CA2189899C - Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson - Google Patents

Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson Download PDF

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Publication number
CA2189899C
CA2189899C CA 2189899 CA2189899A CA2189899C CA 2189899 C CA2189899 C CA 2189899C CA 2189899 CA2189899 CA 2189899 CA 2189899 A CA2189899 A CA 2189899A CA 2189899 C CA2189899 C CA 2189899C
Authority
CA
Canada
Prior art keywords
cooking
liquor
alkali
digester
pulp
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 - Fee Related
Application number
CA 2189899
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English (en)
Other versions
CA2189899A1 (fr
Inventor
Auvo K. Kettunen
Kaj O. Henricson
Aki H. Vilpponen
Jian Er Jiang
Bruno S. Marcoccia
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
Andritz 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27071640&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2189899(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US08/558,138 external-priority patent/US5635026A/en
Application filed by Andritz Inc filed Critical Andritz Inc
Publication of CA2189899A1 publication Critical patent/CA2189899A1/fr
Application granted granted Critical
Publication of CA2189899C publication Critical patent/CA2189899C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Paper (AREA)
CA 2189899 1995-11-13 1996-11-08 Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson Expired - Fee Related CA2189899C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/558,138 US5635026A (en) 1995-11-13 1995-11-13 Cooking cellulose material with high alkali concentrations and/or high pH
US08/558,138 1995-11-13
US08/736,112 US5779856A (en) 1995-11-13 1996-10-24 Cooking cellulose material using high alkali concentrations and/or high pH near the end of the cook
US08/736,112 1996-10-24

Publications (2)

Publication Number Publication Date
CA2189899A1 CA2189899A1 (fr) 1997-05-14
CA2189899C true CA2189899C (fr) 2002-07-16

Family

ID=27071640

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2189899 Expired - Fee Related CA2189899C (fr) 1995-11-13 1996-11-08 Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson

Country Status (2)

Country Link
CA (1) CA2189899C (fr)
FI (1) FI120362B (fr)

Cited By (1)

* 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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2010324993B2 (en) * 2009-11-24 2014-05-22 Andritz Inc. Method and system for thin chip digester cooking
CN120092937A (zh) 2018-05-10 2025-06-06 彗星生物炼制公司 含有葡萄糖和半纤维素的组合物及其用途
PH12021552859A1 (en) 2019-05-10 2022-12-19 Comet Biorefining Inc Materials and methods for producing arabinoxylan compositions

Cited By (1)

* 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

Also Published As

Publication number Publication date
FI964530A0 (fi) 1996-11-12
FI120362B (fi) 2009-09-30
FI964530A7 (fi) 1997-05-14
CA2189899A1 (fr) 1997-05-14

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