AU659039B2 - Process for bleaching of lignocellulose-containing pulp - Google Patents

Process for bleaching of lignocellulose-containing pulp

Info

Publication number
AU659039B2
AU659039B2 AU49199/93A AU4919993A AU659039B2 AU 659039 B2 AU659039 B2 AU 659039B2 AU 49199/93 A AU49199/93 A AU 49199/93A AU 4919993 A AU4919993 A AU 4919993A AU 659039 B2 AU659039 B2 AU 659039B2
Authority
AU
Australia
Prior art keywords
pulp
bleaching
lignocellulose
peroxide
initial treatment
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.)
Ceased
Application number
AU49199/93A
Other languages
English (en)
Other versions
AU4919993A (en
Inventor
Lennart Andersson
Jiri Basta
Wenche Hermansson
Lillemor Holtinger
Magnus Linsten
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.)
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Eka Nobel AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20387625&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU659039(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eka Nobel AB filed Critical Eka Nobel AB
Publication of AU4919993A publication Critical patent/AU4919993A/en
Application granted granted Critical
Publication of AU659039B2 publication Critical patent/AU659039B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Stringed Musical Instruments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
AU49199/93A 1992-10-29 1993-10-25 Process for bleaching of lignocellulose-containing pulp Ceased AU659039B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9203200A SE512137C2 (sv) 1992-10-29 1992-10-29 Förfarande för blekning av lignocellulosahaltig massa
SE9203200 1992-10-29

Publications (2)

Publication Number Publication Date
AU4919993A AU4919993A (en) 1994-05-12
AU659039B2 true AU659039B2 (en) 1995-05-04

Family

ID=20387625

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49199/93A Ceased AU659039B2 (en) 1992-10-29 1993-10-25 Process for bleaching of lignocellulose-containing pulp

Country Status (16)

Country Link
EP (1) EP0595386B2 (de)
JP (1) JPH06207392A (de)
AT (1) ATE180523T1 (de)
AU (1) AU659039B2 (de)
BR (1) BR9304438A (de)
CA (1) CA2109179A1 (de)
CZ (1) CZ284366B6 (de)
DE (1) DE69325070D1 (de)
FI (1) FI934705A (de)
MX (1) MX9306618A (de)
NO (1) NO302766B1 (de)
NZ (1) NZ250050A (de)
RU (1) RU2072014C1 (de)
SE (1) SE512137C2 (de)
SK (1) SK117593A3 (de)
ZA (1) ZA937908B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3724033B2 (ja) * 1996-01-30 2005-12-07 住友電気工業株式会社 高強度・高耐熱アルミニウム合金およびその製造方法、導電線ならびに架空用電線
AUPP476398A0 (en) * 1998-07-21 1998-08-13 Orica Australia Pty Ltd Bleaching process
DE102009050570B4 (de) 2008-10-23 2017-07-06 Bene_Fit Systems Gmbh & Co. Kg Herstellungsverfahren für gebleichte organische Fasermaterialien und Verwendung eines Bleichmittels

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422819A (en) * 1890-03-04 Frederick j
US4834837A (en) * 1984-06-27 1989-05-30 Waagner-Biro Aktiengessellschaft Method for delignification of cellulose with oxygen
AU1514992A (en) * 1991-04-30 1993-03-11 Eka Nobel Ab Process for bleaching of lignocellulose-containing pulp

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687943A (en) * 1951-06-26 1954-08-31 Du Pont Bleaching of mechanical wood pulp
US3507744A (en) * 1966-04-01 1970-04-21 Kimberly Clark Co Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions
JPS51102103A (en) * 1975-03-05 1976-09-09 Nippon Parupu Kogyo Kk Ryusanenhoparupuno hyohakuhoho
JPS583074B2 (ja) * 1975-11-17 1983-01-19 三菱瓦斯化学株式会社 パルプノ カサンカブツヒヨウハクホウ
SE420430B (sv) † 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
JPS5927436B2 (ja) * 1979-05-29 1984-07-05 王子製紙株式会社 木材パルプの過酸化物漂白方法
JPS5721590A (en) * 1980-07-11 1982-02-04 Mitsubishi Gas Chemical Co Peroxide bleaching of wood pulp
FR2520397A1 (fr) * 1982-01-28 1983-07-29 Centre Tech Ind Papier Procede pour le traitement de pates papetieres chimiques
JP2827235B2 (ja) * 1988-11-22 1998-11-25 三菱瓦斯化学株式会社 高収率パルプの漂白法
JPH0364589A (ja) * 1989-07-28 1991-03-19 Mitsubishi Gas Chem Co Inc 化学パルプの漂白方法
US5091054A (en) † 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
CA2053035C (en) † 1990-10-12 1997-09-30 Repap Enterprises Inc. Chlorine-free wood pulps and process of making

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422819A (en) * 1890-03-04 Frederick j
US4834837A (en) * 1984-06-27 1989-05-30 Waagner-Biro Aktiengessellschaft Method for delignification of cellulose with oxygen
AU1514992A (en) * 1991-04-30 1993-03-11 Eka Nobel Ab Process for bleaching of lignocellulose-containing pulp

Also Published As

Publication number Publication date
BR9304438A (pt) 1994-05-03
FI934705A0 (fi) 1993-10-25
CA2109179A1 (en) 1994-04-30
NO933873D0 (no) 1993-10-27
SE512137C2 (sv) 2000-01-31
SK117593A3 (en) 1994-05-11
ZA937908B (en) 1994-05-24
MX9306618A (es) 1994-04-29
NO302766B1 (no) 1998-04-20
CZ284366B6 (cs) 1998-11-11
FI934705A (fi) 1994-04-30
ATE180523T1 (de) 1999-06-15
EP0595386A1 (de) 1994-05-04
AU4919993A (en) 1994-05-12
SE9203200D0 (sv) 1992-10-29
JPH06207392A (ja) 1994-07-26
EP0595386B2 (de) 2002-07-17
EP0595386B1 (de) 1999-05-26
NZ250050A (en) 1994-12-22
SE9203200L (sv) 1994-04-30
CZ224193A3 (en) 1994-05-18
RU2072014C1 (ru) 1997-01-20
NO933873L (no) 1994-05-02
DE69325070D1 (de) 1999-07-01

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SE9301161D0 (sv) Foerfarande foer behandling av processvatten
RU93049739A (ru) Способ отбеливания лигноцеллюлозосодержащей пульпы
ATE141972T1 (de) Verfahren zum bleichen von lignocellulose- enthaltendem zellstoff
SE8902058L (sv) Foerfarande vid blekning av lignocellulosa- haltigt material

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired