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Fatty acid content and composition of sediments from Siberian eutrophic water bodies: Implications for biodiesel production / N. N. Sushchik, A. Y. Kuchkina, M. I. Gladyshev // Water Research. - 2013. - Vol. 47, Is. 9. - P3192-3200, DOI 10.1016/j.watres.2013.03.031 . - ISSN 0043-1354
Кл.слова (ненормированные):
Biodiesel -- Bottom sediments -- Fatty acids -- Fuel properties -- Inland water bodies -- Lipids -- Biological conditions -- Bottom sediments -- Environmental characteristic -- Freshwater reservoirs -- Fuel properties -- Inland waters -- Organic matter source -- Transformation process -- Biodiesel -- Eutrophication -- Fatty acids -- Feedstocks -- Fuels -- Lipids -- Reservoirs (water) -- Sedimentology -- Thermochemistry -- Sediments -- biodiesel -- fresh water -- iodine -- organic matter -- biofuel -- bottom water -- combustion -- eutrophic environment -- eutrophication -- fatty acid -- lacustrine deposit -- physicochemical property -- reservoir -- transformation -- article -- estuary -- eutrophication -- fatty acid analysis -- lake -- lipid composition -- priority journal -- sediment -- Khakassia -- Krasnoyarsk [Krasnoyarsk (ADS)] -- Krasnoyarsk [Russian Federation] -- Lake Shira -- Russian Federation
Аннотация: We studied lipids and fatty acids (FA) in bottom sediments from four Siberian water bodies, Bugach, Lesnoi and Krasnoyarsk freshwater reservoirs and brackish Shira lake, that differed in physico-chemical and biological conditions. We considered the potential of the bottom sediments as a feedstock for biodiesel production and estimated properties of the obtained biodiesel as a fuel on the basis of FA composition. Contents of lipids and FA in the sediments moderately varied and were generally close to the reported data from lacustrine and estuarine systems. We confirmed that long-term eutrophication of a water body resulted in the lipid-rich bottom sediments that make them a feedstock for biodiesel production. Each of the studied water bodies had specific FA composition of sediments likely due to different organic matter sources and transformation processes. Despite these differences in FA profiles, calculated key parameters (cetane number, iodine number and heat of combustion) of biodiesel produced from all the studied sediments met the limits established by current biodiesel standards. Thus, the variation in the sediment FA composition due to environmental characteristics of a water body likely has no principal significance for fuel properties of the obtained biodiesel. В© 2013 Elsevier Ltd.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok 50/50, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Svobodny av. 79, Krasnoyarsk 660041, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Kuchkina, A.Y.; Gladyshev, M.I.

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