Title:
HYDROGEN PEROXIDE ACTIVATION IN DELIGNIFICATION AND BLEACHING OF WOOD PULP USING A PHENANTROLINE-COPPER COMPLEX
Document Type and Number:
WIPO Patent Application WO2003080925
Kind Code:
A3
Abstract:
The invention concerns a method for bleaching and delignification of wood pulp comprising at least one step of hydrogen peroxide treatment in the presence of oxygen and of a copper-phenantroline complex. The invention is particularly applicable in the paper industry.
Inventors:
CABANNE LAURENCE (FR)
LARNICOL PIERRE (FR)
COUCHARRIERE CAROLE (FR)
LARNICOL PIERRE (FR)
COUCHARRIERE CAROLE (FR)
Application Number:
PCT/FR2003/000913
Publication Date:
April 01, 2004
Filing Date:
March 21, 2003
Export Citation:
Assignee:
ATOFINA (FR)
CABANNE LAURENCE (FR)
LARNICOL PIERRE (FR)
COUCHARRIERE CAROLE (FR)
CABANNE LAURENCE (FR)
LARNICOL PIERRE (FR)
COUCHARRIERE CAROLE (FR)
International Classes:
D21C9/10; D21C9/16; (IPC1-7): D21C9/16
Domestic Patent References:
| WO1997039179A1 | 1997-10-23 |
Other References:
GERMER, E.: "Catalytic Oxygen Pulping", FOURTH EUROPEAN WORKSHOP ON LIGNOCELLULOSICS AND PULP, 1996, pages 412 - 416, XP008010940
WATANABE, TAKASHI ET AL: "Delignification of carbon-14-labeled pulp by copper/coordinatio compound/ peroxide reactions", INTERNATIONAL CONFERENCE ON BIOTECHNOLOGY IN THE PULP AND PAPER INDUSTRY, 7TH, VANCOUVER, B. C., JUNE 16-19, 1998 (1998), VOLUME B, B207-B210 PUBLISHER: CANADIAN PULP AND PAPER ASSOCIATION, TECHNICAL SECTION, MONTREAL, QUE., June 1998 (1998-06-01), XP008010939
WATANABE, TAKASHI ET AL: "Delignification of carbon-14-labeled pulp by copper/coordinatio compound/ peroxide reactions", INTERNATIONAL CONFERENCE ON BIOTECHNOLOGY IN THE PULP AND PAPER INDUSTRY, 7TH, VANCOUVER, B. C., JUNE 16-19, 1998 (1998), VOLUME B, B207-B210 PUBLISHER: CANADIAN PULP AND PAPER ASSOCIATION, TECHNICAL SECTION, MONTREAL, QUE., June 1998 (1998-06-01), XP008010939
Download PDF: