Removal of metal ions from solutions

Details Removal of metal ions from solutions Removal of metal ions from solutions

1989-03-17

1991-03-19

Wyse, Tom

Liquid purification or separation

Processes

Treatment by living organism

210688, 210912, C02F 332, C02F 162

Patent

active

050008528

ABSTRACT:
A process for the removal of heavy metal ions from water and means for efting such removal. The process is based on the growth of the water fern Azolla in solutions of water which contain such ions. Heavy metal ions can be efficiently removed from aqueous solutions by passing these through biomass of Azolla in comminuted form. Such columns also are part of the present invention.

REFERENCES:
patent: 4169050 (1979-09-01), Serfling et al.
patent: 4456532 (1984-06-01), Leslie et al.

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