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:
Oct. 10, 1989
Filed:
Feb. 08, 1989
Applicant:
Inventors:
William R Epperly, New Canaan, CT (US);
James C Sullivan, Norwalk, CT (US);
Barry N Sprague, Bethlehem, CT (US);
Assignee:
Fuel Tech, Inc., Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423235 ;
Abstract
A process is presented for the reduction of nitrogen oxides in the effluent from the combustion of a carbonaceous fuel. The process comprises introducing a treatment agent which comprises an ammonium salt selected from the group consisting of triammonium citrate and ammonium formate into an effluent at an effluent temperature of below 1300.degree. F.