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Method for scavenging mercury

United States Patent

July 13, 2010
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
Disclosed herein is a method for removing mercury from a gas stream comprising contacting the gas stream with a getter composition comprising bromine, bromochloride, sulphur bromide, sulphur dichloride or sulphur monochloride and mixtures thereof. In one preferred embodiment the getter composition is adsorbed onto a sorbent. The sorbent may be selected from the group consisting flyash, limestone, lime, calcium sulphate, calcium sulfite, activated carbon, charcoal, silicate, alumina and mixtures thereof. Preferred is flyash, activated carbon and silica.
Chang; Shih-ger (El Cerrito, CA), Liu; Shou-heng (Kaohsiung, TW), Liu; Zhao-rong (Bejing, CN), Yan; Naiqiang (Burkeley, CA)
The Regents of the University of California (Oakland, CA)
12/ 355,151
January 16, 2009
STATEMENT OF GOVERNMENTAL SUPPORT This invention was made during work supported by U.S. Department of Energy under Contract No. DE-AC03-76SF00098. The government has certain rights in this invention.