The modified Claus process is the most common method for recovery of elemental sulfur from hydrogen sulfide in oil and natural gas refinery units.The Claus process is based on the combustion of part of the H2S to SO2 in the thermal section and the subsequent reaction between the remaining H2S and SO2 in the catalytic section, produced elemental sulfur. GAHARCERAM provides various modified catalysts for Sulfur Recovery, product line includes activated alumina, titania, alumina/titania composite, and active bed supports
Sulfur Recovery Unit Catalysts
GCat-110
GCat-110 is activated alumina of transition phases available in the spherical shape having excellent porosity structure to ensure maximum activity for Claus reaction.It’s used for sulfur recovery unit as Claus reaction catalyst. It provides high conversion of H2S/SO2, COS and CS2 due to its alumina phases and excellent porosity structure
GCat-120
It is iron promoted activated alumina beads used in the spherical shapeis used in dual bed Sulfur Recovery Unit (SRU) to avoid sulfate poisoning of bottom bed catalysts. GCat-120 loaded on top of the second or third converter (30 % of the total catalyst volume) and in TGT sub-dew point processes protects efficiently the alumina-based Claus catalyst against sulfate poisoning due to excess oxygen coming from main or auxiliary burners. GCat-120 ensures higher conversion and longer life time for dual catalytic bed
GCat-130
GCat-130 is a promoted titanium based catalyst available in white extrude shape. It’s used in Sulfur Recovery Unit (SRU). It has a high thermal stability and high hydrolysis activity for COS and CS2 in Claus reaction. GCat-130 is recommended for all types of H2S concentration as well as direct oxidation and lean gas treatment and TGT process. GCat-130 can be used in the first converter to promote COS and hydrolysis reaction, and also in the second and third converters to improve Claus