Tail Gas Treatment Catalysts Special CoMo-based catalysts for reductive ail as treatment (TGT) technologies.

To further increase recovery yields, tail gas leaving the Claus section can be treated using different processes.


Axens Offer

Axens offers dedicated products for sub-dewpoint applications or hydrogenation process where sulfur species are reduced back to H2S and recycled to the Claus section inlet. These optimized catalysts help reaching the ever-increasing stringent specification on sulfur emissions from the gas plant.

Axens special CoMo-based catalysts combine excellent activity for the hydrolysis and hydrogenation of Sx, SO2, COS and CS2 with CO-shift conversion.

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Claus Catalysts

Promoting the Claus reaction kinetic while avoiding pore blockage in the catalyst is key to sulfur recovery maximization.


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