FI20031929A0 - Eräkeittomenetelmä sellunvalmistukseen - Google Patents

Eräkeittomenetelmä sellunvalmistukseen

Info

Publication number
FI20031929A0
FI20031929A0 FI20031929A FI20031929A FI20031929A0 FI 20031929 A0 FI20031929 A0 FI 20031929A0 FI 20031929 A FI20031929 A FI 20031929A FI 20031929 A FI20031929 A FI 20031929A FI 20031929 A0 FI20031929 A0 FI 20031929A0
Authority
FI
Finland
Prior art keywords
liquor
cooking process
cellulose production
batch cooking
polysulfide
Prior art date
Application number
FI20031929A
Other languages
English (en)
Swedish (sv)
Other versions
FI20031929A (fi
FI120361B (fi
Original Assignee
Metso Paper Inc
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 Metso Paper Inc filed Critical Metso Paper Inc
Priority to FI20031929A priority Critical patent/FI120361B/fi
Publication of FI20031929A0 publication Critical patent/FI20031929A0/fi
Priority to AT04805227T priority patent/ATE423866T1/de
Priority to DE602004019689T priority patent/DE602004019689D1/de
Priority to US10/564,373 priority patent/US20060175029A1/en
Priority to EP04805227A priority patent/EP1702101B1/en
Priority to CA002530704A priority patent/CA2530704A1/en
Priority to PCT/FI2004/050196 priority patent/WO2005064075A1/en
Publication of FI20031929A publication Critical patent/FI20031929A/fi
Application granted granted Critical
Publication of FI120361B publication Critical patent/FI120361B/fi

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
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI20031929A 2003-12-31 2003-12-31 Eräkeittomenetelmä kraftmassan valmistamiseksi FI120361B (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI20031929A FI120361B (fi) 2003-12-31 2003-12-31 Eräkeittomenetelmä kraftmassan valmistamiseksi
AT04805227T ATE423866T1 (de) 2003-12-31 2004-12-22 Diskontinuierliches verfahren zur herstellung von zellstoff
DE602004019689T DE602004019689D1 (de) 2003-12-31 2004-12-22 Diskontinuierliches verfahren zur herstellung von zellstoff
US10/564,373 US20060175029A1 (en) 2003-12-31 2004-12-22 Batch process for preparing pulp
EP04805227A EP1702101B1 (en) 2003-12-31 2004-12-22 Batch process for preparing pulp
CA002530704A CA2530704A1 (en) 2003-12-31 2004-12-22 Batch process for preparing pulp
PCT/FI2004/050196 WO2005064075A1 (en) 2003-12-31 2004-12-22 Batch process for preparing pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20031929 2003-12-31
FI20031929A FI120361B (fi) 2003-12-31 2003-12-31 Eräkeittomenetelmä kraftmassan valmistamiseksi

Publications (3)

Publication Number Publication Date
FI20031929A0 true FI20031929A0 (fi) 2003-12-31
FI20031929A FI20031929A (fi) 2005-07-01
FI120361B FI120361B (fi) 2009-09-30

Family

ID=29763617

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20031929A FI120361B (fi) 2003-12-31 2003-12-31 Eräkeittomenetelmä kraftmassan valmistamiseksi

Country Status (7)

Country Link
US (1) US20060175029A1 (fi)
EP (1) EP1702101B1 (fi)
AT (1) ATE423866T1 (fi)
CA (1) CA2530704A1 (fi)
DE (1) DE602004019689D1 (fi)
FI (1) FI120361B (fi)
WO (1) WO2005064075A1 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7828930B2 (en) * 2007-11-20 2010-11-09 International Paper Company Use of polysulfide in modified cooking
AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
PT2567023E (pt) * 2010-05-04 2014-12-23 Bahia Specialty Cellulose Sa Método e sistema para a produção de pasta de dissolução com elevado teor alfa
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
FI127420B (fi) * 2011-06-23 2018-05-31 Andritz Oy Menetelmä selluloosamassan valmistamiseksi
FI129362B (fi) * 2017-05-16 2021-12-31 Andritz Oy Menetelmä kemiallisen massan tuottamiseksi

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery
FI71176C (fi) * 1983-11-30 1991-12-03 Ekono Oy Foerfarande foer framstaellning av cellulosa med satsvis kokning.
US5183535B1 (en) * 1990-02-09 1996-02-06 Sunds Defibrator Rauma Oy Process for preparing kraft pulp using black liquor pretreatment reaction
FI92224C (fi) * 1991-06-28 1994-10-10 Sunds Defibrator Rauma Oy Eräprosessi kraftmassan valmistamiseksi
FI105929B (fi) * 1996-05-30 2000-10-31 Sunds Defibrator Pori Oy Parannettu erämenetelmä sulfaattiselluloosan valmistamiseksi
FI970254A (fi) * 1997-01-22 1998-07-23 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan keittämiseksi
SE9703365D0 (sv) * 1997-09-18 1997-09-18 Kvaerner Pulping Tech Method in connection with impregnation and digestion of lignocelulosic material
JP4205855B2 (ja) * 1997-09-18 2009-01-07 ケムレック アクチボラグ ポリサルファイドパルプ化プロセス
FI110327B (fi) * 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Menetelmä sellumassan valmistamiseksi

Also Published As

Publication number Publication date
ATE423866T1 (de) 2009-03-15
US20060175029A1 (en) 2006-08-10
DE602004019689D1 (de) 2009-04-09
WO2005064075A1 (en) 2005-07-14
CA2530704A1 (en) 2005-07-14
FI20031929A (fi) 2005-07-01
EP1702101B1 (en) 2009-02-25
FI120361B (fi) 2009-09-30
EP1702101A1 (en) 2006-09-20

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Legal Events

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PC Transfer of assignment of patent

Owner name: GL&V FINANCE HUNGARY KFT.

Free format text: GL&V FINANCE HUNGARY KFT.

FG Patent granted

Ref document number: 120361

Country of ref document: FI

PC Transfer of assignment of patent

Owner name: OVIVO LUXEMBOURG S.à R.L.

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MM Patent lapsed