BASF DD-831 Claus Catalyst

BASF DD-831 is made up of spheres of promoted activated alumina with large surface areas and specifically engineered pores. Often used in combination with BASF DD-431 activated alumina, this product can catalyze the Claus process. The Claus process converts undesirable hydrogen sulfide and other compounds to elemental sulfur.

Chemical Formula:  Al2O3 + promoter

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Product Data Sheet:

Safety Data Sheet:



BASF DD-831 Claus Catalyst Available Products:

Product Adsorbent Size
BASF DD-831 Activated Alumina 3/16″

Promoted alumina catalysts are part of the BASF Claus catalyst product line. BASF offers the most extensive line of Claus catalysts in the industry.


  • Improved resistance to deactivation from sulfation in all phases of the Claus process
  • Better COS decomposition in the 1st catalytic converter
  • Effective catalyst life can be prolonged by a factor of 3

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Additional information


Store BASF DD831 CLAUS CATALYST in a dry location to prevent premature water adsorption. Do not store super sacks outside; ultraviolet radiation and other adverse conditions will negatively impact its integrity and may eventually cause the bag to fail. Reseal packages after opening to prevent contamination and unintended water adsorption. We recommend that you rotate stock so the oldest material is used first.

Typical Applications

Claus Process

Packing Information

Bags: 25 kg / 50 lb
Drums: 170 kg
Super Sacks: Fill weight to order specification