Mercaptan conversion process

Details Mercaptan conversion process Mercaptan conversion process

1975-09-10

1977-07-05

Vertiz, O. R.

Mineral oils: processes and products

Refining

Sweetening

208207, C10G 1900

Patent

active

040338606

ABSTRACT:
A process is disclosed for the conversion of mercaptan compounds in a petroleum distillate which comprises contacting the petroleum distillate with caustic possessing a pH of from about 8 to a pH of about 10 to extract naphthenic acids, passing the naphthenic acid-free petroleum distillate to a charcoal bed to extract catalyst-toxin precursors and treating the resultant substantially toxin-precursor free petroleum distillate with an oxygen-containing gas atmosphere in the presence of a catalyst comprising a metal phthalocyanine compound dispersed on a solid support in a treatment medium possessing a pH of from about 9 to a pH of about 14.

REFERENCES:
patent: 947503 (1910-01-01), Utley
patent: 1484167 (1924-02-01), Allien
patent: 1556396 (1925-10-01), Allien
patent: 1747161 (1930-02-01), Clark
patent: 2794767 (1957-06-01), Gleim et al.
patent: 3192152 (1965-06-01), Maze et al.
patent: 3230180 (1966-01-01), Larson
patent: 3371031 (1968-02-01), Strong
patent: 3408287 (1968-10-01), Urban et al.

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