The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2013
Filed:
Aug. 30, 2012
William A. Steen, Austin, TX (US);
John E. Currie, Round Rock, TX (US);
Gary M. Blythe, Austin, TX (US);
Jennifer L. Paradis, Austin, TX (US);
David W. Deberry, Austin, TX (US);
Judith Gres Deberry, Austin, TX (US);
William A. Steen, Austin, TX (US);
John E. Currie, Round Rock, TX (US);
Gary M. Blythe, Austin, TX (US);
Jennifer L. Paradis, Austin, TX (US);
David W. DeBerry, Austin, TX (US);
URS Corporation, Austin, TX (US);
Abstract
An improvement in the method for preventing re-emissions of mercury from a wet flue gas desulfurization (FGD) system by addition of an additive to the FGD scrubber liquor which interacts in the system scrubber with mercury present in the flue gas to curtail the mercury re-emissions; the mercury re-emissions are reduced to substantially zero by use of an additive selected from one or more members of the group consisting of a dithiol, a dithiolane, and a thiol having a single thiol group and either an oxygen or a hydroxyl group.