ATE423866T1 - Diskontinuierliches verfahren zur herstellung von zellstoff - Google Patents

Diskontinuierliches verfahren zur herstellung von zellstoff

Info

Publication number
ATE423866T1
ATE423866T1 AT04805227T AT04805227T ATE423866T1 AT E423866 T1 ATE423866 T1 AT E423866T1 AT 04805227 T AT04805227 T AT 04805227T AT 04805227 T AT04805227 T AT 04805227T AT E423866 T1 ATE423866 T1 AT E423866T1
Authority
AT
Austria
Prior art keywords
liquor
polysulfide
discontinuous process
producing pulp
added
Prior art date
Application number
AT04805227T
Other languages
German (de)
English (en)
Inventor
Seppo Martikainen
Panu Tikka
Olli Timonen
Mikael Svedman
Original Assignee
Glv Finance Hungary Kft Luxemb
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 Luxemb filed Critical Glv Finance Hungary Kft Luxemb
Application granted granted Critical
Publication of ATE423866T1 publication Critical patent/ATE423866T1/de

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)
AT04805227T 2003-12-31 2004-12-22 Diskontinuierliches verfahren zur herstellung von zellstoff ATE423866T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE423866T1 true ATE423866T1 (de) 2009-03-15

Family

ID=29763617

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04805227T ATE423866T1 (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
BR112012028241B1 (pt) * 2010-05-04 2020-11-10 Bahia Specialty Cellulose Sa método e sistema para processamento de polpa usando extração cáustica a frio com reuso de filtrado alcalino
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
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
AU9195598A (en) * 1997-09-18 1999-04-05 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
FI20031929A0 (fi) 2003-12-31
CA2530704A1 (en) 2005-07-14
FI20031929A (fi) 2005-07-01
DE602004019689D1 (de) 2009-04-09
EP1702101A1 (en) 2006-09-20
US20060175029A1 (en) 2006-08-10
WO2005064075A1 (en) 2005-07-14
EP1702101B1 (en) 2009-02-25
FI120361B (fi) 2009-09-30

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