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

1983-07-11

1985-03-12

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423230, 423574R, 422171, 422191, 422216, C01B 1704, B01J 812

Patent

active

045044597

ABSTRACT:
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.degree. 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 extraction point so that the whole of the gas is extracted into one or more condensers for condensation of the sulphur formed on the catalyst.

REFERENCES:
patent: 2767062 (1956-10-01), Duecker

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