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:
Sep. 26, 1978
Filed:
Mar. 23, 1977
Applicant:
Inventors:
Yves Berton, Le Puy Ste Reparade, FR;
Pierre Chauvet, Manosque, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
2523 / ; 423-2 ;
Abstract
In a method of decontamination of a radioactive effluent from at least ruthenium, a reduction of the effluent is carried out by adding hydrazine or a hydrazine salt. Precipitates having absorbent and/or coprecipitant properties with respect to radioactive elements are formed in the effluent without any intermediate separation of phases, a cobalt sulphide precipitate being formed for the removal of ruthenium.