CA2282094A1 - Pulp cooking with particular alkali profiles - Google Patents

Pulp cooking with particular alkali profiles Download PDF

Info

Publication number
CA2282094A1
CA2282094A1 CA002282094A CA2282094A CA2282094A1 CA 2282094 A1 CA2282094 A1 CA 2282094A1 CA 002282094 A CA002282094 A CA 002282094A CA 2282094 A CA2282094 A CA 2282094A CA 2282094 A1 CA2282094 A1 CA 2282094A1
Authority
CA
Canada
Prior art keywords
stage
temperature
recited
practiced
slurry
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.)
Abandoned
Application number
CA002282094A
Other languages
English (en)
French (fr)
Inventor
Auvo K. Kettunen
Jian E. Jiang
C. Bertil Stromberg
Kaj O. Henricson
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.)
Andritz Inc
Original Assignee
Ahlstrom Machinery Inc
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 Ahlstrom Machinery Inc filed Critical Ahlstrom Machinery Inc
Publication of CA2282094A1 publication Critical patent/CA2282094A1/en
Abandoned 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
    • 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
    • D21C3/26—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
    • D21C7/00—Digesters
    • D21C7/10—Heating devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
CA002282094A 1998-10-26 1999-09-13 Pulp cooking with particular alkali profiles Abandoned CA2282094A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/178,512 US20010032711A1 (en) 1998-10-26 1998-10-26 Pulp cooking with particular alkali profiles
US09/178,512 1998-10-26

Publications (1)

Publication Number Publication Date
CA2282094A1 true CA2282094A1 (en) 2000-04-26

Family

ID=22652828

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002282094A Abandoned CA2282094A1 (en) 1998-10-26 1999-09-13 Pulp cooking with particular alkali profiles

Country Status (5)

Country Link
US (2) US20010032711A1 (sv)
JP (1) JP3484382B2 (sv)
CA (1) CA2282094A1 (sv)
FI (1) FI19992291A (sv)
SE (1) SE9903344L (sv)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110512453A (zh) * 2019-08-29 2019-11-29 乐恒香 一种硬质纤维熟化系统及其制浆方法
US10612059B2 (en) 2015-04-10 2020-04-07 Comet Biorefining Inc. Methods and compositions for the treatment of cellulosic biomass and products produced thereby
US10633461B2 (en) 2018-05-10 2020-04-28 Comet Biorefining Inc. Compositions comprising glucose and hemicellulose and their use

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
SE518993E (sv) * 2002-01-24 2013-04-23 Metso Paper Sweden Ab Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
US8317975B2 (en) * 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
US7771565B2 (en) * 2006-02-21 2010-08-10 Packaging Corporation Of America Method of pre-treating woodchips prior to mechanical pulping
US20070240837A1 (en) * 2006-04-13 2007-10-18 Andritz Inc. Hardwood alkaline pulping processes and systems
AT503611B1 (de) * 2006-05-10 2009-05-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
AT503610B1 (de) * 2006-05-10 2012-03-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
US9260818B2 (en) * 2007-05-23 2016-02-16 Andritz Inc. Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
CA2638196C (en) 2007-08-07 2015-12-15 Andritz Inc. Method and system for semi-chemical pulping
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping
FI20105799A0 (sv) 2010-07-13 2010-07-13 Olli Joutsimo Förbättrad process för framställning av kemisk massa
SE546238C2 (en) * 2022-06-27 2024-07-23 Valmet Oy Method for processing cellulose pulp obtained from a kraft process

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452482B (sv) * 1982-04-28 1987-11-30 Sunds Defibrator Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad
ATE125010T1 (de) * 1990-09-20 1995-07-15 Kvaerner Pulping Tech Tränkung mit schwarzlauge vor der zufuhr der weisslauge.
SE500455C2 (sv) * 1992-11-18 1994-06-27 Kamyr Ab Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
US5766413A (en) * 1993-04-23 1998-06-16 Kvaerner Pulping Ab Process for isothermal cooking pulp in a continuous digester
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US5522958A (en) * 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking
US5660686A (en) * 1994-09-02 1997-08-26 Ahlstrom Machinery Inc. Cooking with spent liquor pretreatment of cellulose material
US5690788A (en) * 1994-10-11 1997-11-25 James River Corporation Of Virginia Biaxially undulatory tissue and creping process using undulatory blade
US5935026A (en) * 1994-11-18 1999-08-10 Sports Licensing, Inc. Lacrosse stick and head frame therefor
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation
US5635026A (en) * 1995-11-13 1997-06-03 Ahlstrom Machinery Inc. Cooking cellulose material with high alkali concentrations and/or high pH
US5958181A (en) * 1997-08-07 1999-09-28 Ahlstrom Machinery, Inc. Continuous cooking with a two-stage cool impregnation
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
US6576084B1 (en) * 1999-09-13 2003-06-10 Andritz Inc. Method of pretreating pulp with yield or strength-enhancing additive
AU2003291874A1 (en) * 2003-06-03 2005-01-21 David Tarasenko Method for producing pulp and lignin

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10612059B2 (en) 2015-04-10 2020-04-07 Comet Biorefining Inc. Methods and compositions for the treatment of cellulosic biomass and products produced thereby
US11692211B2 (en) 2015-04-10 2023-07-04 Comet Biorefining Inc. Methods and compositions for the treatment of cellulosic biomass and products produced thereby
US10633461B2 (en) 2018-05-10 2020-04-28 Comet Biorefining Inc. Compositions comprising glucose and hemicellulose and their use
US11525016B2 (en) 2018-05-10 2022-12-13 Comet Biorefining Inc. Compositions comprising glucose and hemicellulose and their use
CN110512453A (zh) * 2019-08-29 2019-11-29 乐恒香 一种硬质纤维熟化系统及其制浆方法
CN110512453B (zh) * 2019-08-29 2021-11-26 乐恒香 一种硬质纤维熟化系统及其制浆方法

Also Published As

Publication number Publication date
SE9903344D0 (sv) 1999-09-17
US20050087314A1 (en) 2005-04-28
US20010032711A1 (en) 2001-10-25
JP3484382B2 (ja) 2004-01-06
JP2000129586A (ja) 2000-05-09
FI19992291A (sv) 2000-04-26
SE9903344L (sv) 2000-04-27

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued