Process for recovering heavy metal using insoluble starch-xantha

Details Process for recovering heavy metal using insoluble starch-xantha Process for recovering heavy metal using insoluble starch-xantha

1979-09-14

1980-12-09

Castel, Benoit

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 38B, 210 46, 210 75, B01D 1504

Patent

active

042383293

ABSTRACT:
A precoat layer comprising a mixture of insoluble starch-xanthate and a filter-aid is deposited on a filter leaf through which a solution containing a heavy metal flows in a continuous stream and insoluble starch-xanthate and filter-aid are continuously added upstream of the precoat layer.

REFERENCES:
patent: 3250703 (1966-05-01), Levendusky
patent: 3947354 (1976-03-01), Swanson et al.
patent: 3979286 (1976-09-01), Wing et al.
patent: 4007301 (1977-02-01), De Martino
patent: 4051316 (1977-09-01), Wing et al.

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