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
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/en

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 (en) 2005-12-02 2005-12-02 Chemical-mechanical pulp and process for producing chemical-mechanical pulp

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 (en)
CN (2) CN101341288A (en)
AR (1) AR058265A1 (en)
AU (1) AU2006319052B2 (en)
BR (1) BRPI0619143B1 (en)
CA (1) CA2631767C (en)
FI (1) FI126694B (en)
RU (1) RU2401350C2 (en)
SE (1) SE534004C2 (en)
UY (1) UY29982A1 (en)
WO (1) WO2007063171A1 (en)
ZA (1) ZA200804758B (en)

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 (en) * 2011-09-08 2013-09-20 Роман Александрович Веселовский Modifier of lignocellulose materials and method of producing composite products from lignocellulose materials
CN102493249B (en) * 2011-11-18 2013-08-14 天津科技大学 Bleaching method capable of increasing bulk of masson pine bleached thermo-mechanical pulp and reducing pollution load of waste liquor
CN104594089B (en) * 2014-12-22 2017-05-17 金东纸业（江苏）股份有限公司 Chemi-mechanical pulp preparing method and device
CN104695260B (en) * 2015-02-15 2016-06-15 李风志 A kind of dissociation modified plant fibers clean pulping process
CN104846678B (en) * 2015-05-08 2017-10-24 白博 A kind of pigment of cotton stalk reducing rules is decomposed and pigment extraction production technology
CN105133408A (en) * 2015-09-01 2015-12-09 安庆市新宜纸业有限公司 Production technology of paper pulp
EP3333311B1 (en) * 2016-12-08 2019-09-25 Valmet AB Method for impregnating biomass and device for impregnating biomass
EP3333313B1 (en) 2016-12-08 2019-10-16 Valmet AB Method for treating biomass and device for treating biomass
EP3333312B1 (en) 2016-12-08 2019-09-18 Valmet AB Method and system for treating biomass
CN116732799A (en) * 2018-10-24 2023-09-12 Ifg 科技有限责任公司 Process, method and system for chemo-mechanical cell blasting and products made thereby
CN111549552B (en) * 2020-05-25 2022-06-14 广西大学 High-yield chemi-mechanical pulp making method for recycling alkali in waste water

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 (en) * 1979-01-12 1984-12-03 Sunds Defibrator METHODS OF MANUFACTURING BLEACHED, MECHANICAL, CHEMICAL MECHANICAL AND SEMI-CHEMICAL MASSES OF LIGNOCELLULOSE FIBER MATERIALS
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 (en) * 1985-03-13 1986-09-14 Eka Ab SET TO MANUFACTURE IN BLEACH, CHEMICAL MECHANICAL AND SEMI-CHEMICAL FIBER MASS USING ONE-STEP IMAGRATION
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 (en) * 1986-11-06 1989-04-24 Sunds Defibrator MAKE MANUFACTURING MECHANICAL MASS FROM LIGNOCELLULOSALLY MATERIAL IN PIECE FORM WITH A LENGTH IN THE FIBER DIRECTION OF AT LEAST 200 MM
CA1230208A (en) * 1987-03-24 1987-12-15 Bohuslav V. Kokta Process for preparing pulp for paper making
CA2069984C (en) * 1992-05-29 1999-03-09 Roland Gilbert Method of extraction of wood chemical protection agent by release at atmospheric pressure
CA2356444C (en) * 1999-02-15 2009-12-15 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
FI126694B (en) 2017-04-13
CA2631767A1 (en) 2007-06-07
RU2008125038A (en) 2010-01-10
JP2009517560A (en) 2009-04-30
CN104674583A (en) 2015-06-03
AU2006319052A1 (en) 2007-06-07
UY29982A1 (en) 2007-06-29
AU2006319052B2 (en) 2011-03-24
FI20051251A0 (en) 2005-12-02
SE0801296L (en) 2008-08-22
WO2007063171A1 (en) 2007-06-07
RU2401350C2 (en) 2010-10-10
AR058265A1 (en) 2008-01-30
FI20051251A (en) 2007-06-03
JP4823317B2 (en) 2011-11-24
CA2631767C (en) 2014-08-26
SE534004C2 (en) 2011-03-29
BRPI0619143B1 (en) 2017-10-24
CN101341288A (en) 2009-01-07
BRPI0619143A2 (en) 2011-09-13

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