AI Article Synopsis
- - The review examines various selective catalytic oxidation technologies and catalysts for effectively removing H2S, a harmful byproduct from fluid catalytic cracking (FCC) processes.
- - Current technologies highlighted include Superclaus, Euroclaus, Clinsulf-Do, BSR/Hi-Activity, Selectox, and Modop, each with distinct features and use cases.
- - Catalysts discussed encompass carbon, supported SiC, zeolite, oxide, and pillared clay, with current focus shifting towards SiC due to its potential, while other systems like zeolite are seeing reduced interest and pillared clay remains in early research phases.
Article Abstract
This review summarizes and discusses different selective catalytic oxidation technologies and various catalysts for removing H2S, the undesirable byproduct of the fluid catalytic cracking (FCC) processing. Currently the selective oxidation technologies used include Superclaus, Euroclaus, Clinsulf-Do, BSR/Hi-Activity, Selectox and Modop techniques, which have various characteristics and application areas. Catalysts for H2S selective oxidation mainly contain the following systems: carbon, supported SiC, zeolite, oxide, and pillared clay. Former studies focused on carbon and oxide systems. The research interest on zeolite system decreased in recent years, while SiC is regarded as a typical support with great potential for this reaction and continues to be attractive. Pillared clay system is at the preliminary research stage, and is still far from practical application.
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