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Gas/liquid treatment and sulphur recovery
Shell’s suite of technology offerings for hydrotreating, sulphur recovery and sulphur recovery tail gas treating has been expanded to include liquid product desulphurisation capability and end of pipe flue gas desulphurisation technologies.
Gas/liquid treatment and sulphur recovery
Dave Clark (General Manager Process, Refining and Chemical Licensing, Shell Global Solutions International B.V.) and Rick Birnbaum (Cansolv Technology Sales Manager, Shell Chemicals Americas Inc) compare and contrast how these new additions to Shell’s technologies can be exploited.
The world is increasingly dominated by high sulphur, heavier crudes and a changing product mix. Tighter product specifications and more stringent environmental regulations, require refiners to adjust their sulphur management strategies, introduce new sulphur recovery solutions and upgrade existing refineries.
Effective sulphur recovery is a vital tool for optimising environmental performance in refinery operations. Shell has provided high-level sulphur recovery unit (SRU) designs for many years based on the Shell Claus Off-gas Treating (SCOT) system. The SCOT process allows conversion of over 99.9% of the sulphur compounds fed to the SRU to elemental sulphur. New features in the SCOT Process allow it to consume less energy through better catalyst systems and to treat to lower concentrations of H2S in the treated gas through better amine management.