C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/336, 23/348,
C01B 17/04 (2006.01) B01D 53/86 (2006.01)
Patent
CA 1337069
This invention provides a 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 sulphur can be prepared thereby. The invention employs a catalyst that is capable of providing reactive oxygen. The catalyst is preferably formed by impregnating alkali metal sulfide and sulfides(s) or selenide(s) of metal(s) showing polyvalent and/or amphoteric character, e.g. Zn, etc. on a microporous type support (e.g., alumina). Its activity is sustained by exposure to sulphur dioxide or nitrogen peroxide and the like. A method is also described by which sulphur dioxide may be absorbed from flue gas and converted to sulphur.
614854
French David J.
Gunning Harry E.
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