Patent · US Active

Process for removal of radioactive contamination from wastewater

US9527756B2 · kind B2 · utility

0Cited by

9References

12Claims

0Family size

Assignee

AREVA GMBH · US

Inventors

Luis Sempere-Belda · Erlangen, DE
Rainer Gassen · Bad Mergentheim, DE
Bertram Zeiler · Erlangen, DE
Jose Pedro Moreira Do Amaral · Ergolding, DE

Key dates

Filing date	Sep 22, 2014
Grant date	Dec 27, 2016
Priority date	—
Expiry date	May 9, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG21F9/12
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A process removes radioactive contamination from wastewater obtained in the decontamination of a cooling circuit of nuclear reactors or of parts thereof or in the course of operation of a nuclear reactor. A MnO2 precipitate is exclusively produced in the wastewater with the aid of permanganate ions added thereto as an oxidizing agent and of one or more organic reducing agents present in and/or metered into the wastewater, and the MnO2 precipitate is separated from the wastewater.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.