B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/48 (2006.01) B01D 53/04 (2006.01) B01D 53/52 (2006.01) B01D 53/86 (2006.01) B01J 23/745 (2006.01) C07C 7/148 (2006.01) C10K 1/20 (2006.01) C10L 3/00 (2006.01)
Patent
CA 2120046
The present invention provides a method for separately removing mercaptans and hydrogen sulfide from a gas stream by passing the gas through a bed which includes iron oxide which catalyzes the formation of disulfides and trisulfides from mercaptans and also reacts with at least part of the hydrogen sulfide to form acid-stable solids; causing the di- and trisulfides to exit the bed in the gas phase; and removing and recovering the di- and trisulfides by adsorption or condensation. Any remaining hydrogen sulfide may be scavenged from the gas stream by passage through a bed containing iron oxide similar to that used first above.
Fox Irwin
Samuels Alvin
M-I L.l.c.
Riches Mckenzie & Herbert Llp
LandOfFree
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