Method and catalyst for removing mercaptans and mercaptide compo

Details Method and catalyst for removing mercaptans and mercaptide compo Method and catalyst for removing mercaptans and mercaptide compo

1975-03-03

1976-09-14

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252430, 252431N, 260250BC, 260270T, B01J 3118

Patent

active

039805824

ABSTRACT:
Disclosed is a catalyst and method for converting mercaptans and mercaptide compounds in aqueous alkaline solution to disulfides. Catalytic agent is metal compound of tetrapyridinoporphyrazine (TPPA) preferably impregnated on an inert granular support. Method comprises contacting mercaptans and mercaptide compounds in aqueous alkaline solution with air in the presence of the catalyst and subsequently separating alkaline solution from the resultant disulfide compounds.

REFERENCES:
patent: 2337232 (1943-12-01), Daly
patent: 2951797 (1960-09-01), Sharp
patent: 3109800 (1963-11-01), Sharp
patent: 3658721 (1972-04-01), Tamaru et al.

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