H₂S to Sulphur Conversion

Shell Catalysts & Technologies’ Thiopaq O&G process is a biological gas desulphurisation process that integrates gas purification with sulphur recovery. 

Sulphur Recovery

Our reliable and robust operations with Claus, SCOT, sulphur degassing and THIOPAQ O&G sulphur recovery technologies secure gas production.

Tail Gas Treating

Shell Catalysts & Technologies’ offers a wide range of tail gas treatment options including Shell’s trademarked SCOT process, CANSOLV, and other TGTU’s.


Gas absorptions solutions that help meet product specifications and restrictive emissions limits within a lower cost structure.

Claus Process

Shell Catalysts & Technologies supports industry-leading sulphur recovery and generation of compliant gas and oils with claus off gas treating.

SO₂ Scrubbing System

Cost-effective and reliable sulphur degassing while meeting more demanding sulphur dioxide (SO2) emission requirements.