Commercial Bulletin

Active Guards for Sulfur Recovery Units

SulShine™ AM, AMS & CSM 31

Thumb_Axens_CB_SulShine_AM_AMS_CSM31_2022_EN

Axens, the world leading premium Claus catalyst supplier, offers the most effective sulfur recovery titania-based catalysts of the market for meeting the needs of every Claus system.

 

The most recent R&D findings are that a limited amount of sulfate on the catalyst surface is necessary for the Claus reaction to take place.

The sulfation reaction, whose mechanism is complicated, occurs naturally during conversion of H₂S and SO₂ in the Claus process. However, excessive oxygen in the feed results in bulk sulfate formation that eventually poisons the catalyst.

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