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Title: Sulfur Recovery: Stretford Technology Investigation
Author: J. m. EVANS,P. J. Murin,
Source: American Gas Association 1985
Year Published: 1985
Abstract: Of the multitude of processes designed to recover sulfur in a relatively pure form, two are eminent today: The Claus Process and the Stretford Process. Claus units in U.S. refineries alone produced over 5,000 long tons of sulfur per day in 1983, while Claus plants in U.S. natural gas sweetening plants produced more than 20,000 long tons of sulfur per day.2 By contrast, the 100 to 120 Stretford and Beavon plants currently operating worldwide produced just over 1,000 long tons of sulfur per day. Nevertheless, Stretford is the second most popular sulfur recovery process being built today. It is also used for final tail gas clean-up on many Claus plants built in the U.S. (as the Beavon technology) to meet sulfur emission regulations. Stretford has been the predominant sulfur recovery process used or proposed for synfuel pilot, demonstration and commercial plants, and also for synfuel feasibility design projects.

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