A method and system for removing hydrogen sulfide from a hot gas. In a moving bed absorber, sulfur compounds in the hot gas moving in a direction which is countercurrent to the direction of movement of the movable bed of metal oxide, react with metal oxide to form metal sulfide. The metal sulfide is...http://www.google.com.au/patents/US4857285?utm_source=gb-gplus-sharePatent US4857285 - Method and system for removal of sulfur compounds from gases and for regenerating spent sorbents