DE602004019689D1 - Diskontinuierliches verfahren zur herstellung von zellstoff - Google Patents

Diskontinuierliches verfahren zur herstellung von zellstoff

Info

Publication number
DE602004019689D1
DE602004019689D1 DE602004019689T DE602004019689T DE602004019689D1 DE 602004019689 D1 DE602004019689 D1 DE 602004019689D1 DE 602004019689 T DE602004019689 T DE 602004019689T DE 602004019689 T DE602004019689 T DE 602004019689T DE 602004019689 D1 DE602004019689 D1 DE 602004019689D1
Authority
DE
Germany
Prior art keywords
liquor
pulp
production
polysulfide
discontinuous method
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 - Fee Related
Application number
DE602004019689T
Other languages
German (de)
English (en)
Inventor
Seppo Martikainen
Panu Tikka
Olli Timonen
Mikael Svedman
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.)
GLV Finance Hungary Kft Luxembourg Branch
Original Assignee
GLV Finance Hungary Kft Luxembourg Branch
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 GLV Finance Hungary Kft Luxembourg Branch filed Critical GLV Finance Hungary Kft Luxembourg Branch
Publication of DE602004019689D1 publication Critical patent/DE602004019689D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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)
DE602004019689T 2003-12-31 2004-12-22 Diskontinuierliches verfahren zur herstellung von zellstoff Expired - Fee Related DE602004019689D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20031929A FI120361B (fi) 2003-12-31 2003-12-31 Eräkeittomenetelmä kraftmassan valmistamiseksi
PCT/FI2004/050196 WO2005064075A1 (en) 2003-12-31 2004-12-22 Batch process for preparing pulp

Publications (1)

Publication Number Publication Date
DE602004019689D1 true DE602004019689D1 (de) 2009-04-09

Family

ID=29763617

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004019689T Expired - Fee Related DE602004019689D1 (de) 2003-12-31 2004-12-22 Diskontinuierliches verfahren zur herstellung von zellstoff

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
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
CN103003487B (zh) * 2010-05-04 2016-04-27 巴伊亚特种纤维素公司 高α溶解浆生产的方法和系统
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
WO1999014423A1 (en) * 1997-09-18 1999-03-25 Kvaerner Pulping Ab Polysulfide pulping process
FI110327B (fi) * 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Menetelmä sellumassan valmistamiseksi

Also Published As

Publication number Publication date
EP1702101A1 (en) 2006-09-20
US20060175029A1 (en) 2006-08-10
CA2530704A1 (en) 2005-07-14
FI120361B (fi) 2009-09-30
FI20031929A0 (fi) 2003-12-31
EP1702101B1 (en) 2009-02-25
FI20031929A (fi) 2005-07-01
WO2005064075A1 (en) 2005-07-14
ATE423866T1 (de) 2009-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee