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:
May. 19, 2015
Filed:
Feb. 28, 2014
Applicant:
Redox Technology Group, Llc, Carmel, IN (US);
Inventors:
Thomas P. McCullough, Carmel, IN (US);
Gary Joel Meyer, Indianapolis, IN (US);
Ralph E. Roper, Jr., Carmel, IN (US);
Anthony J. Kriech, Indianapoils, IN (US);
Assignee:
Redox Technology Group LLC, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/64 (2006.01); C01G 49/12 (2006.01); C09K 3/00 (2006.01);
U.S. Cl.
CPC ...
B01D 53/64 (2013.01); C01G 49/12 (2013.01);
Abstract
A ferrous sulfide suspension that includes at least FeSm and Al(OH)and which can be used to reduce mercury emissions in flue gases. Through a combination of complex chemical reactions, precipitation, co-precipitation, and surface adsorption the ferrous sulfide suspension of the present invention effectively removes mercury from gaseous streams while concurrently preventing mercury re-emission.