A method has been developed that allows direct, accurate calculation of recovery efficiency for Claus sulfur-recovery units (SRU). The calculation combines feed-gas data and tail-gas composition to ...
HOUSTON, June 6-- Sinopec Engineering Inc. of China has awarded Siirtec Nigi SPA, Milan, a contract to revamp the sulfur recovery units of two Iranian refineries. Siirtec will supply the basic ...
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