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Title:
METHOD FOR NEUTRALISATION OF NEGATIVELY CHARGED CONTAMINANTS IN AQUEOUS MEDIA
Document Type and Number:
WIPO Patent Application WO/2013/068253
Kind Code:
A1
Abstract:
Method for neutralisation of negatively charged contaminants in aqueous media by adding positively charged materials, characterised in that the positively charged materials comprise metal ions generated electrolytically from a metallic solid body.

Inventors:
EGNER SIEGFRIED (DE)
CHAUMETTE CHRISTIANE (DE)
KAROS ALEXANDER (DE)
Application Number:
PCT/EP2012/071331
Publication Date:
May 16, 2013
Filing Date:
October 29, 2012
Export Citation:
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Assignee:
FRAUNHOFER GES FORSCHUNG (DE)
EGNER SIEGFRIED (DE)
CHAUMETTE CHRISTIANE (DE)
KAROS ALEXANDER (DE)
International Classes:
C02F1/463; D21H17/01; D21H17/66; C02F103/28
Domestic Patent References:
WO2010098492A12010-09-02
WO2012139879A12012-10-18
Foreign References:
DE3312744C21987-12-03
SU1745692A11992-07-07
JP2008055357A2008-03-13
DE102009005011A12010-07-22
DE3312744C21987-12-03
Other References:
SRIDHAR R ET AL: "Treatment of pulp and paper industry bleaching effluent by electrocoagulant process", JOURNAL OF HAZARDOUS MATERIALS, ELSEVIER, AMSTERDAM, NL, vol. 186, no. 2, 7 December 2010 (2010-12-07), pages 1495 - 1502, XP028363419, ISSN: 0304-3894, [retrieved on 20101214], DOI: 10.1016/J.JHAZMAT.2010.12.028
MOUEDHEN ET AL: "Behavior of aluminum electrodes in electrocoagulation process", JOURNAL OF HAZARDOUS MATERIALS, ELSEVIER, AMSTERDAM, NL, vol. 150, no. 1, 19 December 2007 (2007-12-19), pages 124 - 135, XP022394879, ISSN: 0304-3894, DOI: 10.1016/J.JHAZMAT.2007.04.090
Attorney, Agent or Firm:
DREISS Patentanwälte (DE)
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