Sulphur Recovery Analyzers

Sulphur Recovery” is the unit operation of converting H2S into elemental Sulphur by the “Modified Claus Process”. The source of the H2S can be Sulphur in refinery crude oil, converted to H2S in an upstream process. Hydrodesulferization” (the “HDS” unit where S + H2 converts to H2S). H2S as it exits in natural gas (already as H2S, no need for “HDS”). Elemental Sulphur in coal converted to H2S in coking / coal gasification. H2S as a byproduct in chemical plants, typically CS2 for rayon production. Upstream process of removing H2S is “Amine Treating”. Downstream process to reduce emission is “Tail Gas Treating. Emissions can also be reduced by “Enhanced Claus” Processes.