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:
Apr. 13, 1999
Filed:
Oct. 21, 1997
Applicant:
Inventors:
Christopher Peter Jones, Swindon, GB;
Paul Antony Fennell, Didcot, GB;
Patrick Alan Fletcher, Swindon, GB;
Assignee:
AEA Technology plc, Harwell, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C25B / ; B01D / ;
U.S. Cl.
CPC ...
588204 ; 205262 ; 205560 ; 205688 ; 205702 ; 205703 ; 205770 ; 205771 ;
Abstract
A radioactive waste stream (12) is of high pH and contains a wide variety of different fission products and also organic materials which act as complexants. Technetium and/or ruthenium are removed by first electrolytically oxidising the organic materials at an anodically stable anode (26), and then electrolytically reducing the technetium and/or ruthenium at a porous fluid-permeable cathode (42). The cathode (42) might for example be of lead wool.