CA2036311A1 - Methode pour l'obtention de pate a partir de matieres lignocellulosiques - Google Patents

Methode pour l'obtention de pate a partir de matieres lignocellulosiques

Info

Publication number
CA2036311A1
CA2036311A1 CA002036311A CA2036311A CA2036311A1 CA 2036311 A1 CA2036311 A1 CA 2036311A1 CA 002036311 A CA002036311 A CA 002036311A CA 2036311 A CA2036311 A CA 2036311A CA 2036311 A1 CA2036311 A1 CA 2036311A1
Authority
CA
Canada
Prior art keywords
alkali
pulp
extraction step
pulping
alkali extraction
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
CA002036311A
Other languages
English (en)
Inventor
Stephanus J. Raubenheimer
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.)
Sappi Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2036311A1 publication Critical patent/CA2036311A1/fr
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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
    • 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

Landscapes

  • Paper (AREA)
CA002036311A 1990-02-12 1991-02-12 Methode pour l'obtention de pate a partir de matieres lignocellulosiques Abandoned CA2036311A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA90/1031 1990-02-12
ZA901031 1990-02-12

Publications (1)

Publication Number Publication Date
CA2036311A1 true CA2036311A1 (fr) 1991-08-13

Family

ID=25580010

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002036311A Abandoned CA2036311A1 (fr) 1990-02-12 1991-02-12 Methode pour l'obtention de pate a partir de matieres lignocellulosiques

Country Status (10)

Country Link
EP (1) EP0442806A1 (fr)
AU (1) AU643746B2 (fr)
BR (2) BR9100565A (fr)
CA (1) CA2036311A1 (fr)
FI (1) FI910655A7 (fr)
MW (1) MW191A1 (fr)
NZ (1) NZ237098A (fr)
PT (1) PT96722A (fr)
RU (1) RU2037594C1 (fr)
ZW (1) ZW1191A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8182650B2 (en) 2005-05-24 2012-05-22 International Paper Company Modified Kraft fibers

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401068B (de) * 1994-08-26 1996-06-25 Voest Alpine Ind Anlagen Sulfitaufschlussverfahren
AT404478B (de) * 1996-02-02 1998-11-25 Impco Voest Alpine Pulp Tech Celluloseherstellung
US6057438A (en) * 1996-10-11 2000-05-02 Eastman Chemical Company Process for the co-production of dissolving-grade pulp and xylan
AU9778398A (en) * 1997-10-01 1999-04-23 Weyerhaeuser Company Cellulose treatment and the resulting product
RU2248421C1 (ru) * 2004-01-14 2005-03-20 Полютов Анатолий Александрович Способ получения высокооблагороженной целлюлозы
RU2265685C1 (ru) * 2004-11-25 2005-12-10 Департамент промышленности и науки Пермской области Способ получения волокнистого полуфабриката
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
CN104345126B (zh) * 2014-09-23 2016-02-17 周栋 一种快速评价楹木硫酸盐法制浆工艺的方法
CN104330525B (zh) * 2014-09-24 2016-03-23 梁朔 一种快速评价桉木烧碱蒽醌法制浆工艺的方法
EP3215542B1 (fr) 2014-11-12 2021-10-20 Renmatix, Inc. Procédé de coalescence d'une substance
SE538752C2 (en) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp
GB2534589A (en) * 2015-01-28 2016-08-03 Innovia Films Ltd Process
SG10201503723TA (en) * 2015-05-12 2016-12-29 Pt Sateri Viscose Internat Dissolving Pulp
FI130070B (fi) * 2018-03-07 2023-01-31 Andritz Oy Menetelmä liukosellun valmistamiseksi
FI130568B (en) 2020-07-06 2023-11-21 Amppc Finland Oy Cooking procedure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2301314A (en) * 1935-02-16 1942-11-10 Univ Minnesota Board Of Regent Process of making alpha cellulose

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8182650B2 (en) 2005-05-24 2012-05-22 International Paper Company Modified Kraft fibers
US8328983B2 (en) 2005-05-24 2012-12-11 International Paper Company Modified kraft fibers

Also Published As

Publication number Publication date
AU643746B2 (en) 1993-11-25
FI910655A0 (fi) 1991-02-11
RU2037594C1 (ru) 1995-06-19
FI910655L (fi) 1991-08-13
PT96722A (pt) 1991-10-31
EP0442806A1 (fr) 1991-08-21
MW191A1 (en) 1991-09-10
BR9100565A (pt) 1991-10-29
AU7098791A (en) 1991-08-15
NZ237098A (en) 1994-01-26
FI910655A7 (fi) 1991-08-13
BR9100592A (pt) 1991-10-29
ZW1191A1 (en) 1991-08-28

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Legal Events

Date Code Title Description
FZDE Discontinued