ZA924357B - Batch process for preparing kraft pulp - Google Patents

Batch process for preparing kraft pulp

Info

Publication number
ZA924357B
ZA924357B ZA924357A ZA924357A ZA924357B ZA 924357 B ZA924357 B ZA 924357B ZA 924357 A ZA924357 A ZA 924357A ZA 924357 A ZA924357 A ZA 924357A ZA 924357 B ZA924357 B ZA 924357B
Authority
ZA
South Africa
Prior art keywords
spent cooking
cooking liquor
digester
batch
solids content
Prior art date
Application number
ZA924357A
Other languages
English (en)
Inventor
Seppo T Hiljanen
T Hiljanen Seppo
Panu O Tikka
O Tikka Panu
Original Assignee
Sunds Defibrator Pori Oy
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 Sunds Defibrator Pori Oy filed Critical Sunds Defibrator Pori Oy
Publication of ZA924357B publication Critical patent/ZA924357B/xx

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage 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
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Noodles (AREA)
  • Prostheses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Hybrid Cells (AREA)
  • Saccharide Compounds (AREA)
  • Commercial Cooking Devices (AREA)
ZA924357A 1991-06-28 1992-06-15 Batch process for preparing kraft pulp ZA924357B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI913160A FI92224C (fi) 1991-06-28 1991-06-28 Eräprosessi kraftmassan valmistamiseksi

Publications (1)

Publication Number Publication Date
ZA924357B true ZA924357B (en) 1993-03-31

Family

ID=8532818

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA924357A ZA924357B (en) 1991-06-28 1992-06-15 Batch process for preparing kraft pulp

Country Status (14)

Country Link
US (1) US5643410A (fi)
EP (1) EP0520452B1 (fi)
JP (1) JP3513619B2 (fi)
AT (1) ATE138129T1 (fi)
AU (1) AU660023B2 (fi)
BR (1) BR9202492A (fi)
CA (1) CA2072479C (fi)
DE (1) DE69210692T2 (fi)
ES (1) ES2089296T3 (fi)
FI (1) FI92224C (fi)
NO (1) NO180386C (fi)
PT (1) PT100633B (fi)
RU (1) RU2084575C1 (fi)
ZA (1) ZA924357B (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103898B (fi) * 1994-01-24 1999-10-15 Sunds Defibrator Pori Oy Menetelmä prehydrolysoidun sellun ja/tai sellumassan tuottamiseksi
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
US6103057A (en) * 1997-06-11 2000-08-15 Fagerlund; Bertil K. Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor
FI110327B (fi) 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Menetelmä sellumassan valmistamiseksi
FI121384B (fi) * 1999-12-29 2010-10-29 Metso Paper Inc Parannettu menetelmä sellumassan valmistamiseksi tärpätin talteenotolla
FI115640B (fi) * 2000-11-03 2005-06-15 Metso Paper Inc Kuumaa mustalipeää käyttävä keittoprosessi
SE518993E (sv) * 2002-01-24 2013-04-23 Metso Paper Sweden Ab Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
CN1318690C (zh) * 2003-08-26 2007-05-30 山东泉林纸业有限责任公司 一种球内洗涤分级蒸煮工艺
CN1297708C (zh) * 2003-08-26 2007-01-31 山东泉林纸业有限责任公司 一种用球内洗涤分级蒸煮工艺生产的浓黑液、黑液
FI120361B (fi) * 2003-12-31 2009-09-30 Gl & V Finance Hungary Kft Eräkeittomenetelmä kraftmassan valmistamiseksi
US8832964B2 (en) * 2010-06-02 2014-09-16 Robert J. Foxen System and method for recovering turpentine during wood material processing
FI20105799A0 (fi) 2010-07-13 2010-07-13 Olli Joutsimo Parantunut kemiallisen massan valmistusprosessi

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1938957A (en) * 1932-10-10 1933-12-12 Kearney James R Corp Guy guard
US2671727A (en) * 1948-05-05 1954-03-09 West Virginia Pulp & Paper Co Manufacture of pulp by the alkaline process
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery
US5015333A (en) * 1983-07-20 1991-05-14 Beloit Corporation Multi-stage pulp washing within a batch digester
US4849052A (en) * 1983-08-24 1989-07-18 Beloit Corporation Batch digester multi-stage pulping process
US5059284A (en) * 1989-10-30 1991-10-22 Beloit Corporation Apparatus to displace a digester from both ends

Also Published As

Publication number Publication date
PT100633A (pt) 1994-04-29
FI913160A0 (fi) 1991-06-28
AU1827392A (en) 1993-01-07
JP3513619B2 (ja) 2004-03-31
DE69210692T2 (de) 1997-01-23
FI913160A (fi) 1992-12-29
FI92224B (fi) 1994-06-30
PT100633B (pt) 1999-06-30
RU2084575C1 (ru) 1997-07-20
BR9202492A (pt) 1993-02-09
NO180386B (no) 1996-12-30
NO922513D0 (no) 1992-06-25
NO180386C (no) 1997-04-09
US5643410A (en) 1997-07-01
JPH05186984A (ja) 1993-07-27
ES2089296T3 (es) 1996-10-01
FI92224C (fi) 1994-10-10
CA2072479C (en) 2003-05-20
CA2072479A1 (en) 1992-12-29
DE69210692D1 (de) 1996-06-20
EP0520452A1 (en) 1992-12-30
EP0520452B1 (en) 1996-05-15
NO922513L (no) 1992-12-29
ATE138129T1 (de) 1996-06-15
AU660023B2 (en) 1995-06-08

Similar Documents

Publication Publication Date Title
AU660023B2 (en) Batch process for preparing kraft pulp
EP0407370A3 (en) High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
NO980265L (no) Fremgangsmåte for kontinuerlig fremstilling av kjemisk cellulosemasse og en kontinuerlig koker for fremstilling av denne masse
AU1492392A (en) Treatment of chips with black liquor
CA2174970A1 (en) Method and device for the continuous cooking of pulp
ES8706881A1 (es) Un metodo mejorado para producir pasta celulosica.
EP0138484A2 (en) Mechanical pulping
SE9700704L (sv) Kokning med svartlut samt förbehandling av cellulosahaltigt material
CA2133574C (en) Method of producing pulp
ES8506367A1 (es) Un procedimiento para la obtencion de pulpa para la fabricacion de papel
ZA91958B (en) Process for preparing kraft pulp
PH31483A (en) Method and apparatus for pulping cellulosic material using a vessel with an impregnation zone and anattrition zone.
US3165436A (en) Continuous impregnating and pulping process
SU1587095A1 (ru) Способ получени беленой целлюлозы дл химической переработки
CA2189899A1 (en) Cooking cellulose material using high alkali concentrations and/or high ph near the end of the cook