C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/331, 23/385
C01B 17/04 (2006.01)
Patent
CA 1219430
ABSTRACT The invention relates to a process for the burning of H2S-containing gases with air and/or oxygen to elementary sulphur and for the separation of the sulphur from the reaction gas, in a load range from 100 to 5%. The process is carried out in a burner-equipped combustion zone, a subsequent reaction zone and several cooling zones, in which the formed sulphur, optionally after previous re-heating and catalytic further transformation into sulphur, is condensed and then separated from the reaction gas. In a high-load range, the H2S-containing gases are passed into the combustion zone essentially by one or several main burners, and in a low-load range, the gases are passed to the combustion zone by a by-pass burner. In the low-load range heating gas is additionally burned by a separate burner and the cooling surfaces in the cooling zones, to which reaction gas is admitted, are reduced.
425036
Davy Mckee Aktiengesellschaft
Mccarthy Tetrault Llp
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