Method of biopolymeric sludge dewatering

Details Method of biopolymeric sludge dewatering Method of biopolymeric sludge dewatering

1985-07-08

1986-09-02

Wyse, Thomas

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210727, 210730, C02F 1114

Patent

active

046094709

ABSTRACT:
An improved method for dewatering aqueous sludge is disclosed comprising flocculating the sludge by the addition of effective amounts of chitosan and an organic dialdehyde such as glutaraldehyde to the sludge, which is also preferably acidified to about pH 6.0.

REFERENCES:
patent: 1892972 (1933-01-01), Urbain
patent: 3533940 (1970-10-01), Peniston et al.
patent: 4382864 (1983-05-01), Hashimoto et al.
V. J. McGahren et al., Process Biochem., 19, 88 (1984).
D. Knorr, Food Technology (Jan., 1984), pp. 85-97.
R. C. Baskerville et al., The Journal of the Institute of Water Pollution, 2, 3 (1968).

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