AU8538698A - Wood pulp delignifiction and bleaching process by means of electrochemically oxidised organic compounds - Google Patents

Wood pulp delignifiction and bleaching process by means of electrochemically oxidised organic compounds

Info

Publication number
AU8538698A
AU8538698A AU85386/98A AU8538698A AU8538698A AU 8538698 A AU8538698 A AU 8538698A AU 85386/98 A AU85386/98 A AU 85386/98A AU 8538698 A AU8538698 A AU 8538698A AU 8538698 A AU8538698 A AU 8538698A
Authority
AU
Australia
Prior art keywords
delignifiction
organic compounds
wood pulp
bleaching process
electrochemically oxidised
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU85386/98A
Inventor
Michael Del Grosso
Harald Jakob
Andreas Kuver
Norbert Nimmerfroh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Publication of AU8538698A publication Critical patent/AU8538698A/en
Abandoned legal-status Critical Current

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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1021—Electrochemical processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
AU85386/98A 1997-09-27 1998-06-17 Wood pulp delignifiction and bleaching process by means of electrochemically oxidised organic compounds Abandoned AU8538698A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19742748 1997-09-27
DE1997142748 DE19742748A1 (en) 1997-09-27 1997-09-27 Process for delignifying and bleaching pulps using electrochemically oxidizable organic compounds
PCT/EP1998/003648 WO1999016962A1 (en) 1997-09-27 1998-06-17 Wood pulp delignifiction and bleaching process by means of electrochemically oxidised organic compounds

Publications (1)

Publication Number Publication Date
AU8538698A true AU8538698A (en) 1999-04-23

Family

ID=7843853

Family Applications (1)

Application Number Title Priority Date Filing Date
AU85386/98A Abandoned AU8538698A (en) 1997-09-27 1998-06-17 Wood pulp delignifiction and bleaching process by means of electrochemically oxidised organic compounds

Country Status (3)

Country Link
AU (1) AU8538698A (en)
DE (1) DE19742748A1 (en)
WO (1) WO1999016962A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2293223C (en) * 1999-12-23 2004-02-10 Michael G. Paice Electrochemical method for determinating lignin content of pulp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617090A (en) * 1984-12-20 1986-10-14 The United States Of America As Represented By The United States Department Of Energy Process for producing peracids from aliphatic hydroxy carboxylic acids
CH686682A5 (en) * 1992-05-05 1996-05-31 Granit Sa Production of pulp according to the SAP procedure.
DE4435631C2 (en) * 1993-05-01 1996-07-04 Wolfgang Alexander Huber Process for removing manganese from process waters in the paper, pulp and other fiber-producing and fiber-processing industries in chlorine-free bleaching of the pulp
SE501204C2 (en) * 1993-06-28 1994-12-05 Eka Nobel Ab Preparation of polysulfide by electrolysis of white liquor containing sulfide
DK77393D0 (en) * 1993-06-29 1993-06-29 Novo Nordisk As ENZYMER ACTIVATION
EP0717143A1 (en) * 1994-12-16 1996-06-19 Lignozym GmbH Multicomponents system for modifying decomposing or bleaching of lignin or materials containing it or similar components and the way to use it
AU6702296A (en) * 1995-08-08 1997-03-05 Ciba Specialty Chemicals Holding Inc. Method for enhancing the activity of an enzyme, compounds showing enzyme activity enhancement, and detergents containing such compounds

Also Published As

Publication number Publication date
DE19742748A1 (en) 1999-04-01
WO1999016962A1 (en) 1999-04-08

Similar Documents

Publication Publication Date Title
AU6212799A (en) Oxygen bleaching of pulp using an agglomerated bleach activator
AU4353196A (en) Bleaching process and composition
ID21054A (en) PULP BLEACHING METHOD CONTAINING LIGNIN AT THE TIME OF MAKING
AU1793392A (en) Process, using enhanced-action laccase enzymes, for the delignification or bleaching of lignocellulose-containing material or for the treatment of waste water
AU6167498A (en) Hydroperoxide decomposition process
PL340827A1 (en) Method of selectively oxidising organic compounds
AU8437398A (en) Bleaching enzymes
AU4700199A (en) Method of treating biomass material
AU1584295A (en) Pulp bleaching
FI944928A0 (en) Method for bleaching chemical pulp
AU7826094A (en) Method of treating chemical paper pulp without using chlorine-containing chemicals
AU3602295A (en) Process for delignification and bleaching of chemical wood pulps
AU6880094A (en) Oxygen delignification method incorporating wood pulp mixing apparatus
AU8538698A (en) Wood pulp delignifiction and bleaching process by means of electrochemically oxidised organic compounds
AU5396200A (en) Bleaching of lignin and process for producing paper
AU5032998A (en) Method of producing oxidized white liquor from black liquor
AU7720094A (en) Improved method for bleaching lignocellulosic pulp
AU5892094A (en) Novel method of bleaching of lignocellulosic pulp using persulphate
AU1797297A (en) Process for bleaching of chemical pulp
AUPP476398A0 (en) Bleaching process
AU6206094A (en) Chemical paper pulp delignification method
AU5400294A (en) Method for peroxide bleaching of sulphate pulp
AU5657098A (en) Improvements to the bleaching process for chemical pulp and intermediate pulp dispersions
AU1474795A (en) Pulp bleaching method
AU5558196A (en) Pulping process

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase