Thiuram polysulfide heavy metal remover

Details Thiuram polysulfide heavy metal remover Thiuram polysulfide heavy metal remover

1974-07-12

1976-04-20

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

55 72, C02B 142

Patent

active

039517900

ABSTRACT:
A polymeric compound having thiuram mono- or poly-sulfide linkage shows noteworthy property for removing and collecting heavy metals from the environment. Especially, said compound can remove mercury, in any form, from the environment effectively. On the other hand, said compound shows ability to selectively recover some kinds of heavy metals by the selection of appropriate conditions.

REFERENCES:
patent: 3040003 (1962-06-01), Beaman
patent: 3213105 (1965-10-01), Gruber
patent: 3236816 (1966-02-01), Caldwell
patent: 3240764 (1966-03-01), Beaman
patent: 3261816 (1966-07-01), Boogaart
patent: 3428448 (1969-02-01), Bank
patent: 3448169 (1969-06-01), Wagner
patent: 3594355 (1971-07-01), Vandenberg
patent: 3637574 (1972-01-01), Millen
patent: 3728103 (1973-04-01), Lishevskaya
patent: 3755161 (1973-08-01), Yokota
patent: 3796787 (1974-03-01), Burrows
Hackh's Chemical Dictionary, McGraw Hill Book Co., 1969, p. 678.

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