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

1976-09-30

1978-01-17

Crasanakis, George

Mineral oils: processes and products

Refining

Sweetening

260608, C10G 2706, C10G 1902, C07C14900

Patent

active

040691381

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 3,4-tetrapyridinotetraazaporphine (3,4-TPTAP) 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: 2853432 (1958-09-01), Gleim et al.
patent: 2921020 (1960-01-01), Urban et al.
patent: 3923645 (1975-12-01), Anderson, Jr. et al.

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