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:
Nov. 22, 1977
Filed:
Mar. 17, 1975
Applicant:
Inventor:
Neville L Cull, Baker, LA (US);
Assignee:
Exxon Research & Engineering Co., Linden, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 73 ; 55 74 ; 423244 ;
Abstract
Sulfur dioxide is removed from flue gases by contacting the flue gas at elevated temperature with a sorbent comprising a shaped refractory substrate of low surface area and an adherent oxide film impregnated with a transition metal or metal oxide which is selective for the removal of sulfur oxide from gas mixtures on the external surface of the substrate. A technique for laying down the adherent oxide film on the refractory substrate is also disclosed.