Heavy metal adsorbents of high selectivity, process for producti

Details Heavy metal adsorbents of high selectivity, process for producti Heavy metal adsorbents of high selectivity, process for producti

1980-05-30

1981-12-15

Cintins, Ivars C.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210694, 252428, B01D 1508

Patent

active

043058272

ABSTRACT:
A heavy metal adsorbent of high selectivity, a process for the production thereof, and an adsorption process using the heavy metal adsorbent are described; the adsorbent exhibits high adsorptivity particularly for mercury, and has excellent chemical stability, e.g., heat resistance and alkali resistance, and dimensional stability. This adsorbent is applicable, e.g., to the removal of mercury from waste water resulting from the washing of smoke in huge incineration stations, from saturated brine used in the sodium industry in an ion exchange membrane method, and so forth.

REFERENCES:
patent: 1922416 (1933-08-01), Block
patent: 3755161 (1973-08-01), Yokota et al.
patent: 3873581 (1975-03-01), Fitzpatrick et al.
patent: 4039446 (1977-08-01), Ban et al.
patent: 4070282 (1978-01-01), Otto

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