Fatty acid content and composition of sediments from Siberian eutrophic water bodies: Implications for biodiesel production


Тип публикации: статья из журнала

Год издания: 2013

Идентификатор DOI: 10.1016/j.watres.2013.03.031

Ключевые слова: Inland water bodies, Bottom sediments, Lipids, Fatty acids, Biodiesel, Fuel properties, Biological conditions, Environmental characteristic, Freshwater reservoirs, Inland waters, Organic matter source, Transformation process, Eutrophication, Feedstocks, Fuels, Reservoirs (water), Sedimentology, Thermochemistry, Sediments, fresh water, iodine, organic matter, biofuel, bottom water, combustion, eutrophic environment, fatty acid, lacustrine deposit, physicochemical property, reservoir, transformation, article, estuary, fatty acid analysis, lake, lipid composition, priority journal, sediment, Biofuels, Geography, Geologic Sediments, Lakes, Reference Standards, Siberia, 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 estimaПоказать полностьюted 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. (C) 2013 Elsevier Ltd. All rights reserved.

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Выпуск журнала: Vol. 47, Is. 9

Номера страниц: 3192-3200

ISSN журнала: 00431354

Место издания: OXFORD