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.
Conventional Temperature Operation
These catalysts, with high surface area, optimized pore structures and metal content, exhibit very high stability and crush strength.
TG 103 is the product of choice when mercaptans are present in the feed.
Low Temperature Operation
Reducing the inlet temperature to the hydrogenation reactor allows savings on the cost of fuel to fire these units. Maintaining high TGTU performance while lowering reaction temperatures requires extremely active catalysts. Axens’ high activity catalysts will allow reducing inlet temperatures below 220°C with no loss in performance.
TG 107 is a promoted spherical catalyst with highly dispersed active phase.
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Promoting the Claus reaction kinetic while avoiding pore blockage in the catalyst is key to sulfur recovery maximization.Discover
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