Abstract: The invention relates to the use of used alumina to reduce the level of inorganic contaminants, such as mercury and arsenic, from waste fluid streams. The invention further provides a process for reducing the level of mercury or arsenic in fluid streams by contacting the fluid stream with used alumina, such as used Claus catalyst.
Type:
Grant
Filed:
February 1, 2008
Date of Patent:
January 20, 2009
Assignees:
Mar Systems LLC., The United States of America as represented by the Administration of the U.S. Environmental Protection Agency
Inventors:
Claude Kennard, Michael A. Gonzalez, David C. Szlag
Abstract: The invention relates to the use of used alumina to reduce the level of inorganic contaminants, such as mercury and arsenic, from waste fluid streams. The invention further provides a process for reducing the level of mercury or arsenic in fluid streams by contacting the fluid stream with used alumina, such as used Claus catalyst.
Type:
Grant
Filed:
February 1, 2008
Date of Patent:
November 11, 2008
Assignees:
MAR Systems, LLC., The United States as represented by the Administrator of the U.S. Environmental Protection Agency
Inventors:
Claude Kennard, Michael A. Gonzalez, David C. Szlag
Abstract: The invention relates to the use of used alumina to reduce the level of inorganic contaminants, such as mercury and arsenic, from waste fluid streams. The invention further provides a process for reducing the level of mercury or arsenic in fluid streams by contacting the fluid stream with used alumina, such as used Claus catalyst.
Type:
Grant
Filed:
October 29, 2004
Date of Patent:
March 11, 2008
Assignees:
MAR Systems, LLC, The United States of America as represented by the Administrator of the U.S. Environmental Protection Agency
Inventors:
Claude Kennard, Michael A. Gonzalez, David C. Szlag
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