CA1238222A - Method and apparatus for pre-treating lignocellulosic material in the continuous digestion of lignocellulosic material to cellulose pulp - Google Patents

Method and apparatus for pre-treating lignocellulosic material in the continuous digestion of lignocellulosic material to cellulose pulp

Info

Publication number
CA1238222A
CA1238222A CA000457481A CA457481A CA1238222A CA 1238222 A CA1238222 A CA 1238222A CA 000457481 A CA000457481 A CA 000457481A CA 457481 A CA457481 A CA 457481A CA 1238222 A CA1238222 A CA 1238222A
Authority
CA
Canada
Prior art keywords
lignocellulosic material
steam
steaming
mass
zone
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
Application number
CA000457481A
Other languages
English (en)
French (fr)
Inventor
Sture Noreus
Hans Lundberg
Lars Uhlin
Bengt Lindquist
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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo 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
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of CA1238222A publication Critical patent/CA1238222A/en
Expired legal-status Critical Current

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
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
CA000457481A 1983-06-27 1984-06-26 Method and apparatus for pre-treating lignocellulosic material in the continuous digestion of lignocellulosic material to cellulose pulp Expired CA1238222A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8303646A SE451605B (sv) 1983-06-27 1983-06-27 Forfarande och anordning for forbehandling av lignocellulosamaterial
SE8303646-7 1983-06-27

Publications (1)

Publication Number Publication Date
CA1238222A true CA1238222A (en) 1988-06-21

Family

ID=20351762

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000457481A Expired CA1238222A (en) 1983-06-27 1984-06-26 Method and apparatus for pre-treating lignocellulosic material in the continuous digestion of lignocellulosic material to cellulose pulp

Country Status (9)

Country Link
US (1) US4592804A (enEXAMPLES)
JP (1) JPS6021994A (enEXAMPLES)
AU (1) AU571536B2 (enEXAMPLES)
CA (1) CA1238222A (enEXAMPLES)
FI (1) FI75879C (enEXAMPLES)
FR (1) FR2549110B1 (enEXAMPLES)
NO (1) NO164182C (enEXAMPLES)
NZ (1) NZ208443A (enEXAMPLES)
SE (1) SE451605B (enEXAMPLES)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
EP0472820B1 (en) * 1990-08-17 1997-10-29 Alcell Technologies Inc. Continuous solvent pulping process
US5042264A (en) * 1990-09-21 1991-08-27 Carrier Corporation Method for detecting and correcting reversing valve failures in heat pump systems having a variable speed compressor
FI91893C (fi) * 1993-02-11 1994-08-25 Kone Oy Laitteisto höyryn syöttämiseksi siiloon
BE1013599A7 (nl) * 2000-07-19 2002-04-02 Stavelse Metaalbouw N V Inrichting voor het behandelen van hout door middel van stoom.
FI20040637A7 (fi) * 2004-05-05 2005-11-06 Metso Paper Inc Menetelmä ja laite kaasun poistamiseksi paloiksi pilkotusta materiaalista
FI120772B (fi) * 2004-05-05 2010-02-26 Metso Paper Inc Menetelmä ja laitteisto sellu- ja/tai paperitehtaassa muodostuvien lietteiden määrän vähentämiseksi
FI123037B (fi) * 2004-05-05 2012-10-15 Metso Paper Inc Menetelmä ja laite kaasun poistamiseksi hakkeesta
SE541494C2 (en) * 2017-10-31 2019-10-15 Valmet Oy Reactor arrangement and method for pre-hydrolysis of biomass material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619348A (en) * 1969-09-05 1971-11-09 Defibrator Ab Process for continuous cellulose cooking
SE357219B (enEXAMPLES) * 1970-02-11 1973-06-18 Kamyr Ab
US3871951A (en) * 1971-10-06 1975-03-18 Scm Corp Turpentine recovery by steam distilling woodchips while they are immersed
SE385028B (sv) * 1974-09-10 1976-05-31 S T Gloersen Sett att utjemna fukthalten i porosa material, t.ex. fibermaterial
US4061193A (en) * 1975-09-15 1977-12-06 Kamyr, Inc. Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top
DE2927579C2 (de) * 1979-07-07 1981-08-27 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und Vorrichtung zum drucklosen Imprägnieren von Fasermaterial für die Zellstoffherstellung
SE422604B (sv) * 1980-08-29 1982-03-15 Modo Chemetics Ab Forfarande for flidforvermning
SE8300124D0 (sv) * 1983-01-12 1983-01-12 Billerud Uddeholm Ab Behandling av vedflis

Also Published As

Publication number Publication date
FI75879C (fi) 1988-08-08
NO164182C (no) 1990-09-05
SE451605B (sv) 1987-10-19
FI75879B (fi) 1988-04-29
US4592804A (en) 1986-06-03
AU2937584A (en) 1985-01-03
NZ208443A (en) 1987-10-30
AU571536B2 (en) 1988-04-21
FI842559A0 (fi) 1984-06-26
FI842559A7 (fi) 1984-12-28
FR2549110B1 (fr) 1987-12-11
SE8303646D0 (sv) 1983-06-27
NO164182B (no) 1990-05-28
JPS6021994A (ja) 1985-02-04
JPH0214474B2 (enEXAMPLES) 1990-04-09
NO842571L (no) 1984-12-28
FR2549110A1 (fr) 1985-01-18
SE8303646L (sv) 1984-12-28

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Legal Events

Date Code Title Description
MKEX Expiry