FI952596A0 - Menetelmä valkaista massaa käyttämättä klooripitoisia kemikaaleja - Google Patents

Menetelmä valkaista massaa käyttämättä klooripitoisia kemikaaleja

Info

Publication number
FI952596A0
FI952596A0 FI952596A FI952596A FI952596A0 FI 952596 A0 FI952596 A0 FI 952596A0 FI 952596 A FI952596 A FI 952596A FI 952596 A FI952596 A FI 952596A FI 952596 A0 FI952596 A0 FI 952596A0
Authority
FI
Finland
Prior art keywords
chlorine
chemicals
containing chemicals
bleaching pulp
recovered
Prior art date
Application number
FI952596A
Other languages
English (en)
Swedish (sv)
Other versions
FI952596A (fi
FI111168B (fi
Inventor
Aoke Backlund
Bengt Nilsson
Lars Stigsson
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Publication of FI952596A publication Critical patent/FI952596A/fi
Publication of FI952596A0 publication Critical patent/FI952596A0/fi
Application granted granted Critical
Publication of FI111168B publication Critical patent/FI111168B/fi

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
FI952596A 1992-12-02 1995-05-29 Menetelmä valkaista massaa käyttämättä klooripitoisia kemikaaleja FI111168B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9203612 1992-12-02
SE9203612A SE470538C (sv) 1992-12-02 1992-12-02 Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
SE9300925 1993-11-05
PCT/SE1993/000925 WO1994012720A1 (en) 1992-12-02 1993-11-05 Method of bleaching pulp without using chlorine-containing chemicals

Publications (3)

Publication Number Publication Date
FI952596A FI952596A (fi) 1995-05-29
FI952596A0 true FI952596A0 (fi) 1995-05-29
FI111168B FI111168B (fi) 2003-06-13

Family

ID=20387990

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952596A FI111168B (fi) 1992-12-02 1995-05-29 Menetelmä valkaista massaa käyttämättä klooripitoisia kemikaaleja

Country Status (13)

Country Link
US (1) US6336994B1 (fi)
EP (1) EP0672208B1 (fi)
JP (1) JPH08504005A (fi)
AT (1) ATE162568T1 (fi)
AU (1) AU681613B2 (fi)
BR (1) BR9307572A (fi)
CA (1) CA2150254C (fi)
DE (1) DE69316652T2 (fi)
ES (1) ES2114171T3 (fi)
FI (1) FI111168B (fi)
NO (1) NO952152D0 (fi)
SE (1) SE470538C (fi)
WO (1) WO1994012720A1 (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE470538C (sv) 1992-12-02 1996-02-26 Kvaerner Pulping Tech Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
US5653861A (en) * 1995-04-06 1997-08-05 Eka Nobel Ab Electrochemical process
SE507483C2 (sv) * 1996-10-21 1998-06-15 Hampshire Chemical Ab Avlägsnande av metalljoner genom extraktion med en kombination av en organofil komplexbildare och ett organiskt lösningsmedel vid framställning av pappersmassa
US6319358B1 (en) * 1998-05-29 2001-11-20 Institue Of Paper Science And Technology Inc. Electrolytic causticizing of smelt from a kraft recovery furnace
FI990127A0 (fi) * 1999-01-22 1999-01-22 Ahlstrom Machinery Oy Menetelmä massan käsittelemiseksi
JP4230612B2 (ja) 1999-05-28 2009-02-25 日本製紙株式会社 クラフト法パルプ製造プロセスにおける薬品回収方法
CA2569848C (en) * 2004-06-08 2011-05-10 Nippon Paper Industries Co., Ltd. Pulp bleaching processes
FI122237B (fi) * 2007-06-15 2011-10-31 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
FI122246B (fi) * 2007-06-15 2011-10-31 Andritz Oy Menetelmä massan käsittelemiseksi sellutehtaalla
FI122812B (fi) * 2007-06-15 2012-07-13 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
ITTO20130193A1 (it) * 2013-03-12 2014-09-13 Pierluigi Martini Apparato e metodo di trattamento complessivo della paglia di riso per impiego energetico.
RS60519B1 (sr) * 2016-04-15 2020-08-31 Marinko MIKULIC Kontinuirani postupak za proizvodnju celulozne pulpe
HRP20190259A2 (hr) * 2019-02-07 2020-08-21 Marinko Mikulić Kontinuirani postupak proizvodnje celulozne pulpe iz travnatih sirovina
FI130066B (fi) * 2019-02-13 2023-01-31 Andritz Oy Menetelmä natriumhäviöiden korvaamiseksi sellutehtaassa ja menetelmä valkaistun selluloosamassan valmistamiseksi
CN117469996A (zh) * 2023-10-31 2024-01-30 云南云景林纸股份有限公司 一种制浆漂白性滤液余热回收装置及方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1601408A (fi) * 1967-06-20 1970-08-24
SE381897C (sv) * 1973-11-23 1977-05-23 Skogegarnas Ind Ab Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering
SE435302B (sv) * 1974-10-08 1984-09-17 Mannbro Sys Hb Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel
ZA761255B (en) 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
US4372812A (en) 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
SE448007B (sv) * 1983-04-21 1987-01-12 Skf Steel Eng Ab Forfarande och anordning for atervinning av kemikalier ur massaavlut
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
FI92725C (fi) * 1991-09-09 1994-12-27 Ahlstroem Oy Menetelmä keittolipeän valmistamiseksi
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
SE470538C (sv) 1992-12-02 1996-02-26 Kvaerner Pulping Tech Sätt vid blekning av massa utan användning av klorhaltiga kemikalier

Also Published As

Publication number Publication date
AU5662094A (en) 1994-06-22
FI952596A (fi) 1995-05-29
AU681613B2 (en) 1997-09-04
SE9203612L (sv) 1994-06-03
NO952152L (no) 1995-05-31
US6336994B1 (en) 2002-01-08
BR9307572A (pt) 1999-06-01
EP0672208B1 (en) 1998-01-21
SE470538B (sv) 1994-07-25
NO952152D0 (no) 1995-05-31
CA2150254A1 (en) 1994-06-09
ES2114171T3 (es) 1998-05-16
WO1994012720A1 (en) 1994-06-09
JPH08504005A (ja) 1996-04-30
DE69316652T2 (de) 1998-06-04
SE9203612D0 (sv) 1992-12-02
ATE162568T1 (de) 1998-02-15
SE470538C (sv) 1996-02-26
DE69316652D1 (de) 1998-02-26
FI111168B (fi) 2003-06-13
EP0672208A1 (en) 1995-09-20
CA2150254C (en) 2001-02-20

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Legal Events

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Owner name: METSO FIBER KARLSTAD AB

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Owner name: METSO PAPER SWEDEN AKTIEBOLAG

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MA Patent expired