ATE312970T1 - Verfahren zur herstellung eines gebleichten tmp- oder ctmp zellstoffs - Google Patents

Verfahren zur herstellung eines gebleichten tmp- oder ctmp zellstoffs

Info

Publication number
ATE312970T1
ATE312970T1 AT02744026T AT02744026T ATE312970T1 AT E312970 T1 ATE312970 T1 AT E312970T1 AT 02744026 T AT02744026 T AT 02744026T AT 02744026 T AT02744026 T AT 02744026T AT E312970 T1 ATE312970 T1 AT E312970T1
Authority
AT
Austria
Prior art keywords
pulp
suspension
refining
bleached
extra high
Prior art date
Application number
AT02744026T
Other languages
English (en)
Inventor
Per Engstrand
Jonas Jonsson
Christer Sandberg
Goeran Starck
Charlotte Wancke-Staehl
Mikael Wahlgren
Original Assignee
Holmen Aktiebolag
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=20284576&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE312970(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Holmen Aktiebolag filed Critical Holmen Aktiebolag
Application granted granted Critical
Publication of ATE312970T1 publication Critical patent/ATE312970T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • 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
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/30—Disc mills
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02—Straining or screening the pulp
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT02744026T 2001-06-21 2002-06-20 Verfahren zur herstellung eines gebleichten tmp- oder ctmp zellstoffs ATE312970T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0102224A SE519462C2 (sv) 2001-06-21 2001-06-21 Förfarande för framställning av blekt termomekanisk massa (TMP) eller blekt kemitermomekanisk massa (CTMP)
PCT/SE2002/001216 WO2003000982A1 (en) 2001-06-21 2002-06-20 Method of producing bleached thermomechanical pulp (tmp) or bleached chemithermomechanical pulp (ctmp)

Publications (1)

Publication Number Publication Date
ATE312970T1 true ATE312970T1 (de) 2005-12-15

Family

ID=20284576

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02744026T ATE312970T1 (de) 2001-06-21 2002-06-20 Verfahren zur herstellung eines gebleichten tmp- oder ctmp zellstoffs

Country Status (9)

Country Link
US (1) US20040231811A1 (de)
EP (1) EP1407073B1 (de)
AT (1) ATE312970T1 (de)
CA (1) CA2451155A1 (de)
CZ (1) CZ297015B6 (de)
DE (1) DE60208034T2 (de)
NO (1) NO20035708L (de)
SE (1) SE519462C2 (de)
WO (1) WO2003000982A1 (de)

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US6881299B2 (en) * 2001-05-16 2005-04-19 North American Paper Corporation Refiner bleaching with magnesium oxide and hydrogen peroxide
SE525872C2 (sv) * 2002-09-06 2005-05-17 Stora Enso Ab Metod att tillverka mekanisk massa med reducerad energikonsumtion
US7198925B2 (en) * 2004-09-30 2007-04-03 Iogen Energy Corporation Pre-treatment of bales of feedstock
US20070215301A1 (en) * 2006-03-17 2007-09-20 Weyerhaeuser Co. Method for making a low density multi-ply paperboard with high internal bond strength
CA2638157C (en) 2008-07-24 2013-05-28 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2650919C (en) 2009-01-23 2014-04-22 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2650913C (en) 2009-01-23 2013-10-15 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
CA2638160C (en) 2008-07-24 2015-02-17 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
US9127325B2 (en) 2008-07-24 2015-09-08 Abengoa Bioenergy New Technologies, Llc. Method and apparatus for treating a cellulosic feedstock
CA2638150C (en) 2008-07-24 2012-03-27 Sunopta Bioprocess Inc. Method and apparatus for conveying a cellulosic feedstock
US8915644B2 (en) 2008-07-24 2014-12-23 Abengoa Bioenergy New Technologies, Llc. Method and apparatus for conveying a cellulosic feedstock
CA2638159C (en) 2008-07-24 2012-09-11 Sunopta Bioprocess Inc. Method and apparatus for treating a cellulosic feedstock
WO2011028554A1 (en) 2009-08-24 2011-03-10 Abengoa Bioenergy New Technologies, Inc. Method for producing ethanol and co-products from cellulosic biomass
BRPI1100063A2 (pt) 2010-05-07 2017-04-04 Abengoa Bioenergy New Tech Inc processos para a recuperação de valores de uma massa de fermentação, e para extração de lignina e inorgânicos, e, produtos de sólidos ricos em lignina
CA2824076A1 (en) 2012-08-21 2014-02-21 University Of New Brunswick System and method for reclaiming rejects in sulfite pulping
GB201304717D0 (en) 2013-03-15 2013-05-01 Imerys Minerals Ltd Paper composition
JP6277836B2 (ja) * 2014-04-09 2018-02-14 セイコーエプソン株式会社 シート製造装置
SE540115C2 (en) * 2016-09-21 2018-04-03 A paper or paperboard product comprising at least one ply containing high yield pulp and its production method
JP6879106B2 (ja) * 2017-07-31 2021-06-02 セイコーエプソン株式会社 解繊物製造装置、及びシート製造装置
SE543552C2 (en) 2019-07-04 2021-03-23 Stora Enso Oyj Refined cellulose fiber composition
EP4389964A1 (de) * 2022-12-21 2024-06-26 Billerud Aktiebolag (publ) Verfahren zur herstellung von ht-ctmp mit hoher zugfestigkeit
WO2024133425A1 (en) * 2022-12-21 2024-06-27 Billerud Aktiebolag (Publ) Two-step impregnation in production of ctmp from maple wood

Family Cites Families (34)

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SE226593C1 (de) * 1969-05-20
US3016324A (en) * 1957-03-07 1962-01-09 Bauer Bros Co Method and apparatus for producing wood pulp
US3069309A (en) * 1961-02-01 1962-12-18 Du Pont Pulp bleaching
SE303088B (de) * 1963-05-31 1968-08-12 Defibrator Ab
US3492199A (en) * 1966-10-04 1970-01-27 Fmc Corp Bleaching fluffed mechanical wood pulp with hydrogen peroxide
US4029543A (en) * 1971-12-14 1977-06-14 Mo Och Domsjo Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
FI61215B (fi) * 1976-11-23 1982-02-26 Defibrator Ab Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial
US4292122A (en) * 1976-12-06 1981-09-29 Domtar Inc. Bonding properties of mechanical pulps
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
SE420427C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
SE431571C (sv) * 1982-07-02 1985-09-09 Nils Anders Lennart Wikdahl Sett vid rening av en fibersuspension
SE456430B (sv) * 1985-11-06 1988-10-03 Sunds Defibrator Sett for framstellning av mekanisk massa
SE456826B (sv) * 1986-04-18 1988-11-07 Svenska Traeforskningsinst Saett att reducera energikonsumtionen vid raffinering av cellulosahaltigt material
SE459924B (sv) * 1988-01-22 1989-08-21 Sunds Defibrator Saett foer framstaellning av mekanisk massa
GB2215350B (en) * 1988-03-16 1992-05-20 Thiokol Morton Inc Process for bleaching mechanical wood pulp
US5298118A (en) * 1988-07-12 1994-03-29 Atochem Preparation of bleached chemithermomechanical pulp
NZ235983A (en) * 1989-11-08 1993-01-27 Novo Nordisk As Process for hydrolysis of resins in lignocellulosic pulp using enzymes simultaneously with peroxy bleaching; ctmp fluff-pulp and absorbent articles produced therefrom
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
SE466060C (sv) * 1990-02-13 1995-09-11 Moelnlycke Ab Absorberande kemitermomekanisk massa och framställning därav
US5853534A (en) * 1992-12-30 1998-12-29 Sunds Defibrator Industries Ab Method of producing pulp with high yield using a two-stage refining system operating at different temperatures
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
US6364999B1 (en) * 1995-12-27 2002-04-02 Weyerhaeuser Company Process for producing a wood pulp having reduced pitch content and process and reduced VOC-emissions
US5882475A (en) * 1997-03-26 1999-03-16 Ahlstrom Machinery Inc. Method of recovering fibers from a reject stream generated in a wastepaper treating process
SE512869C2 (sv) * 1998-01-20 2000-05-29 Nils Anders Lennart Wikdahl Förfarande och anordning för framställande av cellulosamassor med förbättrad kvalitet
CZ2000652A3 (cs) * 1998-08-10 2000-07-12 Valmet Fibertech Ab Zařízení na výrobu a zpracování dřevních vláken
SE517297E (sv) * 1999-09-10 2004-12-07 Stora Enso Ab Metod vid produktion av mekanisk massa från ett cellulosainnehållande material, massa framställd enligt metoden samt kartong producerad av massan
US7052578B2 (en) * 2000-01-28 2006-05-30 Martin Marietta Magnesia Specialties, Inc. Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp
US6702921B2 (en) * 2001-05-01 2004-03-09 Ondeo Nalco Company Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
US6743332B2 (en) * 2001-05-16 2004-06-01 Weyerhaeuser Company High temperature peroxide bleaching of mechanical pulps
SE527041C2 (sv) * 2003-04-29 2005-12-13 Holmen Ab Förfarande för selektivt avlägsnande av märgstråleceller ur cellulosamassa
US8268122B2 (en) * 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp

Also Published As

Publication number Publication date
EP1407073A1 (de) 2004-04-14
CZ20033405A3 (cs) 2005-03-16
SE0102224D0 (sv) 2001-06-21
SE519462C2 (sv) 2003-03-04
SE0102224L (sv) 2002-12-22
NO20035708L (no) 2004-02-20
EP1407073B1 (de) 2005-12-14
CA2451155A1 (en) 2003-01-03
WO2003000982A1 (en) 2003-01-03
DE60208034T2 (de) 2006-08-24
DE60208034D1 (de) 2006-01-19
CZ297015B6 (cs) 2006-08-16
NO20035708D0 (no) 2003-12-19
US20040231811A1 (en) 2004-11-25

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