Catalytic removal of sulphur-containing compounds from fluid str

Details Catalytic removal of sulphur-containing compounds from fluid str Catalytic removal of sulphur-containing compounds from fluid str

1988-06-07

1991-07-09

Russel, Jeffrey E.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423224, 423571, 4235762, C01B 1704, C01B 1706

Patent

active

050304372

ABSTRACT:
This invention provides a catalyst and method for removing sulphur compounds from a fluid stream and decomposing such compounds to produce sulphur. Sour natural gas can be sweetened effectively by this invention, and sulfur can be prepared thereby. The invention employs a catalyst containing an alkali metal sulfide and sulfides(s) or selenide(s) of metal(s) showing polyvalent and/or amphoteric character, e.g. Zn, etc. The catalyst is generally impregnated on a microporous type support (e.g., alumina) and is capable of providing reactive oxygen. Its activity is sustained by exposure to small amounts of oxygen either while decomposing the sulphur compound, or thereafter.

REFERENCES:
patent: 2559324 (1951-07-01), Spillane
patent: 2559325 (1951-07-01), Spillane
patent: 2979384 (1961-04-01), Weiner et al.
patent: 3939250 (1976-02-01), Michel et al.
patent: 4039613 (1977-08-01), Kotera et al.
patent: 4438218 (1984-03-01), Boorman et al.

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