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Tail Gas Treatment Catalysts

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

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

Axens special 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.

SulShine® TG 103

SulShine® TG 103 is the product of choice when mercaptans are present in the feed.

Characteristics CoMo, Al₂O₃
Shape Sphere
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Technical Data Sheet Safety Data Sheet

SulShine® TG 203

SulShine® TG 203 is a low-density product which helps minimizing the cost to fill for the TGT units while maintaining high hydrogenation performances.

Characteristics CoMo, Al₂O₃
Shape Sphere
Commercial Bulletin
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Technical Data Sheet Safety Data Sheet

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.

SulShine® TG 308

SulShine® TG 308 features a higher nickel and molybdenum content associated with promoted alumina carrier beads.

Characteristics NiMo
Shape Beads
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Technical Data Sheet Safety Data Sheet

SulShine® TG 107

SulShine® TG 107 features a higher cobalt and molybdenum content associated with promoted alumina carrier beads.

Characteristics CoMo, Al₂O₃
Shape Sphere
Commercial Bulletin
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Technical Data Sheet Safety Data Sheet

SulShine® TG 136

SulShine® TG 136 features a higher cobalt and molybdenum content associated with an extra high purity alumina trilobe extrudate carrier.

Characteristics CoMo, Al₂O₃
Shape Multilobe Extrudate
Commercial Bulletin
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Technical Data Sheet Safety Data Sheet
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Resources

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Insight

Sulfur Recovery, Recommended Route to Meet Environmental Specifications

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Insight

A Dedicated Products Portfolio For Natural Gas Processing

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Insight

Sulfur Recovery, Recommended Route to Meet Environmental Specifications

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Insight

A Dedicated Products Portfolio For Natural Gas Processing

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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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