B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
B09B 3/00 (2006.01) B08B 3/08 (2006.01) C23G 1/08 (2006.01) C23G 1/36 (2006.01) G21F 9/00 (2006.01) G21F 9/12 (2006.01)
Patent
CA 2236146
A process for removing undesirable material such as a radioactive contaminant from an underlying material. A solution containing fluoroboric acid and a material which affects the fluoroboric acid solution oxidation potential (Eh) is contacted with the contaminant material to cause its removal. The contaminant material is removed from the fluoroboric acid solution by contacting the fluoroboric acid solution which has been contacted with the contaminant material with a cation exchange resin.
La présente invention concerne un procédé d'élimination de matériaux indésirables tels qu'un contaminant radioactif d'un matériau sous-jacent. Le procédé consiste à mettre en contact une solution contenant de l'acide fluoroborique et un matériau modifiant le potentiel d'oxydation (Eh) de la solution d'acide fluoroborique avec le matériau contaminant de façon à en provoquer l'élimination. Le procédé consiste ensuite à éliminer de la solution d'acide fluoroborique le matériau contaminant en mettant en contact avec une résine d'échange cationique la solution d'acide fluoroborique qui a été au contact du matériau contaminant.
Bradbury David
Elder George R.
Wood Christopher J.
Electric Power Research Institute (epri)
Smart & Biggar
LandOfFree
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