Experimental study of migration mobility of microelements in bottom sediments of Ivankovo reservoir

Авторы: Grishantseva E.S., Alekhin Yu V.
Журнал: Experiment in GeoSciences
Том: 27
Номер: 1
Год издания: 2021
Первая страница: 111
Последняя страница: 114
Аннотация: Here we describe the results of a study on the relative migration mobility of trace elements in bottom sediments and a silty fraction from bottom sediments of the Ivankovo Reservoir at the conditions of inflow of contaminated surface waters. Examination of the sorption properties of bottom sediments of the Ivankovo Reservoir which is a source of drinking water for the city of Moscow is of great ecological and practical importance and would help to evaluate the possibility of secondary contamination of surface waters. To study the migration mobility of trace elements in laboratory conditions, we carried out a series of dynamic experiments, when bottom sediments in an undisturbed composition and a silty fraction isolated from bottom sediments were employed as chromatographic adsorption-deposition columns through which the adjacent surface waters of both natural composition and contaminated with microelements were filtered. This allowed us to plot the adsorption-desorption curves and obtain the series of mobility of a large number of trace elements from bottom sediments and the silty fraction of bottom sediments.
Добавил в систему: Гришанцева Елена Сергеевна

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