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:
Aug. 09, 1988
Filed:
Sep. 10, 1986
Applicant:
Inventors:
Eugene E Smeltzer, Salem Township, Westmoreland County, PA (US);
Michael C Skriba, Plum Boro, PA (US);
Keith K McDaniel, Ellicott City, MD (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ; G21F / ;
U.S. Cl.
CPC ...
252632 ; 100 38 ; 100 41 ; 100 92 ; 100 / ; 100 / ; 252628 ; 252629 ; 252631 ; 264-05 ; 2641761 ; 26417711 ;
Abstract
A process is described for reducing the volume of spent ion exchange resins containing radioactive contaminants, and a filter aid having groups reactive with the functional groups of the resins. Spent ion exchange resin and the filter aid are dewatered, then subject to a pressure of about 2000 psi in conjunction with 250.degree. C. heat to reduce the volume occupied by the resin by up to a factor of 5 and impart rewet stability.