Method for recovering sulfur from a feed gas stream...

Details Method for recovering sulfur from a feed gas stream... Method for recovering sulfur from a feed gas stream...

C - Chemistry, Metallurgy

01

B

23/332, 23/385

C01B 17/04 (2006.01) B01D 53/34 (2006.01)

Patent

CA 1312447

- 1 - ABSTRACT OF THE DISCLOSURE In a process for recovering sulphur from a typically relatively concentrated gaseous stream of hydrogen sulphide, the stream is reacted with pure oxygen or oxygen-enriched air in a furnace 2 to form 8 gas mixture including hydrogen sulphide and sulphur dioxide. The hydrogen sulphide and sulphur dioxide then react to form sulphur vapour and water vapour. The temperature of the gases in the furnace 2 is controlled by introducing into the gases a quenchant. The quenchant is preferably liquid water although other liquid quenchants may be employed. Alternatively a vaporous quenchant stream comprising at least 80% by volume of steam is employed. The process enables relatively high rates of formation of sulphur vapour to be achieved for a given furnace volume. MW/NJP/8515 USA 26.3.86

506416

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