Scot Shell Claus Off-gas Treatment
Scot Shell Claus Off-gas Treatment : A variation on the Claus process for removing hydrogen sulfide from gas streams, in which residual sulfur dioxide in the off-gases is reduced with methane or hydrogen and the resulting hydrogen sulfide is returned to the start of the process. Other features are the catalytic conversion of organic sulfur compounds to hydrogen sulfide, and the use of an alkanolamine for selectively absorbing this
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