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. 31, 1987
Filed:
May. 23, 1984
Applicant:
Inventors:
Masami Matsuda, Hitachi, JP;
Yoshiyuki Aoyama, Kanagawa, JP;
Fumio Kawamura, Hitachi, JP;
Hideo Yusa, Katsuta, JP;
Makoto Kikuchi, Hitachi, JP;
Shin Tamata, Hitachi, JP;
Susumu Horiuchi, Mito, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ; G21F / ;
U.S. Cl.
CPC ...
252629 ; 110237 ; 110342 ; 110346 ; 110344 ; 159D / ; 252626 ; 252632 ;
Abstract
A method of processing radioactive waste resin by pyrolyzing radioactive waste ion exchange resin generated in a nuclear plant such as a nuclear power station. First, the ion exchange resin is pyrolyzed at a low temperature, and the resulting decomposition gas is separated. Second, the ion exchange resin at a high temperature, and the resulting decomposition gas is separated. Finally, the residue of the ion exchange resin is hot-pressed into a molded article.