FI86896B - Foerfarande foer blekning av cellulosamassa. - Google Patents

Foerfarande foer blekning av cellulosamassa. Download PDF

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Publication number
FI86896B
FI86896B FI892151A FI892151A FI86896B FI 86896 B FI86896 B FI 86896B FI 892151 A FI892151 A FI 892151A FI 892151 A FI892151 A FI 892151A FI 86896 B FI86896 B FI 86896B
Authority
FI
Finland
Prior art keywords
bleaching
pulp
oxygen
chlorine
enzyme
Prior art date
Application number
FI892151A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI892151A (fi
FI892151A0 (fi
Inventor
Marja Vaheri
Kimmo Ruohoniemi
Veikko Jokela
Kari Miikki
Original Assignee
Enso Gutzeit Oy
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=8528357&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI86896(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Enso Gutzeit Oy filed Critical Enso Gutzeit Oy
Priority to FI892151A priority Critical patent/FI86896B/fi
Publication of FI892151A0 publication Critical patent/FI892151A0/fi
Priority to EP89117233A priority patent/EP0395792B1/de
Priority to JP1241666A priority patent/JPH02293486A/ja
Priority to CA000611771A priority patent/CA1339593C/en
Priority to AT89117233T priority patent/ATE91518T1/de
Priority to ES89117233T priority patent/ES2045320T3/es
Priority to NO893716A priority patent/NO172355C/no
Priority to DE8989117233T priority patent/DE68907593D1/de
Publication of FI892151A publication Critical patent/FI892151A/fi
Publication of FI86896B publication Critical patent/FI86896B/fi
Application granted granted Critical

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Noodles (AREA)
  • Cereal-Derived Products (AREA)
  • Hard Magnetic Materials (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Table Devices Or Equipment (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Detergent Compositions (AREA)
FI892151A 1989-05-04 1989-05-04 Foerfarande foer blekning av cellulosamassa. FI86896B (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI892151A FI86896B (fi) 1989-05-04 1989-05-04 Foerfarande foer blekning av cellulosamassa.
DE8989117233T DE68907593D1 (de) 1989-05-04 1989-09-18 Verfahren zum bleichen von zellstoff.
CA000611771A CA1339593C (en) 1989-05-04 1989-09-18 Procedure for the bleaching of pulp in which oxygen is used as the oxidating bleaching chemical
JP1241666A JPH02293486A (ja) 1989-05-04 1989-09-18 パルプ漂白法
EP89117233A EP0395792B1 (de) 1989-05-04 1989-09-18 Verfahren zum Bleichen von Zellstoff
AT89117233T ATE91518T1 (de) 1989-05-04 1989-09-18 Verfahren zum bleichen von zellstoff.
ES89117233T ES2045320T3 (es) 1989-05-04 1989-09-18 Procedimiento para el blanqueo de pasta papelera.
NO893716A NO172355C (no) 1989-05-04 1989-09-18 Fremgangsmaate for bleking av masse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI892151A FI86896B (fi) 1989-05-04 1989-05-04 Foerfarande foer blekning av cellulosamassa.
FI892151 1989-05-04

Publications (3)

Publication Number Publication Date
FI892151A0 FI892151A0 (fi) 1989-05-04
FI892151A FI892151A (fi) 1990-11-05
FI86896B true FI86896B (fi) 1992-07-15

Family

ID=8528357

Family Applications (1)

Application Number Title Priority Date Filing Date
FI892151A FI86896B (fi) 1989-05-04 1989-05-04 Foerfarande foer blekning av cellulosamassa.

Country Status (8)

Country Link
EP (1) EP0395792B1 (de)
JP (1) JPH02293486A (de)
AT (1) ATE91518T1 (de)
CA (1) CA1339593C (de)
DE (1) DE68907593D1 (de)
ES (1) ES2045320T3 (de)
FI (1) FI86896B (de)
NO (1) NO172355C (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2890362B2 (ja) * 1989-08-14 1999-05-10 ジェネンコア インターナショナル ヨーロッパ オイ パルプの酸素漂白の改良
SE465320B (sv) * 1990-01-10 1991-08-26 Korsnaes Ab Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav
US5837515A (en) * 1990-05-16 1998-11-17 Alko-Yhtiot Oy Enzyme preparations and methods for their production
JP2859393B2 (ja) * 1990-07-24 1999-02-17 ノボ ノルディスク アクティーゼルスカブ セルラーゼ及びその製造法
DE4129739A1 (de) * 1990-09-11 1992-03-12 Sandoz Ag Chlorfreies bleichen von papierpulpe
JPH04240287A (ja) * 1991-01-21 1992-08-27 Kobe Steel Ltd パルプの漂白方法
FI90670C (sv) * 1991-05-02 1994-03-10 Metsae Serla Oy Behandling av alkalibehandlad massa för användning i pappersframställning
FI108800B (fi) * 1991-05-07 2002-03-28 Iogen Corp Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa
US5785811A (en) * 1992-11-09 1998-07-28 The Mead Corporation Process for treating lignocellulosic material with soybean peroxidase in the presence of peroxide
US7816129B2 (en) 1994-07-29 2010-10-19 Ab Enzymes Gmbh Production and secretion of proteins of bacterial origin in filamentous fungi
US6300114B1 (en) 1994-07-29 2001-10-09 Rohm Enzyme Finland Oy Sequences of xylanase and xylanase expression vectors
US5871730A (en) * 1994-07-29 1999-02-16 Universite De Sherbrooke Thermostable xylanase DNA, protein and methods of use
US5935836A (en) * 1994-07-29 1999-08-10 Rohm Enzyme Finland Oy Actinomadura xylanase sequences and methods of use
US6824646B2 (en) 1999-03-23 2004-11-30 Oji Paper Co., Ltd. Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery
US6942754B2 (en) 1999-03-23 2005-09-13 Oji Paper Co., Ltd. Process for producing xylooligosaccharide from lignocellulose pulp
CA2627846C (en) * 1999-03-23 2011-01-04 Oji Paper Co., Ltd. Process for bleaching lignocellulose pulp
WO2002052100A2 (en) 2000-12-22 2002-07-04 Iogen Bio-Products Corporation Alkaline extraction stages comprising xylanase
US9096519B2 (en) 2013-01-10 2015-08-04 California Institute Of Technology Process for the synthesis of ketones from internal alkenes
US9586883B2 (en) 2013-04-19 2017-03-07 California Institute Of Technology Aldehyde-selective wacker-type oxidation of unbiased alkenes
CN111979823A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种硫酸盐木浆短程序ecf漂白工艺x/d-z-p（x/z-d-p）

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5468402A (en) * 1977-11-09 1979-06-01 Kogyo Gijutsuin Property modification of biochemical pulp
FI81395B (fi) * 1988-03-14 1990-06-29 Cultor Oy Foerfarande foer blekning av cellulosamassa.
FI90888B (fi) * 1989-02-14 1993-12-31 Enso Gutzeit Oy Menetelmä selluloosamassan valkaisemiseksi

Also Published As

Publication number Publication date
EP0395792A3 (de) 1991-01-16
NO172355C (no) 1993-07-07
FI892151A (fi) 1990-11-05
DE68907593D1 (de) 1993-08-19
ES2045320T3 (es) 1994-01-16
JPH02293486A (ja) 1990-12-04
EP0395792B1 (de) 1993-07-14
CA1339593C (en) 1997-12-23
FI892151A0 (fi) 1989-05-04
NO893716L (no) 1990-11-05
NO893716D0 (no) 1989-09-18
EP0395792A2 (de) 1990-11-07
ATE91518T1 (de) 1993-07-15
NO172355B (no) 1993-03-29

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Owner name: ENSO GUTZEIT OY