Immobilization of bacterial cells or sludge using chitosan...

Details Immobilization of bacterial cells or sludge using chitosan... Immobilization of bacterial cells or sludge using chitosan...

C - Chemistry, Metallurgy

12

N

C12N 11/04 (2006.01) C02F 3/34 (2006.01)

Patent

CA 2216322

The invention disclosed relates to a method for the immobilization of biologically active materials e.g. bacteria, in a polymeric gel matrix, comprising chitosan and lignosulphonate. Also disclosed is a method for the purification of wastewater containing biodegradable polychloronated hydrocarbons e.g. polytetrachloroethylene, in which immobilized anaerobic sludge is employed.

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