CA2151364C - A method of producing mechanical and chemi-mechanical pulp - Google Patents

A method of producing mechanical and chemi-mechanical pulp

Info

Publication number
CA2151364C
CA2151364C CA002151364A CA2151364A CA2151364C CA 2151364 C CA2151364 C CA 2151364C CA 002151364 A CA002151364 A CA 002151364A CA 2151364 A CA2151364 A CA 2151364A CA 2151364 C CA2151364 C CA 2151364C
Authority
CA
Canada
Prior art keywords
temperature
feed
subsequent step
lignin
rpm
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.)
Expired - Lifetime
Application number
CA002151364A
Other languages
English (en)
French (fr)
Other versions
CA2151364A1 (en
Inventor
Hans Hoglund
Roland Back
Ove Danielsson
Bo Falk
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.)
Valmet AB
SCA Research AB
Original Assignee
Sunds Defibrator Industries AB
SCA Research AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20388282&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2151364(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sunds Defibrator Industries AB, SCA Research AB filed Critical Sunds Defibrator Industries AB
Publication of CA2151364A1 publication Critical patent/CA2151364A1/en
Application granted granted Critical
Publication of CA2151364C publication Critical patent/CA2151364C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21B1/04—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
CA002151364A 1992-12-30 1993-12-08 A method of producing mechanical and chemi-mechanical pulp Expired - Lifetime CA2151364C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9203943-7 1992-12-30
SE9203943A SE470555B (sv) 1992-12-30 1992-12-30 Förfarande för tillverkning av mekanisk och kemimekanisk massa med ett utbyte av över 85 % från lignocellulosahaltigt fibermaterial

Publications (2)

Publication Number Publication Date
CA2151364A1 CA2151364A1 (en) 1994-07-21
CA2151364C true CA2151364C (en) 1999-02-09

Family

ID=20388282

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002151364A Expired - Lifetime CA2151364C (en) 1992-12-30 1993-12-08 A method of producing mechanical and chemi-mechanical pulp

Country Status (17)

Country Link
EP (1) EP0677122B1 (sv)
JP (1) JP3258019B2 (sv)
KR (1) KR950704567A (sv)
CN (1) CN1052049C (sv)
AT (1) ATE170940T1 (sv)
AU (1) AU678802B2 (sv)
BR (1) BR9307748A (sv)
CA (1) CA2151364C (sv)
DE (1) DE69320989T2 (sv)
FI (1) FI115844B (sv)
NO (1) NO312206B1 (sv)
NZ (1) NZ259595A (sv)
PL (1) PL309195A1 (sv)
RU (1) RU95113478A (sv)
SE (1) SE470555B (sv)
WO (1) WO1994016139A1 (sv)
ZA (1) ZA939370B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1157016A (zh) * 1995-06-12 1997-08-13 安德里兹·斯普劳特-鲍尔有限公司 低停留时间、高温和高速的木屑研磨
US6364998B1 (en) * 1995-06-12 2002-04-02 Andritz Inc. Method of high pressure high-speed primary and secondary refining using a preheating above the glass transition temperature
US6899791B2 (en) 1997-08-08 2005-05-31 Andritz Inc. Method of pretreating lignocellulose fiber-containing material in a pulp refining process
US7300541B2 (en) 2002-07-19 2007-11-27 Andritz Inc. High defiberization chip pretreatment
DE102007057580A1 (de) * 2007-11-28 2009-06-04 Bühler AG Verfahren zur Verarbeitung lignocellulose-haltiger Rohmaterialien
SE540115C2 (sv) 2016-09-21 2018-04-03 A paper or paperboard product comprising at least one ply containing high yield pulp and its production method
EP3642411A1 (en) * 2017-06-20 2020-04-29 Basf Se Method of increasing the throughput and/or decreasing energy usage of a pulping process
FR3117123B1 (fr) 2020-12-09 2023-12-15 Michelin & Cie Composition de caoutchouc presentant une resistance amelioree aux agressions mecaniques
FR3117122B1 (fr) 2020-12-09 2023-12-15 Michelin & Cie Bandage pour vehicule hors la route

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE303088B (sv) * 1963-05-31 1968-08-12 Defibrator Ab
SE466060C (sv) * 1990-02-13 1995-07-11 Moelnlycke Ab Absorberande kemitermomekanisk massa och framställning därav

Also Published As

Publication number Publication date
CN1052049C (zh) 2000-05-03
EP0677122A1 (en) 1995-10-18
DE69320989D1 (de) 1998-10-15
SE9203943L (sv) 1994-07-01
EP0677122B1 (en) 1998-09-09
NO312206B1 (no) 2002-04-08
AU5844594A (en) 1994-08-15
DE69320989T2 (de) 1999-01-28
NZ259595A (en) 1997-10-24
AU678802B2 (en) 1997-06-12
ATE170940T1 (de) 1998-09-15
RU95113478A (ru) 1997-05-27
FI115844B (sv) 2005-07-29
KR950704567A (ko) 1995-11-20
WO1994016139A1 (en) 1994-07-21
ZA939370B (en) 1994-08-08
SE9203943D0 (sv) 1992-12-30
JP3258019B2 (ja) 2002-02-18
FI953229A (sv) 1995-06-29
CA2151364A1 (en) 1994-07-21
FI953229A0 (sv) 1995-06-29
BR9307748A (pt) 1994-11-14
SE470555B (sv) 1994-08-22
NO952613L (no) 1995-06-29
JPH08504894A (ja) 1996-05-28
PL309195A1 (en) 1995-09-18
NO952613D0 (no) 1995-06-29
CN1092832A (zh) 1994-09-28

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20131209