Phosphorus concentration by sorbents based on polyacrylonitrile fiber modi ed with iron(III) hydroxide

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Abstract

The resu lts of phosphorus recovery by sorbents of our production on the base of polyacrylonitrile ber modi ed with iron(III) hydroxide from solutions with di erent pH were presented. The phos phorus degree of recovery, the dynamic exchange capacity, and the total dynamic exchange capacity of sorbents for phosphorus have been established. The output curves of phosphorus sorption were constructed, and the results of a study of the sorption physicochemical regularities (isotherm and kinetics) were presented. The sorption e ciency of 32P and 33P from rainfall samples using sorbents based on polyacrylonitrile ber modi ed with iron(III) hydroxide was evaluated. Monitoring of 32P, 33P in atmospheric fallout of the Sevastopol region was carried out.

About the authors

M. A. Frolova

Sevastopol State University

N. A. Bezhin

Sevastopol State University

Email: nickbezhin@yandex.ru

O. N. Kozlovskaia

Sevastopol State University

I. G. Tananaev

Sevastopol State University;PA «Mayak»;Tananaev Institute of Chemistry FRC Kola Science Center RAS

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