Sulfur Recovery Unit (SRU)

Hydrogen sulfide (H₂S), along with other sulfur compounds such as COS, CS₂, etc., are byproducts from various refinery processes. Their removal and conversion into elemental sulfur, a valuable commercial product, is crucial not only for economic reasons but, more significantly, for environmental purposes. The sulfur recovery unit, specifically the Claus Sulfur Recovery Unit, assumes a pivotal role in a refinery’s sulfur management. Supported by additional units like tail-gas treating, it enables the refinery to adhere to the highest environmental standards concerning the emission of sulfur-containing gases.