ZA200804758B - Process for producing chemi-mechanical pulp - Google Patents

Process for producing chemi-mechanical pulp

Info

Publication number
ZA200804758B
ZA200804758B ZA200804758A ZA200804758A ZA200804758B ZA 200804758 B ZA200804758 B ZA 200804758B ZA 200804758 A ZA200804758 A ZA 200804758A ZA 200804758 A ZA200804758 A ZA 200804758A ZA 200804758 B ZA200804758 B ZA 200804758B
Authority
ZA
South Africa
Prior art keywords
mechanical pulp
chemi
producing
producing chemi
pulp
Prior art date
Application number
ZA200804758A
Other languages
English (en)
Inventor
Vikman Kai Erik Johannes
Pitkaenen Maija
Nickull Ole
Laurila-Lumme Auli
Suortamo Pirita
Original Assignee
M Real 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 M Real Oyj filed Critical M Real Oyj
Publication of ZA200804758B publication Critical patent/ZA200804758B/xx

Links

Classifications

    • 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
    • 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
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
    • 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
    • D21C1/10—Physical methods for facilitating impregnation
    • 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
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ZA200804758A 2005-12-02 2008-06-02 Process for producing chemi-mechanical pulp ZA200804758B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20051251A FI126694B (sv) 2005-12-02 2005-12-02 Kemimekanisk massa och förfarande för framställning av kemimekanisk massa

Publications (1)

Publication Number Publication Date
ZA200804758B true ZA200804758B (en) 2009-09-30

Family

ID=35510621

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200804758A ZA200804758B (en) 2005-12-02 2008-06-02 Process for producing chemi-mechanical pulp

Country Status (12)

Country Link
JP (1) JP4823317B2 (sv)
CN (2) CN104674583A (sv)
AR (1) AR058265A1 (sv)
AU (1) AU2006319052B2 (sv)
BR (1) BRPI0619143B1 (sv)
CA (1) CA2631767C (sv)
FI (1) FI126694B (sv)
RU (1) RU2401350C2 (sv)
SE (1) SE534004C2 (sv)
UY (1) UY29982A1 (sv)
WO (1) WO2007063171A1 (sv)
ZA (1) ZA200804758B (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8262851B2 (en) 2006-08-10 2012-09-11 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping
US8282773B2 (en) * 2007-12-14 2012-10-09 Andritz Inc. Method and system to enhance fiber development by addition of treatment agent during mechanical pulping
US20100263813A1 (en) * 2009-04-21 2010-10-21 Andritz Inc. Green liquor pretreatment of lignocellulosic material
RU2493000C2 (ru) * 2011-09-08 2013-09-20 Роман Александрович Веселовский Модификатор лигноцеллюлозных материалов и способ изготовления композитных изделий из лигноцеллюлозных материалов
CN102493249B (zh) * 2011-11-18 2013-08-14 天津科技大学 一种提高马尾松漂白热磨机械浆松厚度并降低废液污染负荷的漂白方法
CN104594089B (zh) * 2014-12-22 2017-05-17 金东纸业（江苏）股份有限公司 化机浆的制备方法及装置
CN104695260B (zh) * 2015-02-15 2016-06-15 李风志 一种离解改性植物纤维清洁制浆工艺
CN104846678B (zh) * 2015-05-08 2017-10-24 白博 一种全棉秸秆化机浆的色素分解和色素提取生产工艺
CN105133408A (zh) * 2015-09-01 2015-12-09 安庆市新宜纸业有限公司 一种纸浆的生产工艺
EP3333312B1 (en) 2016-12-08 2019-09-18 Valmet AB Method and system for treating biomass
EP3333313B1 (en) 2016-12-08 2019-10-16 Valmet AB Method for treating biomass and device for treating biomass
EP3333311B1 (en) * 2016-12-08 2019-09-25 Valmet AB Method for impregnating biomass and device for impregnating biomass
CA3117671A1 (en) 2018-10-24 2020-04-30 IFG Technologies, LLC Processes, methods, and systems for chemo-mechanical cellular explosion and solid and liquid products made by the same
CN111549552B (zh) * 2020-05-25 2022-06-14 广西大学 一种废水碱回收循环利用的高得率化学机械浆制浆方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795574A (en) * 1971-07-27 1974-03-05 Int Paper Canada Impregnation of wood with a formaldehyde free alkaline solution of sodium hydroxide at a ph between 12.4 and 13
SE436368B (sv) * 1979-01-12 1984-12-03 Sunds Defibrator Sett att framstella blekta, mekaniska, kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial
JPS56148987A (en) * 1980-04-18 1981-11-18 Modookemechitsukusu Ab Purification of cellulose pulp
CA1240456A (en) * 1983-10-20 1988-08-16 Kamyr, Inc. Mechanical pulping
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
NZ211684A (en) * 1985-04-04 1989-07-27 Caxton Paper Ltd Manufacture of cellulose pulp: second digestion step follows initial digestion and refining steps
US5002635A (en) * 1985-09-20 1991-03-26 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and refining
US4743338A (en) * 1986-05-19 1988-05-10 Kamyr, Inc. Method of removing air from lignocellulosic material by passing the material through conduit paths of different diameters
SE458690B (sv) * 1986-11-06 1989-04-24 Sunds Defibrator Saett att framstaella mekanisk massa fraan lignocellulosahaltigt material i styckeform med en laengd i fiberriktningen av minst 200 mm
CA1230208A (en) * 1987-03-24 1987-12-15 Bohuslav V. Kokta Process for preparing pulp for paper making
CA2069984C (fr) * 1992-05-29 1999-03-09 Roland Gilbert Methode d'extraction de preservatifs chimiques du bois par detente a la pression atmospherique
EP1161592B1 (en) * 1999-02-15 2004-09-22 Kiram AB Process for oxygen pulping of lignocellulosic material and recovery of pulping chemicals
CA2318027C (en) * 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive

Also Published As

Publication number Publication date
BRPI0619143A2 (pt) 2011-09-13
RU2008125038A (ru) 2010-01-10
AU2006319052A1 (en) 2007-06-07
FI126694B (sv) 2017-04-13
WO2007063171A1 (en) 2007-06-07
SE0801296L (sv) 2008-08-22
CN101341288A (zh) 2009-01-07
RU2401350C2 (ru) 2010-10-10
JP2009517560A (ja) 2009-04-30
SE534004C2 (sv) 2011-03-29
UY29982A1 (es) 2007-06-29
AU2006319052B2 (en) 2011-03-24
CN104674583A (zh) 2015-06-03
FI20051251A (sv) 2007-06-03
JP4823317B2 (ja) 2011-11-24
CA2631767C (en) 2014-08-26
AR058265A1 (es) 2008-01-30
BRPI0619143B1 (pt) 2017-10-24
FI20051251A0 (sv) 2005-12-02
CA2631767A1 (en) 2007-06-07

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