SORBENT MANUFACTURING METHOD Russian patent published in 2005 - IPC

Abstract RU 2257951 C1

FIELD: sorbents.

SUBSTANCE: invention relates to manufacture of sorbents based on modified silica and is meant, in particular, for manufacturing multifunctional sorbents that could be used in biotechnology and medicine as enterosorbents as well as for selectively recovering cations and anions from liquid media. Sorbent is prepared by modifying surface of dry silica with naturally occurring high-molecular weight compound, namely casein taken in amount 1-5% and preferably obtained via fractionation of milk in presence of 1-2% methylcellulose solution.

EFFECT: increased sorption capacity and selectivity.

4 cl, 2 tbl

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RU 2 257 951 C1

Authors

Vorob'Eva O.V.

Kunizhev S.M.

Anisenko O.V.

Fil' A.A.

Borodina T.N.

Dates

2005-08-10—Published

2004-05-17—Filed