Claus process
chemistry
Quick Summary
The Claus process is a chemical method used to convert hydrogen sulfide into elemental sulfur through oxidation with air. This process is significant in petroleum refining, where hydrogen treatment removes sulfur impurities from crude oil, converting them into hydrogen sulfide. The recovered hydrogen sulfide is then a valuable source for producing high-purity elemental sulfur. The Claus process is named after C. F. Claus, an English chemist who helped develop it.12
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