C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/332
C01B 17/04 (2006.01)
Patent
CA 1185768
A B S T R A C T . PROCESS FOR THE PRODUCTION OF ELEMENTAL SULPHUR Production of elemental sulphur from H2S-containing gases according to a Claus-type process having a thermal zone in which these gases are combusted with a free oxygen-containing gas, followed by one or more catalytic zones in which H2S and S02 react together to form elemental sulphur, in which process at least a portion of the free oxygen-containing gas and/or of the H2S-containing gases is pre-heated by means of indirect heat exchange with off-gases obtained by incineration of combustible sulphur compounds-containing waste gases.
396186
Shell Canada Limited
Smart & Biggar
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