Patents by Inventor Naiqiang Yan

Naiqiang Yan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for scavenging mercury
    Patent number: 8007749
    Abstract: 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 of flyash, limestone, lime, calcium sulphate, calcium sulfite, activated carbon, charcoal, silicate, alumina and mixtures thereof. Preferred is flyash, activated carbon and silica.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: August 30, 2011
    Assignee: The Regents of the University of Calfornia
    Inventors: Shih-Ger Chang, Shou-Heng Liu, Zhao-Rong Liu, Naiqiang Yan
  • METHOD FOR SCAVENGING MERCURY
    Publication number: 20100272621
    Abstract: 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 of flyash, limestone, lime, calcium sulphate, calcium sulfite, activated carbon, charcoal, silicate, alumina and mixtures thereof. Preferred is flyash, activated carbon and silica.
    Type: Application
    Filed: June 2, 2010
    Publication date: October 28, 2010
    Inventors: Shih-ger CHANG, Shou-heng LIU, Zhao-rong LIU, Naiqiang YAN
  • Method for scavenging mercury
    Patent number: 7754170
    Abstract: 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.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: July 13, 2010
    Assignee: The Regents of the University of California
    Inventors: Shih-ger Chang, Shou-heng Liu, Zhao-rong Liu, Naiqiang Yan
  • METHOD FOR SCAVENGING MERCURY
    Publication number: 20090155149
    Abstract: 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.
    Type: Application
    Filed: January 16, 2009
    Publication date: June 18, 2009
    Inventors: Shih-ger CHANG, Shou-heng Liu, Zhao-rong Liu, Naiqiang Yan
  • Method for scavenging mercury
    Patent number: 7479263
    Abstract: 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 of flyash, limestone, lime, calcium sulphate, calcium sulfite, activated carbon, charcoal, silicate, alumina and mixtures thereof. Preferred is flyash, activated carbon and silica.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: January 20, 2009
    Assignee: The Regents of the University of California
    Inventors: Shih-ger Chang, Shou-heng Liu, Zhao-rong Liu, Naiqiang Yan
  • Method for scavenging mercury
    Publication number: 20060057044
    Abstract: 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 of flyash, limestone, lime, calcium sulphate, calcium sulfite, activated carbon, charcoal, silicate, alumina and mixtures thereof. Preferred is flyash, activated carbon and silica.
    Type: Application
    Filed: April 7, 2005
    Publication date: March 16, 2006
    Inventors: Shih-ger Chang, Shou-heng Liu, Zhao-rong Liu, Naiqiang Yan