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CL2008003043A1 - Metodo para tratar materias primas lignocelulosicas utilizando una o mas etapas de tratamiento en condiciones alcalinas porque los quimicos alcalnos se aplican en la etapa de tratamiento a baja temperatura (t1) antes de una o mas etapas de tratamiento consecutivas a la misma temperatura o a una mas elevada (t2). - Google Patents

Metodo para tratar materias primas lignocelulosicas utilizando una o mas etapas de tratamiento en condiciones alcalinas porque los quimicos alcalnos se aplican en la etapa de tratamiento a baja temperatura (t1) antes de una o mas etapas de tratamiento consecutivas a la misma temperatura o a una mas elevada (t2).

Info

Publication number
CL2008003043A1
CL2008003043A1 CL2008003043A CL2008003043A CL2008003043A1 CL 2008003043 A1 CL2008003043 A1 CL 2008003043A1 CL 2008003043 A CL2008003043 A CL 2008003043A CL 2008003043 A CL2008003043 A CL 2008003043A CL 2008003043 A1 CL2008003043 A1 CL 2008003043A1
Authority
CL
Chile
Prior art keywords
treatment steps
raw materials
same
low temperature
consecutive
Prior art date
Application number
CL2008003043A
Other languages
English (en)
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 CL2008003043A1 publication Critical patent/CL2008003043A1/es

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)

Abstract

Método para tratar materias primas ligno-celulósicas con contenido de pectina; pulpa que se obtiene por dicho método; y papel, cartón o papel tisú.
CL2008003043A 2007-10-17 2008-10-15 Metodo para tratar materias primas lignocelulosicas utilizando una o mas etapas de tratamiento en condiciones alcalinas porque los quimicos alcalnos se aplican en la etapa de tratamiento a baja temperatura (t1) antes de una o mas etapas de tratamiento consecutivas a la misma temperatura o a una mas elevada (t2). CL2008003043A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20075729A FI121310B (fi) 2007-10-17 2007-10-17 Menetelmä pektiiniä sisältävien lignoselluloosapitoisten materiaalien käsittelemiseksi

Publications (1)

Publication Number Publication Date
CL2008003043A1 true CL2008003043A1 (es) 2009-04-24

Family

ID=38656876

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008003043A CL2008003043A1 (es) 2007-10-17 2008-10-15 Metodo para tratar materias primas lignocelulosicas utilizando una o mas etapas de tratamiento en condiciones alcalinas porque los quimicos alcalnos se aplican en la etapa de tratamiento a baja temperatura (t1) antes de una o mas etapas de tratamiento consecutivas a la misma temperatura o a una mas elevada (t2).

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
CA2450464C (en) * 2001-07-19 2009-12-22 Andritz Inc. Four stage alkaline peroxide mechanical pulping
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
FI20075729A0 (fi) 2007-10-17
MX2009005832A (es) 2009-06-16
FI20075729L (fi) 2009-04-18
AU2008313591A1 (en) 2009-04-23
BRPI0806106A2 (pt) 2011-08-30
ZA200903900B (en) 2010-08-25
AR068684A1 (es) 2009-11-25
RU2009117645A (ru) 2011-02-10
FI121310B (fi) 2010-09-30
CA2670040A1 (en) 2009-04-23
CN101568685A (zh) 2009-10-28
EP2201170A1 (en) 2010-06-30
US20100269994A1 (en) 2010-10-28
WO2009050336A1 (en) 2009-04-23

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