August 2008

Process Developments

Rethink the handling of acid gases

Consider these guidelines to improve management of hydrogen sulfide in your refinery

Chakravorty, S. L., Oil Industry Safety Directorate

Processing "opportunity" feedstocks require refiners to manage greater volumes of hydrogen sulfide (H2S). Careful considerations in the design and operations of processing must address vulnerabilities to H2S—a toxic compound. Several presented methods will discuss risk-reduction approaches when handling HS-containing streams. Unwanted byproduct. Hydrogen sulfide is evolved from all stages of petroleum refining. The major objectives in petroleum refining result in concentrating H2S in different streams, including: Processing opportunity high-sulfur content feedstocks to improve refining margins Meeting quality specifications for liquefied petroleum gas (LPG), gasoline, low-sul

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