NO20076441L - Process for enzymatic degradation of printed paper - Google Patents

Process for enzymatic degradation of printed paper

Info

Publication number
NO20076441L
NO20076441L NO20076441A NO20076441A NO20076441L NO 20076441 L NO20076441 L NO 20076441L NO 20076441 A NO20076441 A NO 20076441A NO 20076441 A NO20076441 A NO 20076441A NO 20076441 L NO20076441 L NO 20076441L
Authority
NO
Norway
Prior art keywords
bacterium
decolorization
nio
paper
pulp
Prior art date
Application number
NO20076441A
Other languages
Norwegian (no)
Inventor
Raghukumar Chandralata
Mohandass Chellandi
Antonio Mascarenhas
Vijaykumar Kannoujia
Original Assignee
Council Scient Ind Res
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Council Scient Ind Res filed Critical Council Scient Ind Res
Publication of NO20076441L publication Critical patent/NO20076441L/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

Foreliggende oppfinnelse vedrører en fremgangsmåte for enzymatisk avsverting av avfallspapir innbefattende kopiert papir og blekkstråletrykt papir trykt med ikke-mekanisk og ikke-dispergerbart blekk ved bruk av cellefri kultur supernatant av Vibrio alginolyticus eller immobiliserte celler av samme bakterie med aksesjonsnummerNIO/DI/32 og deponert ved ARS Patent Culture Collection, USA, under nummer NRRL-B-3063 8. Oppfinnelsen vedrører videre avfarging av kontoravfallspapirmasse innen 72 timer etter kontakt av nevnte enzymer fra nevnte bakterie i massen med 3-12 % konsistens i sjøvann. Avfargingen erholdes ved bruk av ekstracellulære enzymer produsert av bakterien NIO/DI/32 dyrket i næringskraft supplert med stivelse eller Tween-80.The present invention relates to a process for the enzymatic deinking of waste paper including copied paper and inkjet printed paper printed with non-mechanical and non-dispersible ink using cell-free culture supernatant of Vibrio alginolyticus or immobilized cells of the same bacterium with accession number NIO / DI / 32 ARS Patent Culture Collection, USA, under number NRRL-B-3063 8. The invention further relates to the decolorization of office waste pulp within 72 hours after contact of said enzymes from said bacterium in the pulp with 3-12% consistency in seawater. The decolorization is obtained using extracellular enzymes produced by the bacterium NIO / DI / 32 grown in nutrient power supplemented with starch or Tween-80.

NO20076441A 2005-08-05 2007-12-13 Process for enzymatic degradation of printed paper NO20076441L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2090DE2005 2005-08-05
PCT/IN2005/000403 WO2007017889A1 (en) 2005-08-05 2005-12-09 A process for enzymatic deinking of printed papers

Publications (1)

Publication Number Publication Date
NO20076441L true NO20076441L (en) 2007-12-13

Family

ID=36128496

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20076441A NO20076441L (en) 2005-08-05 2007-12-13 Process for enzymatic degradation of printed paper

Country Status (5)

Country Link
US (1) US20080073042A1 (en)
DK (1) DK177025B1 (en)
NO (1) NO20076441L (en)
SE (1) SE532396C2 (en)
WO (1) WO2007017889A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7645358B2 (en) * 2002-03-25 2010-01-12 Council Of Scientific And Industrial Research Process for biological deinking of office waste paper
IL210497A0 (en) 2011-01-06 2011-03-31 Freeink Ltd A method and composition for deinking a printed substrate

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02160984A (en) * 1988-12-09 1990-06-20 Novo Ind As Deinking method of waste paper
JP2859393B2 (en) * 1990-07-24 1999-02-17 ノボ ノルディスク アクティーゼルスカブ Cellulase and method for producing the same
JPH06346390A (en) * 1993-06-02 1994-12-20 Mitsubishi Heavy Ind Ltd Method for deinking waste paper
US5503709A (en) * 1994-07-27 1996-04-02 Burton; Steven W. Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
US5739019A (en) * 1994-08-08 1998-04-14 Walker; Harrell L. Method of isolating and propagating microorganisms and viruses
US5525193A (en) * 1994-10-26 1996-06-11 Novo Nordisk A/S Use of monocomponent cellulase for removing inks, coatings, and toners from printed paper
CA2165251A1 (en) * 1994-12-15 1996-06-16 Jill Marie Jobbins Deinking composition and process
GB2304741A (en) * 1995-08-30 1997-03-26 Allied Colloids Ltd Enzyme deinking of paper
US6022423A (en) * 1996-05-23 2000-02-08 Imagex Technologies, Inc. Method for deinking paper
DE19620952C2 (en) * 1996-05-24 2001-05-23 Bk Giulini Chem Gmbh & Co Ohg Process for increasing the degree of whiteness in the deinking process
US6576083B2 (en) * 2001-04-05 2003-06-10 Novozymes A/S Deinking of waste paper
US20030178162A1 (en) * 2002-03-25 2003-09-25 Chandralata Raghukumar Process for biological deinking of office waste paper
EP1574567A1 (en) * 2004-03-11 2005-09-14 Puratos Naamloze Vennootschap Novel xylanases and their use

Also Published As

Publication number Publication date
US20080073042A1 (en) 2008-03-27
DK200800304A (en) 2008-02-29
DK177025B1 (en) 2011-01-31
WO2007017889A1 (en) 2007-02-15
SE532396C2 (en) 2010-01-12
SE0800051L (en) 2008-01-10

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Legal Events

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