Deodorization method

Details Deodorization method Deodorization method

1979-10-11

1981-03-17

Richman, Barry

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

A gas is substance acted upon

422 5, 422122, 422171, 423230, 423237, 423239, 423244, 423245, A61L 900

Patent

active

042567289

ABSTRACT:
A deodorization method which comprises allowing a bad-smelling gas containing (a) hydrogen sulfide and/or a mercaptan, (b) a sulfide and/or a disulfide and (c) ammonia and/or an amine to contact (1) firstly with activated carbon, (2) then with activated carbon or clay mineral having an acid supported thereon, and (3) subsequently with activated carbon in the presence of chlorine or bromine.

REFERENCES:
patent: 1716481 (1929-06-01), Bilsky
patent: 3116970 (1964-01-01), Storp et al.
patent: 3556716 (1971-01-01), Pollio et al.
patent: 4162209 (1979-07-01), Gomez et al.

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