Relevant bibliographies by topics / Sewage Fatty acids

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Sewage Fatty acids'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Sewage Fatty acids"

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Chua, H., and K. Y. Le. "A survey of filamentous foaming in activated sludge plants in Hong Kong." Water Science and Technology 30, no. 11 (1994): 251–54. http://dx.doi.org/10.2166/wst.1994.0566.

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Of five major secondary sewage treatment works surveyed during 1993 in Hong Kong, two had frequent foaming in the activated sludge plants which resulted in unmanageable operational problems. In this study, branched-filamentous Nocardia amarae was identified as the main causative bacteria in foaming sludges. In vitro studies showed that fatty acids that are commonly found in municipal sewage could be utilized by N. amarae as the sole carbon source, and presence of these fatty acids in sewage could stimulate growth.
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Borowski, Sebastian, and Marcin Kucner. "The use of sugar beet pulp stillage for co-digestion with sewage sludge and poultry manure." Waste Management & Research 37, no. 10 (2019): 1025–32. http://dx.doi.org/10.1177/0734242x19838610.

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The anaerobic mesophilic co-digestion of sugar beet pulp stillage with poultry manure and municipal sewage sludge was investigated in this study. The sugar beet pulp stillage (SBPS) mono-digestion failed owing to an accumulation of volatile fatty acids, leading to a pH value lower than 5.5. A 20% addition of poultry manure to stillage allowed for stable digestion performance despite high volatile fatty acid (total volatile fatty acids) concentrations of 5500–8500 g m−3 with propionic acid being the predominant one and constituting 72%–76% total volatile fatty acids. For this mixture, the maxim
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Lötter, L. H., and A. R. Pitman. "Improved Biological Phosphorus Removal Resulting from the Enrichment of Reactor Feed with Fermentation Products." Water Science and Technology 26, no. 5-6 (1992): 943–53. http://dx.doi.org/10.2166/wst.1992.0536.

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Research in South Africa has highlighted the dependence of biological phosphate removal mechanisms on the presence of certain minimum concentrations of some readily biodegradable materials including interalia volatile fatty acids. Successful generation of these compounds has been achieved at recently commissioned facilities at three of Johannesburg' activated sludge plants. Elutriation of the volatile fatty acids from the sludge was achieved by recycling sludge to the influent sewage stream. Significant improvements in phosphate removal were observed, thus reducing the demand for chemical dosi
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Zhu, Y. F., H. B. Liu, H. Liu, S. Huang, H. J. Ma, and Y. Tian. "Filtration characteristics of anaerobic fermented sewage sludge for fatty acids production." Separation and Purification Technology 142 (March 2015): 8–13. http://dx.doi.org/10.1016/j.seppur.2014.11.037.

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Qin, Jinyi, Rui Zhang, Ruiwen Yang, et al. "Sludge char-to-fuel approaches based on the hydrothermal fueling IV: fermentation." Water Science and Technology 84, no. 4 (2021): 880–91. http://dx.doi.org/10.2166/wst.2021.281.

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Abstract Sewage sludge was subjected to hydrothermal fueling (HTF) (330 °C for 40 min), obtaining hydrochar at 13.5 MJ kg−1. The higher heating value (HHV) of the raw sludge was related to its fatty acid content. The results showed that although the higher heating value (HHV) of the raw sludge was related to its fatty acid content, with the intensification of HTF, the increase in aliphatic/cyclic amino acids determined the production of HHV in the hydrochar. In order to increase the content of fatty acids and amino acids, the sludge was fermented. However, the Bacteroidetes consumed the organi
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Kim, J. O., I. Somiya, E. B. Shin, W. Bae, S. K. Kim, and R. H. Kim. "Application of membrane-coupled anaerobic volatile fatty acids fermentor for dissolved organics recovery from coagulated raw sludge." Water Science and Technology 45, no. 12 (2002): 167–74. http://dx.doi.org/10.2166/wst.2002.0423.

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To investigate the treatment performance of membrane-coupled anaerobic volatile fatty acids fermentor system, the effects of operational parameters for volatile fatty acids production were evaluated through experiments and a mathematical model. The volatile fatty acids recovery ratio was largely affected by the change of hydraulic retention time, reaching its maximum value at 12 hrs. Over the range of hydraulic retention time 8 to 96 hrs, the volatile fatty acids recovery ratio decreased with the increase of hydraulic retention time above 12 hrs, while the ratio of mineralization and gasificat
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Pitman, A. R., L. H. Lötter, W. V. Alexander, and S. L. Deacon. "Fermentation of Raw Sludge and Elutriation of Resultant Fatty Acids to Promote Excess Biological Phosphorus Removal." Water Science and Technology 25, no. 4-5 (1992): 185–94. http://dx.doi.org/10.2166/wst.1992.0494.

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Research in South Africa has highlighted the dependence of biological phosphate removal mechanisms on the presence of certain minimum concentrations of some readily biodegradable materials including interalia volatile fatty acids. Generation of these compounds was achieved on an experimental basis at the Johannesburg Northern Works by the fermentation of primary sludge either in primary settling tanks or off-line in high rate “acid” digesters. Elutriation of the volatile fatty acids from the sludge was achieved by recycling the sludge to the influent sewage stream. Significant improvements in
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Yang, Xue, Maoan Du, Duu-Jong Lee та ін. "Enhanced production of volatile fatty acids (VFAs) from sewage sludge by β-cyclodextrin". Bioresource Technology 110 (квітень 2012): 688–91. http://dx.doi.org/10.1016/j.biortech.2011.08.122.

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9

Raksasat, Ratchaprapa, Kunlanan Kiatkittipong, Worapon Kiatkittipong, et al. "Blended Sewage Sludge–Palm Kernel Expeller to Enhance the Palatability of Black Soldier Fly Larvae for Biodiesel Production." Processes 9, no. 2 (2021): 297. http://dx.doi.org/10.3390/pr9020297.

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Black soldier fly larvae (BSFL) have been employed for valorizing organic waste materials as the larvae are able to consume organic waste and transform it into valuable larval biomass. In this study, BSFL were found to potentially reduce blended sewage sludge. The addition of palm kernel expeller (PKE) fortified the protein and lipid content in blended sewage sludge substrates, leading to larval growth enhancement. In addition, the larval weight also influenced the lipid yield and fatty acid methyl ester (FAME) profile. However, the optimum ratio of sewage sludge to PKE had to be determined as
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He, X., and D. G. Wareham. "2,4-D removal via denitrification using volatile fatty acids." Water Science and Technology 63, no. 1 (2011): 178–83. http://dx.doi.org/10.2166/wst.2011.030.

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Many countries have waters contaminated with both herbicides and nitrates; however, information is limited with respect to removal rates for combined nitrate and herbicide elimination. This research investigates the removal of 2,4-D via denitrification, with a particular emphasis on the effect of adding naturally generated volatile fatty acids (VFAs). The acids were produced from an acid-phase anaerobic digester with a mean VFA concentration of 3153±801 mg/L (as acetic acid). Initially, 2,4-D degrading bacteria were developed in an SBR fed with both sewage and 2,4-D (30–100 mg/L). Subsequent d
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Dissertations / Theses on the topic "Sewage Fatty acids"

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Zhu, Kuang. "Effect of Long Chain Fatty Acids on Anaerobic Digestion of Municiapal Sewage Sludge in Completely Mixed Reactors." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23192.

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Fats, oil and grease (FOG) are generated in large amounts by cooking and food processing. Anaerobic co-digestion with municipal sewage sludge has proven to be one of best alternatives for FOG disposal due to its high potential for biogas production. However, excessive addition of long chain fatty acid, the major content of FOG, has been reported to have inhibitory effects on the anaerobic digestion process and to cause operational challenges. In this study, high purity long chain fatty acids (LCFAs) including linoleic acid, oleic acid, and a mixture of oleic acid and stearic acid were added to
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Vaidya, Ramola Vinay. "Effect of Addition of High Strength Food Wastes on Anaerobic Digestion of Sewage Sludge." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/52936.

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Anaerobic co-digestion of municipal sludge and food wastes high in chemical oxygen demand (COD) has been an area of interest for waste water treatment facilities looking to increase methane production, and at the same time, dispose of the wastes and increase the revenue. However, addition of food wastes containing fats, oils and grease (FOG) to the conventional anaerobic digestion process can be difficult and pose challenges to utilities. Incorporating these wastes into the treatment plants can potentially inhibit the digestion process. In this study four lab-scale, anaerobic digesters were op
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Chappe, Pascal. "Étude de microorganismes lipolytiques de boues activées de stations d'épuration." Nancy 1, 1993. http://www.theses.fr/1993NAN10107.

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L'élimination des graisses pose de nombreux problèmes dans les stations d'épuration. Pour envisager une bonne mise au point de leur biodégradation par la voie aérobie, les microflores de boues activées de stations pilotes sont dénombrées et isolées. L'activité lipolytique sur l'huile d'olive de leurs bactéries est étudiée. Trois genres principaux, pseudomonas, acinetobacter et aeromonas, sont isolés de ces biotopes à haute teneur en graisses. La survie des souches lipolytiques des boues activées est testée en présence des principaux acides gras des effluents des stations. Ceux-ci ont des actio
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"Effects of fatty acids on bacterial foaming in activated sludge process." 1999. http://library.cuhk.edu.hk/record=b5890144.

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by Sonia, Tze Yan Lo.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1999.<br>Includes bibliographical references (leaves 132-147).<br>Abstracts in English and Chinese.<br>Acknowledgments --- p.i<br>Abstract --- p.ii<br>Table of Content --- p.iii<br>List of Figures --- p.ix<br>List of Tables --- p.xiii<br>List of Abbreviations --- p.xv<br>Terminology --- p.xvii<br>Chapter 1. --- Introduction --- p.1<br>Chapter 1.1 --- Objectives of sewage treatment process --- p.1<br>Chapter 1.1.1 --- Types of treatment --- p.1<br>Chapter 1.1.2 --- Activated sludge process --- p.2<br>Chapter
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Books on the topic "Sewage Fatty acids"

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Zielewicz, Ewa. Dezintegracja ultradźwiękowa osadu nadmiernego w pozyskiwaniu lotnych kwasów tłuszczowych. Wydawn. Politechniki Śląskej, 2007.

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Dept.of Environment. Titrimetric Determination of Total and Bicarbonate Alkalinity and Volatile Fatty Acids in Sewage Sludge, 1980-89. Stationery Office Books, 1989.

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3

Rogers, Theresa Kathleen. Quantitive determination of fatty acids and other compounds in wastewaters by extraction/HPLC methods. 1987.

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Book chapters on the topic "Sewage Fatty acids"

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Liu, Hongbo, Yajie Li, Bo Fu, Hongxiao Guo, Jie Zhang, and He Liu. "Recovery of volatile fatty acids from sewage sludge through anaerobic fermentation." In Current Developments in Biotechnology and Bioengineering. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-444-64321-6.00008-2.

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"APHA 1971 Standard methods for the examination of water and waste water 13th Edition. American Public Health Association Inc., New York. 25 HISSETT, R. , EVANS, M.R. & BAINES, S. 1975 The use of respirometric methods for assessing the biodegradability of different components of agricultural wastes. Progress in Water Technology 7(2) 13-21. 26 MONTGOMERY, H.A.C., DYMOCK, J.F. & THOM, N.S. 1962 The rapid colourimetric determination of organic acids and their salts in sewage sludge liquor. Analyst 87, 949-955. 27 BAINES, S. & EVANS, M.R. 1985 Aeration and odour control by heterotrophic and autotrophic aerobes. EEC/FAO, Silsoe, U.K. 15-19 April 1985. 28 SPOELSTRA, S.F. 1977 Simple phenols and indoles in anaerobically stored piggery wastes. Journal of the Science of Food and Agriculture 28^ 415-423. 29 SPOELSTRA, S.F. 1979 Volatile fatty acids in anaerobically stored piggery wastes. Netherlands Journal of Agricultural Science 21_, 60-66. 30 Her Majesty's Stationery Office 1981 Phenols in waters and effluents. 31 Personal Communication with A.G. Williams, Farm Buildings Division, N.I.A.E., Silsoe, Bedford, U.K." In Odour Prevention and Control of Organic Sludge and Livestock Farming. CRC Press, 1986. http://dx.doi.org/10.1201/9781482286311-127.

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Conference papers on the topic "Sewage Fatty acids"

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Eichenauer, Sabrina, Bernd Weber, and Ernst A. Stadlbauer. "Thermochemical Processing of Animal Fat and Meat and Bone Meal to Hydrocarbon Based Fuels." In ASME 2015 9th International Conference on Energy Sustainability collocated with the ASME 2015 Power Conference, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/es2015-49197.

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The results of the study at hand may have implications for treatment of grease, lipid fractions, free fatty acids (FFA) and salts of FFA extracted from wastes of food industry, bio-refineries or sewage sludge as well as contaminated lipid containing forage. The goal of the study is, to prevent such contaminated wastes from entering the food chain. The following ways of treatment are proposed. Thermal conversion of waste fats from rendering plants or lipids in the presence of aluminosilicates of the zeolite family produce hydrocarbons with net calorific values in the range of 40–42 MJ/kg. NMR s
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