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. 24, 1988
Filed:
Aug. 27, 1984
Applicant:
Inventors:
Virgil J Barczak, Oklahoma City, OK (US);
John O Bodman, Oklahoma City, OK (US);
John A Campbell, Oklahoma City, OK (US);
Assignee:
Kerr-McGee Coal Corporation, Oklahoma City, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C01B / ; F23J / ; F23B / ;
U.S. Cl.
CPC ...
423244 ; 110343 ; 110345 ;
Abstract
The present invention contemplates a process for reducing the gaseous sulfur dioxide content of flue gases by either or both preheating coal prior to burning the preheated coal and controlling the combustion temperature level to control the amount of sulfur being converted to sulfates and remaining in the ash residue.