SYNTHESIS AND PROPERTIES OF THE COMPOSITE SORBENTS ON THE BASIS OF ALUMOSILICATES SEPARATED FROM THE CLAY-SALT SLIMES
Научная публикация
SYNTHESIS AND PROPERTIES OF THE COMPOSITE SORBENTS  ON THE BASIS OF ALUMOSILICATES SEPARATED FROM THE CLAY-SALT SLIMES
Автор(ы): L. N. Maskalchuk, A. A. Baklay, T. G. Leontieva, M. I. Lemutova
УДК: UDC 544.726.2:621.039.735
Год издания: 2012
Дата загрузки: 14.05.2014
Загрузил(а): Цылина И. А.

Описание:
The composite sorbent, including an active inorganic component (alumosilicates derived from clay- salt slimes) in the quantity of more than 80 wt % and the polymer binder (polyacrylamide) was ob- tained. The influence of various factors on its sorption and mechanical properties were studied. It is es- tablished that the content of polyacrylamide in the composite sorbent should be in the range of 10–15 wt %. It is shown that quasi-equilibrium of 137Cs in the system “sorbent – solution” is reached within 80 min. The distribution coefficient (Kd) is 2.4 · 104 cm3/g. The obtained data of kinetic parame- ters (diffusion coefficient and during sorption half-time) show that the received sorbent can be referred to sorbents with high rate of 137Cs sorption.

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Chemistry and Technology of Inorganic Materials and Substances