Title:
METHOD FOR DISPOSING OF METAL CATIONS
Document Type and Number:
WIPO Patent Application WO2000028553
Kind Code:
A3
Abstract:
The invention relates to a method for disposing of metal cations by binding them to a cationic exchange resin. The aim of the inventive method is to reduce the valency of the metal which produces the metal cations to the smallest possible value. The metal cations whose metal has the smallest possible valency is bound to the cationic exchange resin. The valency of the metal is reduced, for example, by chemical reduction. For this purpose, for example, an organic compound and UV radiation are used.
Inventors:
BERTHOLDT HORST-OTTO (DE)
Application Number:
PCT/DE1999/003405
Publication Date:
August 17, 2000
Filing Date:
October 25, 1999
Export Citation:
Assignee:
SIEMENS AG (DE)
BERTHOLDT HORST OTTO (DE)
BERTHOLDT HORST OTTO (DE)
International Classes:
G21F9/12; B01D11/00; C02F1/32; C02F1/42; C02F1/62; C02F1/64; C02F1/70; C02F9/00; G21F9/06; (IPC1-7): G21F9/06; C02F1/32; C02F1/42; C02F9/00
Domestic Patent References:
| WO1990000085A1 | 1990-01-11 |
Foreign References:
| EP0753196B1 | 1998-09-30 | |||
| DE4117625A1 | 1992-12-03 | |||
| DE4423398A1 | 1996-01-11 | |||
| US5205999A | 1993-04-27 | |||
| US3664870A | 1972-05-23 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 012, no. 022 (C - 470) 22 January 1988 (1988-01-22)
Download PDF: