Extraction of elemental sulphur from sulphur compound gases

Details Extraction of elemental sulphur from sulphur compound gases Extraction of elemental sulphur from sulphur compound gases

C - Chemistry, Metallurgy

01

B

23/330

C01B 17/04 (2006.01)

Patent

CA 1205979

- 34 - ABSTRACT OF THE DISCLOSURE Hydrogen sulphide is extracted from a supply gas as elemental sulphur using a reactor comprising a vertical cylinder containing a downwardly moving bed of catalyst. Catalyst extracted at the bottom is elevated by a stream of the supply gas in an unheated condition and is cooled by contact with the gas and subsequently by contact with supply air to a temperature of the order of 150° F for injection into the top of the cylinder. The cylinder is free from restrictions to catalyst movement. A plurality of slip stream condensers arranged seriatim along the length of the cylinder each act to extract 60% of the total gas flow upwardly in the cylinder and return the extracted gas downstream of the next adjacent ex- traction point so that the whole of the gas is extracted into one or more condensers for condensation of the sul- phur formed on the catalyst.

431806

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