ZA200903900B - Method for treating ligno-cellulosic materials - Google Patents

Method for treating ligno-cellulosic materials

Info

Publication number
ZA200903900B
ZA200903900B ZA200903900A ZA200903900A ZA200903900B ZA 200903900 B ZA200903900 B ZA 200903900B ZA 200903900 A ZA200903900 A ZA 200903900A ZA 200903900 A ZA200903900 A ZA 200903900A ZA 200903900 B ZA200903900 B ZA 200903900B
Authority
ZA
South Africa
Prior art keywords
cellulosic materials
ligno
treating
treating ligno
cellulosic
Prior art date
Application number
ZA200903900A
Inventor
Andrey Pranovich
Bjarne Holmbom
Jonas Konn
Original Assignee
Kemira Oyj
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 filed Critical Kemira Oyj
Publication of ZA200903900B publication Critical patent/ZA200903900B/en

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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
ZA200903900A 2007-10-17 2008-10-15 Method for treating ligno-cellulosic materials ZA200903900B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20075729A FI121310B (en) 2007-10-17 2007-10-17 Process for treating lignocellulosic materials containing pectin

Publications (1)

Publication Number Publication Date
ZA200903900B true ZA200903900B (en) 2010-08-25

Family

ID=38656876

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200903900A ZA200903900B (en) 2007-10-17 2008-10-15 Method for treating ligno-cellulosic materials

Country Status (13)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040200586A1 (en) * 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
WO2003008703A1 (en) * 2001-07-19 2003-01-30 Andritz Inc. 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 (en) * 2016-02-24 2018-04-13 孔凡宾 A kind of paper-making pulping liquid and the pulping process using the liquid
CN108071041A (en) * 2017-12-21 2018-05-25 岳阳林纸股份有限公司 A kind of preparation method of mixing material bleaching reducing rules

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
CL2008003043A1 (en) 2009-04-24
EP2201170A1 (en) 2010-06-30
RU2009117645A (en) 2011-02-10
MX2009005832A (en) 2009-06-16
AR068684A1 (en) 2009-11-25
BRPI0806106A2 (en) 2011-08-30
FI20075729A (en) 2009-04-18
FI121310B (en) 2010-09-30
CA2670040A1 (en) 2009-04-23
CN101568685A (en) 2009-10-28
FI20075729A0 (en) 2007-10-17
AU2008313591A1 (en) 2009-04-23
US20100269994A1 (en) 2010-10-28

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