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 Найдено в других БД:Каталог книг и продолжающихся изданий библиотеки Института биофизики СО РАН (2)
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1.


   
    Sediments of the Yenisei River: Monitoring of radionuclide levels and estimation of sedimentation rates / A. Bolsunovsky, D. Dementyev // IAHS-AISH Publication. - 2010. - Vol. 337: Symposium on Sediment Dynamics for a Changing Future (14 June 2010 through 18 June 2010, Warsaw) Conference code: 84220. - P143-148
Кл.слова (ненормированные):
Artificial and natural radionuclides -- Dating methods -- River sediments -- Sedimentation rates -- Yenisei river -- Dating methods -- Natural radionuclides -- River sediments -- Sedimentation rates -- Yenisei river -- Anoxic sediments -- Cesium -- Europium -- Lead -- Nuclear energy -- Nuclear weapons -- Plutonium -- Radioisotopes -- River pollution -- Sedimentation -- Sedimentology -- Strontium -- Uranium -- Rivers -- cesium isotope -- cobalt isotope -- europium -- fluvial deposit -- plutonium isotope -- radioactive pollution -- radioactive waste -- radionuclide -- sampling -- sediment core -- sediment pollution -- sedimentation rate -- Krasnoyarsk [Russian Federation] -- Russian Federation -- Yenisei River
Аннотация: The Yenisei River, one of the largest rivers in the world, is contaminated with artificial radionuclides released by a Russian nuclear facility producing weapon-grade plutonium, which has been in operation for many years. Examination of Yenisei River sediment samples revealed the presence of artificial radionuclides typical of radioactive discharge from the Mining-and-Chemical- Combine (MCC) nuclear facility: isotopes of europium ( 152Eu, 154Eu, and 155Eu), caesium ( 137Cs and 134Cs), 60Co, 90Sr, and transuranium elements. Maximum radionuclide concentrations in sediments remained high as far as 240 km downstream of the MCC. In sediment cores collected upstream of the MCC, ?-spectrometric measurements registered only one artificial radionuclide, 137Cs, with a maximum activity of approx. 8 Bq kg -1 dry mass. Sediments of the Yenisei River also contain natural radionuclides. Sedimentation rates in several sections of the Yenisei River were determined using, different approaches: the 210Pb dating method and the ratios of artificial radionuclides - 137Cs/ 60Co and 152Eu/ 154Eu. With increasing distance downstream of the city of Krasnoyarsk, sedimentation rates increased from 0.88 cm year -1 to 1.30-1.51 cm year -1. Copyright В© 2010 IAHS Press.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, 660036, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bolsunovsky, A.; Dementyev, D.

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2.


   
    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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3.


   
    Biodiesel production from sediments of a eutrophic reservoir / A. Kuchkina [et al.] // Biomass and Bioenergy. - 2011. - Vol. 35, Is. 5. - P2280-2284, DOI 10.1016/j.biombioe.2011.02.047 . - ISSN 0961-9534
Кл.слова (ненормированные):
Biodiesel -- Dredging sediments -- Eutrophic reservoir -- Fatty acids -- Lipids -- Bio-diesel fuel -- Biodiesel production -- Cetane number -- Dry weight -- EN 14214 -- Eutrophic reservoirs -- Heat of combustion -- High price -- Iodine number -- IS costs -- Lake restoration -- Lipid content -- Production cost -- SIBERIA -- Anoxic sediments -- Biodiesel -- Costs -- Diesel fuels -- Eutrophication -- Fatty acids -- Iodine -- Lipids -- Reservoirs (water) -- Sedimentology -- Synthetic fuels -- Thermochemistry -- Dredging -- biofuel -- combustion -- dredging -- environmental restoration -- eutrophic environment -- iodine -- lacustrine deposit -- lipid -- production cost -- reservoir -- Bugach Reservoir -- Krasnoyarsk [Russian Federation] -- Russian Federation
Аннотация: Sediments from eutrophic reservoir Bugach (Siberia, Russia) were tested for possibility to produce biodiesel. We supposed that the sediments could be a promising biodiesel producer. The major reason of high price of biodiesel fuel is cost of a raw material. The use of dredging sediments for biodiesel production reduces production costs, because the dredging sediments are by-products which originated during lake restoration actions, and are free of cost raw materials. Lipid content in sediments was 0.24% of dry weight. To assess the potential of from sediments as a substitute of diesel fuel, the properties of the biodiesel such as cetane number, iodine number and heat of combustion were calculated. All of this parameters complied with limits established by EN 14214 and EN 14213 related to biodiesel quality. В© 2011 Elsevier Ltd.

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

Доп.точки доступа:
Kuchkina, A.; Gladyshev, M.I.; Sushchik, N.N.; Kravchuk, E.S.; Kalachova, G.S.

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