B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
23/344, 252/47,
B01J 23/72 (2006.01) B01D 53/52 (2006.01) B01J 21/04 (2006.01) B01J 23/18 (2006.01) B01J 23/843 (2006.01)
Patent
CA 1125731
ABSTRACT OF THE DISCLOSURE A process for reducing the total sulphur content of Claus process off-gas is described. The reduction is achieved by using in the oxydation step a catalyst comprising 0.6% to 10 by weight bismuth, and 0.5 to 5% by weight copper, based on the total weight of the catalyst in which catalyst the weight percent- age of bismuth exceeds the weight percentage of copper. Conveni- ently the catalyst is used on a support, such as alumina or silica.
294517
Shell Canada Limited
Smart & Biggar
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