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Details of Grant 

EPSRC Reference: GR/L07819/01
Title: REDUCTION OF CO2 AND SOX EMISSIONS BY REGENERATION OF CATALYTIC CRACKING CATALYST USING RECYCLED CO2
Principal Investigator: Towler, Dr G
Other Investigators:
Mann, Professor R
Researcher Co-Investigators:
Project Partners:
Department: Process Integration
Organisation: UMIST
Scheme: Standard Research (Pre-FEC)
Starts: 10 February 1997 Ends: 09 February 1998 Value (£): 32,782
EPSRC Research Topic Classifications:
Combustion
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Summary on Grant Application Form
Regeneration of catalytic cracking catalyst by burn-off in air creates 15,000 te/day of CO2 emissions and 850 te/day of SOx emissions in the UK (and roughly 25 times this amount worldwide). If CO2 substituted for air as the oxidant then the sulphur oxides are converted to H2S, which can be recovered and converted to useful elemental sulphur and hydrogen. Hydrogen present in the catalyst coke can also be recovered, permitted integration between catalyst regeneration and hydrogen production that leads to elimination of CO2 emissions. There may also be improvements in catalyst life and other savings. The proposed research will investigate the kinetics of the reaction between catalyst coke and CO2 to determine the feasibility of this process.
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