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:
Mar. 30, 1993
Filed:
Sep. 13, 1991
Applicant:
Inventors:
William J Knebel, Mars, PA (US);
Utpal Sengupta, Wexford, PA (US);
N R Pollack, Pittsburgh, PA (US);
Gilbert Palmgren, Pittsburgh, PA (US);
Assignee:
Calgon Carbon Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 28 ; 55 59 ; 55 62 ; 55 68 ; 55 74 ; 55179 ; 55387 ;
Abstract
Apparatus and methods are disclosed for removing organic compounds from gas streams containing same in which the gas stream is directed through a number of graded bed adsorbers. The graded bed adsorbents are regenerated in situ by using a heated regeneration which is produced from a cooled flue gas formed by combustion of a fuel gas and the thermal oxidation of desorbed organic compounds collected during the regeneration process.