Global patent index - EP 0969936 A1

EP 0969936 A1 2000-01-12 - APPARATUS FOR ELECTRODIALYTIC CLEANING OF PRODUCTS AND MEDIA WHICH CONTAIN HEAVY METALS

Title (en)

APPARATUS FOR ELECTRODIALYTIC CLEANING OF PRODUCTS AND MEDIA WHICH CONTAIN HEAVY METALS

Title (de)

APPARAT ZUM ELEKTRODIALYTISCHEN REINIGEN VON SCHWERMETALLEN ENTHALTENDEN PRODUKTEN UND MEDIEN

Title (fr)

APPAREIL D'EPURATION PAR ELECTRODIALYSE DE PRODUITS ET DE MILIEUX CONTENANT DES METAUX LOURDS

Publication

EP 0969936 A1 (EN)

Application

EP 97904345 A

Priority

  • DK 9700064 W
  • DK 14296 A

Abstract (en)

[origin: WO9729865A1] An apparatus is disclosed for the electrokinetic removal of metals, said apparatus having a built-in positive or negative electrode which is surrounded by a first circulation system demarcated with a charge-selective membrane (12) which transfers ions with the same charge as the electrode (2), said first circulation system being separated from a second circulation system with a charge-selective membrane (12) arranged for accumulation, and which in turn is demarcated with yet a further charge-selective membrane (13) which transfers ions with a charge opposite to that of the electrode (2). The apparatus has a spear (16) which is built up around a pressure-stable core of plastic (9) and contributes towards the distribution of circulation liquids (8 and 10), and the spear (16) tapers down towards that end which faces downwards in the medium.

IPC 1-7 (main, further and additional classification)

B09C 1/00; A62D 3/00; C02F 11/00

IPC 8 full level (invention and additional information)

B09C 1/08 (2006.01); C02F 1/469 (2006.01)

CPC (invention and additional information)

C02F 1/469 (2013.01); B09C 1/085 (2013.01); C02F 2201/4611 (2013.01); C02F 2201/46115 (2013.01)

Citation (search report)

See references of WO 9729865A1

Designated contracting state (EPC)

AT BE DE DK ES FI FR GB IE IT NL PT SE

EPO simple patent family

WO 9729865 A1 19970821; AU 1719197 A 19970902; DK 14296 A 19970813; EP 0969936 A1 20000112; NO 983516 A 19980911; NO 983516 D0 19980730

INPADOC legal status

2001-02-28 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20000901

2000-01-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19980914

2000-01-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE DE DK ES FI FR GB IE IT NL PT SE