METHOD OF PREPARING BIOSORBENTS Russian patent published in 1997 - IPC

Abstract RU 2079358 C1

FIELD: biotechnology. SUBSTANCE: biosorbents with polyampholitic properties are prepared from microorganism biomass and may be used to remove from solutions radionuclides and heavy metal ions both in cation and anion forms. Biomass is preliminarily heat treated to 5-30 wt % loss in dry substance and then treated with 0.1-1.25 N alkali solution until solution is decolorized. EFFECT: improved preparation procedure. 1 tbl

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RU 2 079 358 C1

Authors

Miroshnikov A.I.

Kogtev L.S.

Kirillova L.N.

Murav'Eva M.B.

Dates

1997-05-20Published

1994-10-26Filed