis evaluation indicate that cadmium concentration can be reduced significantly with increasing temperature in the product char. But also other heavy metals like lead and zinc are affected at the higher temperatures evaluated. Mercury is completely removed from the char residue. The more latent volatile metals copper, chromium and nickel cannot be reduced to lower concentrations at these temperatures. They are instead enriched under these conditions. Chlorine addition to the sludge enhances the evaporation of all heavy metals but copper, nickel and chromium. The energy balance over the system indicates that the drying process requires more energy than is released from the sludge into the pyrolysis gases. The energy carried by the pyrolysis gases is however larger than what is required to drive the pyrolysis process.

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Tshivhunge, Azwiedziswi Sylvia. "Enzymology of activated sewage sludge during anaerobic treatment of wastewaters : identification, characterisation, isolation and partial purification of proteases." Thesis, Rhodes University, 2001. http://hdl.handle.net/10962/d1004072.

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During anaerobic digestion bacteria inside the digester require a carbon source for their growth and metabolism, sewage sludge was used as a carbon source in this study. The COD content was used to measure the disappearance of the substrate. COD content was reduced by 48.3% and 49% in the methanogenic and sulphidogenic bioreactors, respectively, while sulphate concentration was reduced by 40%, producing 70mg/L of hydrogen sulphide as the end product over the first 5-7 days. Sulphate (which is used as a terminal electron acceptor of sulphur reducing bacteria) has little or no effect on the sulphidogenic and methanogenic proteases. Sulphite and sulphide (the intermediate and end product of sulphate reduction) increased protease activity by 20% and 40%-80%, respectively. Maximum protease activity occurred on day 21 in the methanogenic reactor and on day 9 in the sulphidogenic reactor. The absorbance, which indicates the level of amino acid increased to 2 and 9 for methanogenic and sulphidogenic bioreactors, respectively. Proteases that were active during anaerobic digestion were associated with the pellet (organic particulate matter) of the sewage. These enzymes have an optimum activity at pH 10 and at temperature of 50°C. The proteases that were active at pH 5 and 7, had optimum temperatures at 30°C and 60°C, respectively. Due to their association with organic particulate matter, these enzymes were stable at their optimum temperatures for at least five hours at their respective pH. Inhibition by PMSF, TPCK and 1.10-phenanthroline suggested that proteases inside the anaerobic digester are a mixture of cysteine, serine and metalloproteases. At pH 5, however, EDTA appeared to enhance protease activity by 368% (three-fold). Acetic acid decreased protease activity by 21%, while both propionic and butyric acid at 200 mg/L cause total inhibition of protease activity while these acids at higher pH (where they exist as their corresponding salts) exerted little effect. Copper, iron and zinc inhibited protease activity by 85% at pH 5 with concentrations ranging between 200 and 600 mg/L. On the other hand, nickel, showed an increase in protease activity of nearly 250%. At pH 7 and 10, copper had no effect on protease activity while iron, nickel and zinc inhibited these enzymes by 20-40%. Proteases at pH 7 were extracted from the pellet by sonication, releasing 50% of the total enzymes into the solution. The enzymes were precipitated by ammonium sulphate precipitation, and further purified by ion exchange chromatography and gel filtration. Ion exchange chromatography revealed that most of the enzymes that hydrolyse proteins are negatively charged while gel filtration showed that their molecular weight is approximately 500 kDa.

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Wong, Tak Ian. "Numerical flow simulations of an egg-shaped anaerobic sludge digester in wastewater treatment /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?EVNG%202005%20WONG.

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Ozkan, Yucel Umay G. "Co-treatment Of Hazardous Compounds In Anaerobic Sewage Sludge Digesters." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609952/index.pdf.

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Xenobiotic compounds, which are exclusively man made, are produced in large quantities every year and released to the environment. Besides, anaerobic sludge digestion offers advantage in co-treatment of hazardous substances produced by the industry. The performance of the digesters can be monitored by modeling efforts. In this study, Anaerobic Digestion Model No.1 (ADM1) was calibrated, and validated for full-scale digester, lab-scale digester, and lab-scale digester seeded with totally different anaerobic biomass than that of full-scale digester. The model xenobiotic compound, a mono azo dye RO107, was co-treated with sewage sludge in an anaerobic digester. High removal efficiencies as 98% was found for azo dye at standard operating conditions of anaerobic digesters. The digester performance was not effected from azo dye or its reduction products. The dye reduction mechanism was modeled by biochemical mechanism due to unspecific enzymes and by chemical mechanism due to sulfide reduction. Some of the dye metabolites were suggested to be degraded by aerobic biotreatment. The anaerobic reduction metabolites of RO107 were identified as 2-(4-aminophenylsulfonyl) ethanol and 2,5-diamino-4-formamidobenzenesulfonic acid, and sulfanilic acid.

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Bauer, Torben. "Can new treatment combinations make sewage sludge management more sustainable?" Licentiate thesis, Luleå tekniska universitet, Geovetenskap och miljöteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-84162.

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Treated sewage sludge is often reused as a fertilizer but several European countries are phasing out this option due to concerns about harmful substances in the sludge. Valuables in the sludge should still be recycled so the removal of the pollutants is necessary. The technology in sewage sludge treatment remained nearly unchanged in the past century. Adapting traditional treatments and combining them with upcoming ones can be a way to separate substances in sewage sludge. This work discusses examples of how treatment methods can be combined and which potential these treatment combinations may have. New tools for system analyses need to be developed to allow the integration and adaption of treatments into existing infrastructure.

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Tsang, Wai Lik. "Performance of sulfate reduction, autotrophic denitrification, and nitrification integrated process (SANI process) for saline sewage treatment /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202007%20TSANG.

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Books on the topic "Sewage sludge treatment"

1

Baily, Richard E. Sludge types, treatment processes and disposal. Hauppauge NY: Nova Science Publishers, 2009.

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Chartered Institution of Water and Environmental Management. Sewage sludge: Introducing treatment and management. London: Chartered Institution of Water and Environmental Management, 1995.

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Wu, Yeun C. Destruction and stabilization of sludge by multiple-stage digestion and thermal treatment. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1987.

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4

International Solid Waste Association. Working Group on Sewage & Waterworks Sludge. Sludge treatment and disposal: Management approaches and experiences. Copenhagen: European Environment Agency, 1998.

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5

Gianni, Andreottola, and Ziglio G, eds. Sludge reduction technologies in wastewater treatment plants. London: IWA Pub., 2010.

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C, Reed Sherwood, and Middlebrooks E. Joe, eds. Natural wastewater treatment systems. Boca Raton, FL: CRC/Taylor & Francis, 2006.

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Wastewater and biosolids treatment technologies: A sourcebook for plant managers and operators. Boca Raton, Fla: Lewis Publishers, 2002.

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Zhang, Guofeng. Environmental and Social-economic Impacts of Sewage Sludge Treatment. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-948-6.

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Biological treatment of sewage by the activated sludge process. Chichester, West Sussex, England: E. Horwood, 1988.

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Cheremisinoff, Nicholas P. Wastewater and biosolids treatment technologies: The comprehensive reference for plant managers and operators. Rockville, MD: ABS Consulting, Government Institutes, 2003.

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Book chapters on the topic "Sewage sludge treatment"

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LESTER, J., and D. EDGE. "Sewage and sewage sludge treatment." In Pollution, 113–44. Cambridge: Royal Society of Chemistry, 2007. http://dx.doi.org/10.1039/9781847551719-00113.

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Werle, Sebastian, and Mariusz Dudziak. "Analysis of Organic and Inorganic Contaminants in Dried Sewage Sludge and By-Products of Dried Sewage Sludge Gasification." In Thermochemical Waste Treatment, 95–117. Toronto; Waretown, New Jersey : Apple Academic Press, 2016. |: Apple Academic Press, 2017. http://dx.doi.org/10.1201/b19983-9.

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Tyagi, R. D., and R. Y. Surampalli. "Simultaneous Sewage Sludge Digestion and Metal Leaching." In Advances in Water and Wastewater Treatment, 261–72. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/9780784407417.ch14.

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Sommers, Lee E., and Ken A. Barbarick. "Constraints to land application of sewage sludge." In Utilization, Treatment, and Disposal of Waste on Land, 193–216. Madison, WI, USA: Soil Science Society of America, 2015. http://dx.doi.org/10.2136/1986.utlizationtreatmentdisposal.c17.

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Paulsrud, B., B. Rusten, and R. Storhaug. "Pretreatment of Sludge Liquors in Sewage Treatment Plants." In Pretreatment in Chemical Water and Wastewater Treatment, 319–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73819-7_26.

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Möller, Ulrich. "Overview of Sewage Sludge Treatment Processes : An Outlook." In Processing and Use of Organic Sludge and Liquid Agricultural Wastes, 2–24. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4756-6_1.

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Hamer, Geoffrey. "Thermophilic Aerobic Processes for Waste Sewage Sludge Treatment." In Environmental Biotechnology, 206–20. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-017-1435-8_19.

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Gluzinska, Joanna, and Jacek Kwiecien. "Sewage sludge treatment focused on useful compounds recovery." In Urban Environment, 425–38. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2540-9_39.

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Sokolov, Leonid, Aleksandr Tyanin, and Liliya Mukhametova. "Sewage Sludge Treatment Using the ‘‘freezing-Thawing’’ Method." In Lecture Notes in Civil Engineering, 62–67. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67654-4_8.

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Tavares, Célia R. G., Cláudia T. Benatti, and Benedito P. Dias Filho. "Treatment of Sewage Sludge Generated in Municipal Wastewater Treatment Plants." In Biotechnology for Fuels and Chemicals, 935–45. Totowa, NJ: Humana Press, 2002. http://dx.doi.org/10.1007/978-1-4612-0119-9_76.

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Conference papers on the topic "Sewage sludge treatment"

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Hwang, Joon, and Woo-Jung Kang. "Analysis of Sewage Sludge Treatment Process Using Taguchi Method." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82679.

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This paper presents the experimental analysis of sewage sludge drying process using Taguchi method to know the characteristics and optimize drying process parameters. There have been attempt to perform the sewage sludge disposal such as simple reclaiming, dumping in the sea, incineration. Currently, these methods are restricted by national or international government regulations. The drying process is adopted as effective method for sewage sludge treatment, however sewage sludge makes difficult to treat with large volume at the real drying process plant because of its own complicated physical, chemical, and thermal properties. To treat the sewage sludge in view of environmental friendly and cost effective way, it is necessary to control the volume and weight of sewage sludge. It is not only reduces the delivery expenses and improve the re-usability, but also prevents several shift environmental pollution from nocuous sewage sludge. In this study, sewage sludge drying process parameter was modeled and evaluated with Taguchi method. From these research results the process parameters can be optimized to satisfy the desired qualities of particle diameter and moisture content of dried sewage sludge, and also provided to achieve the economic process operation.

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Panepinto, D., and G. Genon. "Wastewater sewage sludge: the thermal treatment solution." In WASTE MANAGEMENT 2014. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/wm140171.

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Luiz Tonetti, Adriano, and Aline Costa. "Characterization of sewage sludge from different treatment systems." In XXIII Congresso de Iniciação Científica da Unicamp. Campinas - SP, Brazil: Galoá, 2015. http://dx.doi.org/10.19146/pibic-2015-36974.

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Aros-Beltran, Patricia, Itelier Salazar-Quintana, and Nelson Aros-Onate. "Simulator of a Sludge Dryer From Sewage Treatment Plants." In 2018 IEEE International Conference on Automation/XXIII Congress of the Chilean Association of Automatic Control (ICA-ACCA). IEEE, 2018. http://dx.doi.org/10.1109/ica-acca.2018.8609783.

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Cao, X. Q., A. N. Chen, D. F. Zhao, Y. P. Gan, J. Zhou, J. W. Wang, and J. Chang. "Upgrading of anaerobic digestion of sewage sludge by sludge thickening and ultrasonic pre-treatment." In 3rd International Conference on Contemporary Problems in Architecture and Construction. IET, 2011. http://dx.doi.org/10.1049/cp.2011.1259.

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Xu, Zhang, and Xiao Cheng. "Study on control method of activated sludge sewage treatment system." In 2016 2nd International Conference on Control Science and Systems Engineering (ICCSSE). IEEE, 2016. http://dx.doi.org/10.1109/ccsse.2016.7784373.

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Na, Wei. "An energy-saving drying treatment method for municipal sewage sludge." In 2013 International Conference on Manufacture Engineering and Environment Engineering. Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/meee130961.

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8

Na, Wei. "An energy-saving drying treatment method for municipal sewage sludge." In 2013 International Conference on Manufacture Engineering and Environment Engineering. Southampton, UK: WIT Press, 2013. http://dx.doi.org/10.2495/meee20130961.

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Ribeiro, A., J. Araújo, A. Mota, R. Campos, C. Vilarinho, and J. Carvalho. "Decontamination of Heavy Metals From Municipal Sewage Sludge (MSS) by Electrokinetic Remediation." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11221.

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Abstract:

Abstract A large quantity of sludges resulting from the treatment of MWWTP (Municipal Wastewater Treatment Plant) effluent is generated annually following the increase of population density and acceleration of urbanization. Sludge production in Europe has been predicted by around 12 million tons in 2020. As a solid waste, appropriate disposal of Municipal Sewage Sludge (MSS) has been taken seriously due to its larger volume and toxic substances such as heavy metals. Electrokinetic remediation has more advantages in heavy metals uptake compared to other technologies, due to the ability to treat soils in-situ and to remove heavy metals from soils. In this work, it was studied the remediation of MSS by the electrokinetic remediation coupled with activated carbon (AC) as a permeable reactive barrier (PRB). It was applied an electric current of 3 V cm−1 and it was used an AC/sludge ratio of 30 g kg−1 of contaminated sludge for the preparation of the PRB. In each trial, the evolution of cadmium (Cd), lead (Pb), copper (Cu), chromium (Cr), nickel (Ni) and zinc (Zn) removal from the sludge were evaluated. Results proved that this process is perfectly suited for the removal of chromium, nickel and zinc metals from the sludge. At the end of the operation time, it was achieved a maximum removal rate of 56% for chromium, 73% for nickel and 99% for zinc, with initial concentrations of 2790 mg kg−1, 2840 mg kg−1, and 94200 mg kg−1, respectively. Based on these results, it was proved the technical viability of the proposed technology (electrokinetic with AC as a permeable reactive barrier) to treat municipal sewage sludges.

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Jiagang Shi, Kanghuai Liu, Xi Zhang, Taohong Liao, Haixia Zhang, and Dongyu Ou. "Discussion of sewage sludge treatment on small towns in western China." In 2011 Second International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2011. http://dx.doi.org/10.1109/mace.2011.5988515.

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Reports on the topic "Sewage sludge treatment"

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Sewage and Fecal Sludge Treatment in Tiruchirappalli : Current Status, Proposed Plans and Recommendations for Improvement. Indian Institute for Human Settlements, 2017. http://dx.doi.org/10.24943/tnusspsfst.20171201.

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