Removal of heavy metals, especially lead, from aqueous systems c

Details Removal of heavy metals, especially lead, from aqueous systems c Removal of heavy metals, especially lead, from aqueous systems c

1990-05-25

1991-02-19

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210912, 210913, 210914, C02F 128

Patent

active

049941917

ABSTRACT:
A process for the removal of heavy metals such as lead, cadmium, zinc, chromium, arsenic and mercury from aqueous solutions containing one or more of said metals as well as competing ions such as calcium and/or magnesium by contacting said aqueous solution with a crystalline molecular sieve having the X-ray diffraction patterns of ETS-10 or ETAS-10.

REFERENCES:
patent: 2653089 (1953-09-01), Brooke
patent: 4711718 (1987-12-01), Nelson
patent: 4746439 (1988-05-01), Newman

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