CA2670040A1 - Method for treating ligno-cellulosic materials - Google Patents

Method for treating ligno-cellulosic materials Download PDF

Info

Publication number
CA2670040A1
CA2670040A1 CA002670040A CA2670040A CA2670040A1 CA 2670040 A1 CA2670040 A1 CA 2670040A1 CA 002670040 A CA002670040 A CA 002670040A CA 2670040 A CA2670040 A CA 2670040A CA 2670040 A1 CA2670040 A1 CA 2670040A1
Authority
CA
Canada
Prior art keywords
treatment
alkaline
stage
temperature
pectin
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
CA002670040A
Other languages
English (en)
French (fr)
Inventor
Andrey Pranovich
Bjarne Holmbom
Jonas Konn
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.)
Kemira Oyj
Original Assignee
Kemira Oyj
Andrey Pranovich
Bjarne Holmbom
Jonas Konn
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 Kemira Oyj, Andrey Pranovich, Bjarne Holmbom, Jonas Konn filed Critical Kemira Oyj
Publication of CA2670040A1 publication Critical patent/CA2670040A1/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA002670040A 2007-10-17 2008-10-15 Method for treating ligno-cellulosic materials Abandoned CA2670040A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20075729 2007-10-17
FI20075729A FI121310B (fi) 2007-10-17 2007-10-17 Menetelmä pektiiniä sisältävien lignoselluloosapitoisten materiaalien käsittelemiseksi
PCT/FI2008/050574 WO2009050336A1 (en) 2007-10-17 2008-10-15 Method for treating ligno-cellulosic materials

Publications (1)

Publication Number Publication Date
CA2670040A1 true CA2670040A1 (en) 2009-04-23

Family

ID=38656876

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002670040A Abandoned CA2670040A1 (en) 2007-10-17 2008-10-15 Method for treating ligno-cellulosic materials

Country Status (13)

Country Link
US (1) US20100269994A1 (es)
EP (1) EP2201170A1 (es)
CN (1) CN101568685A (es)
AR (1) AR068684A1 (es)
AU (1) AU2008313591A1 (es)
BR (1) BRPI0806106A2 (es)
CA (1) CA2670040A1 (es)
CL (1) CL2008003043A1 (es)
FI (1) FI121310B (es)
MX (1) MX2009005832A (es)
RU (1) RU2009117645A (es)
WO (1) WO2009050336A1 (es)
ZA (1) ZA200903900B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1250811C (zh) * 2001-07-19 2006-04-12 安德里兹有限公司 四步法碱性过氧化物机械制浆
US20040200586A1 (en) * 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers
CN105735022B (zh) * 2016-02-24 2018-04-13 孔凡宾 一种造纸制浆药液及使用该药液的制浆工艺
CN108071041A (zh) * 2017-12-21 2018-05-25 岳阳林纸股份有限公司 一种混合材漂白化机浆的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433825A (en) * 1992-02-06 1995-07-18 The United States Of America As Represented By The Secretary Of Agriculture Method for pulping wood chips separate alkali and peroxymonosulfate treatments
US20040200586A1 (en) * 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
US7384502B2 (en) * 2002-12-24 2008-06-10 Nippon Paper Industries Co., Ltd. Process for impregnating, refining, and bleaching wood chips having low bleachability to prepare mechanical pulps having high brightness
US20050003516A1 (en) * 2003-04-16 2005-01-06 Novozymes A/S Enzymatic treatment of paper making
US8262851B2 (en) * 2006-08-10 2012-09-11 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials

Also Published As

Publication number Publication date
WO2009050336A1 (en) 2009-04-23
EP2201170A1 (en) 2010-06-30
AU2008313591A1 (en) 2009-04-23
FI20075729A0 (fi) 2007-10-17
US20100269994A1 (en) 2010-10-28
ZA200903900B (en) 2010-08-25
RU2009117645A (ru) 2011-02-10
FI20075729A (fi) 2009-04-18
CN101568685A (zh) 2009-10-28
AR068684A1 (es) 2009-11-25
FI121310B (fi) 2010-09-30
BRPI0806106A2 (pt) 2011-08-30
CL2008003043A1 (es) 2009-04-24
MX2009005832A (es) 2009-06-16

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20131015