SE468053B - Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial - Google Patents

Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial

Info

Publication number
SE468053B
SE468053B SE8804578A SE8804578A SE468053B SE 468053 B SE468053 B SE 468053B SE 8804578 A SE8804578 A SE 8804578A SE 8804578 A SE8804578 A SE 8804578A SE 468053 B SE468053 B SE 468053B
Authority
SE
Sweden
Prior art keywords
liquid
zone
digester
current zone
countercurrent
Prior art date
Application number
SE8804578A
Other languages
English (en)
Swedish (sv)
Other versions
SE8804578L (sv
SE8804578D0 (sv
Inventor
Aa Backlund
Original Assignee
Kamyr 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
Publication of SE8804578D0 publication Critical patent/SE8804578D0/xx
Priority to SE8804578A priority Critical patent/SE468053B/sv
Application filed by Kamyr Ab filed Critical Kamyr Ab
Priority to CA000614211A priority patent/CA1332526C/en
Priority to US07/420,322 priority patent/US5080755A/en
Priority to JP1283176A priority patent/JPH02216289A/ja
Priority to DE3938504A priority patent/DE3938504C2/de
Priority to AT0271789A priority patent/AT395026B/de
Priority to FR898915985A priority patent/FR2640651B1/fr
Priority to NO895111A priority patent/NO173398C/no
Priority to FI896074A priority patent/FI91895C/fi
Priority to BR898906617A priority patent/BR8906617A/pt
Publication of SE8804578L publication Critical patent/SE8804578L/
Priority to US07/765,004 priority patent/US5192396A/en
Publication of SE468053B publication Critical patent/SE468053B/sv

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
    • 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)

Landscapes

  • Paper (AREA)
SE8804578A 1988-12-20 1988-12-20 Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial SE468053B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8804578A SE468053B (sv) 1988-12-20 1988-12-20 Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
CA000614211A CA1332526C (en) 1988-12-20 1989-09-28 Process for the continuous digestion of cellulosic fiber material
US07/420,322 US5080755A (en) 1988-12-20 1989-10-12 Process for the continuous digestion of cellulosic fiber material
JP1283176A JPH02216289A (ja) 1988-12-20 1989-11-01 セルローズ繊維材料を連続的に蒸解する方法
DE3938504A DE3938504C2 (de) 1988-12-20 1989-11-20 Verfahren zum kontinuierlichen Aufschließen von Zellulosefasermaterial
AT0271789A AT395026B (de) 1988-12-20 1989-11-28 Verfahren zum kontinuierlichen aufschliessen von zellulosefasermaterial
FR898915985A FR2640651B1 (fr) 1988-12-20 1989-12-04 Procede pour le lessivage continu d'une matiere cellulosique fibreuse
NO895111A NO173398C (no) 1988-12-20 1989-12-19 Fremgangsm}te ved kontinuerlig kokning av celluloseholdigfibermateriale
FI896074A FI91895C (fi) 1988-12-20 1989-12-19 Menetelmä selluloosapitoisen kuituaineksen yhtäjaksoisessa hajotuskeitossa
BR898906617A BR8906617A (pt) 1988-12-20 1989-12-20 Processo para a digestao continua de material de fibra celulosica
US07/765,004 US5192396A (en) 1988-12-20 1991-09-24 Process for the continuous digestion of cellulosic fiber material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8804578A SE468053B (sv) 1988-12-20 1988-12-20 Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial

Publications (3)

Publication Number Publication Date
SE8804578D0 SE8804578D0 (sv) 1988-12-20
SE8804578L SE8804578L (sv) 1990-06-21
SE468053B true SE468053B (sv) 1992-10-26

Family

ID=20374278

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8804578A SE468053B (sv) 1988-12-20 1988-12-20 Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial

Country Status (10)

Country Link
US (1) US5080755A (de)
JP (1) JPH02216289A (de)
AT (1) AT395026B (de)
BR (1) BR8906617A (de)
CA (1) CA1332526C (de)
DE (1) DE3938504C2 (de)
FI (1) FI91895C (de)
FR (1) FR2640651B1 (de)
NO (1) NO173398C (de)
SE (1) SE468053B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995018261A1 (en) * 1993-12-29 1995-07-06 Kvaerner Pulping Technologies Ab Method and device for the continuous cooking of pulp
WO1997003244A1 (en) 1995-07-12 1997-01-30 Kvaerner Pulping Ab Impregnation of fiber material

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
SE469078B (sv) * 1991-08-23 1993-05-10 Kamyr Ab Saett vid kontinuerlig kokning av cellulosahaltigt fibermaterial
US5529661A (en) * 1991-08-23 1996-06-25 Kvaerner Pulping Technologies Ab Process for controlling the flow of cellulosic fiber material through an impregnation vessel
SE9201477L (sv) * 1992-05-11 1993-06-28 Kamyr Ab Saett vid blekning av massa utan anvaendning av klorkemikalier
US5302247A (en) * 1992-11-02 1994-04-12 Kamyr, Inc. Top circulation line cooling for a modified cook digester
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5824187A (en) * 1993-12-29 1998-10-20 Kvaerner Pulping Ab Method for the continuous cooking of pulp
SE502134C2 (sv) * 1994-02-10 1995-08-28 Kvaerner Pulping Tech Optimering av vätske/ved-förhållande i förimpregneringskärl och kontinuerlig kokare vid framställning av kemisk massa
TW245651B (en) * 1994-02-24 1995-04-21 Babcock & Wilcox Co Black liquor gasifier
US5660686A (en) * 1994-09-02 1997-08-26 Ahlstrom Machinery Inc. Cooking with spent liquor pretreatment of cellulose material
US5925216A (en) * 1994-11-15 1999-07-20 Kvaerner Pulping Ab Method of continuous pulping in a digester with high black liquor usage in the impregnation stage
US5650045A (en) * 1994-12-14 1997-07-22 Salminen; Reijo K. Apparatus and method for wood pulp digester
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation
US6248208B1 (en) 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
SE504644C2 (sv) * 1995-07-12 1997-03-24 Kvaerner Pulping Tech Vätskecirkulation i ett kärl för impregnering av flis
US5658428A (en) * 1995-10-19 1997-08-19 Kvaerner Pulping Technologies Ab Method for impregnation in a single-vessel hydraulic digester
SE506458C2 (sv) * 1996-02-09 1997-12-15 Kvaerner Pulping Tech Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
US6159336A (en) * 1997-08-07 2000-12-12 Kvaerner Pulping Ab Method and device for the continuous cooking of pulp
SE518542C2 (sv) * 2001-03-21 2002-10-22 Kvaerner Pulping Tech Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare
SE518538C2 (sv) * 2001-12-14 2002-10-22 Kvaerner Pulping Tech Förbehandling av flis med färsk vitlut före behandling med svartlut
SE518957C2 (sv) * 2002-01-24 2002-12-10 Kvaerner Pulping Tech Förfarande för att öka värmeekonomin i kokarsystemet vid kontinuerlig kokning
SE518993E (sv) * 2002-01-24 2013-04-23 Metso Paper Sweden Ab Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
SE527058C2 (sv) * 2004-02-09 2005-12-13 Kvaerner Pulping Tech Kontinuerlig kokprocess med förbättrad värmeekonomi
US7241363B2 (en) * 2004-06-26 2007-07-10 International Paper Company Methods to decrease scaling in digester systems
FI122841B (fi) * 2004-10-04 2012-07-31 Metso Paper Inc Menetelmä ja laitteisto selluloosamassan valmistamiseksi
FI120547B (fi) * 2004-10-04 2009-11-30 Metso Paper Inc Alkalinen keittomenetelmä ja laitteisto massan valmistamiseksi
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2359543A (en) * 1940-09-24 1944-10-03 Kamyr Ab Apparatus for continuous digestion of fibrous material
US3035963A (en) * 1958-02-19 1962-05-22 Lummus Co Process for the continuous digestion of cellulosic materials
GB945957A (en) * 1960-02-08 1964-01-08 Ass Pulp & Paper Mills Continuous pulping process
FI44514B (de) * 1963-12-13 1971-08-02 Kamyr Ab
US3427218A (en) * 1964-07-10 1969-02-11 Kamyr Ab Method of performing counter-current continuous cellulose digestion
NO122466B (de) * 1966-06-24 1971-06-28 Ass Pulp & Paper Mills
SE330819B (de) * 1966-09-12 1970-11-30 Kamyr Ab
SE359331B (de) * 1970-03-17 1973-08-27 Kamyr Ab
US3723242A (en) * 1971-04-01 1973-03-27 Union Camp Corp Oxidation of sulfide pulping liquor to form polysulfide liquor in situ
JPS5324521A (en) * 1976-08-20 1978-03-07 Hitachi Ltd Control devic e of governor used for engine
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
FI63610C (fi) * 1981-12-31 1983-07-11 Ekono Oy Foerfarande foer kontinuerlig uppslutning av finfoerdelat material
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995018261A1 (en) * 1993-12-29 1995-07-06 Kvaerner Pulping Technologies Ab Method and device for the continuous cooking of pulp
WO1997003244A1 (en) 1995-07-12 1997-01-30 Kvaerner Pulping Ab Impregnation of fiber material

Also Published As

Publication number Publication date
SE8804578L (sv) 1990-06-21
BR8906617A (pt) 1990-09-04
DE3938504A1 (de) 1990-06-21
FR2640651A1 (fr) 1990-06-22
NO895111L (no) 1990-06-21
NO173398B (no) 1993-08-30
FI91895C (fi) 1994-08-25
ATA271789A (de) 1992-01-15
AT395026B (de) 1992-08-25
NO173398C (no) 1993-12-08
CA1332526C (en) 1994-10-18
FR2640651B1 (fr) 1992-02-28
FI896074A0 (fi) 1989-12-19
FI91895B (fi) 1994-05-13
NO895111D0 (no) 1989-12-19
DE3938504C2 (de) 1995-11-16
JPH02216289A (ja) 1990-08-29
US5080755A (en) 1992-01-14
SE8804578D0 (sv) 1988-12-20

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