Patent · US Expired

Method and device for reducing cationic impurities and for dosing lithium in the cooling water of a light water reactor, and a cooling-water system of a light water reactor having such a device

US6656338B2 · kind B2 · utility

1Cited by

3References

50Claims

0Family size

Assignees

Framatome ANP · DE
ENBW Kraftwerke AG · DE

Inventors

Manfred Meintker · Baiersdorf, DE
Michael Bolz · Welzheim, DE
Günther Enkler · Philippsburg, DE
Wilfried Ruhle · Eppelheim, DE

Key dates

Filing date	Apr 26, 2002
Grant date	Dec 2, 2003
Priority date	—
Expiry date	Apr 26, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E30/30
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

For dosing lithium in cooling water containing cationic impurities or for reducing cationic impurities, the invention guides cooling water cycle through a first side of an electrodialysis unit and guides a concentration cycle through a second side of the electrodialysis unit. Cationic impurities are filtered out of the medium of the concentration cycle with a selective ion exchanger that is disposed in the concentration cycle.

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