CA2198485A1 - Sulphite pulping process - Google Patents

Sulphite pulping process

Info

Publication number
CA2198485A1
CA2198485A1 CA002198485A CA2198485A CA2198485A1 CA 2198485 A1 CA2198485 A1 CA 2198485A1 CA 002198485 A CA002198485 A CA 002198485A CA 2198485 A CA2198485 A CA 2198485A CA 2198485 A1 CA2198485 A1 CA 2198485A1
Authority
CA
Canada
Prior art keywords
digestion
impregnating
process according
monosulphite
raw material
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
CA002198485A
Other languages
English (en)
French (fr)
Inventor
Karl Fuchs
Albert Huber
Hans-Ludwig Schubert
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.)
Impco-Voest-Alpine Pulping Technologies GmbH
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 CA2198485A1 publication Critical patent/CA2198485A1/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
CA002198485A 1994-08-26 1995-08-25 Sulphite pulping process Abandoned CA2198485A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1651/94 1994-08-26
AT0165194A AT401068B (de) 1994-08-26 1994-08-26 Sulfitaufschlussverfahren

Publications (1)

Publication Number Publication Date
CA2198485A1 true CA2198485A1 (en) 1996-03-07

Family

ID=3518027

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002198485A Abandoned CA2198485A1 (en) 1994-08-26 1995-08-25 Sulphite pulping process

Country Status (12)

Country Link
EP (1) EP0777780B1 (ru)
CN (1) CN1160426A (ru)
AT (2) AT401068B (ru)
BR (1) BR9508634A (ru)
CA (1) CA2198485A1 (ru)
DE (1) DE59504281D1 (ru)
ES (1) ES2126305T3 (ru)
FI (1) FI970707A (ru)
ID (1) ID15812A (ru)
RU (1) RU2124083C1 (ru)
WO (1) WO1996006974A1 (ru)
ZA (1) ZA956506B (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1325723C (zh) * 2005-03-09 2007-07-11 中国制浆造纸研究院 棉杆或灌木或枝桠材的制浆方法
PL2376642T3 (pl) * 2008-12-17 2014-05-30 Borregaard As Konwersja biomasy lignocelulozowej przez siarczynową obróbkę wstępną
CN104878638B (zh) * 2015-06-24 2017-09-15 济南圣泉集团股份有限公司 纤维素、木质素磺酸盐的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3518005A1 (de) * 1985-05-18 1986-11-20 Kraftanlagen Ag, 6900 Heidelberg Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien
DE4103572C2 (de) * 1991-02-06 1995-11-23 Organocell Ges Fuer Zellstoff Verfahren zum Delignifizieren von Pflanzenfasermaterial
AT398440B (de) * 1991-10-25 1994-12-27 Waagner Biro Ag Verfahren zur rückgewinnung der chemikalien der kochlauge

Also Published As

Publication number Publication date
EP0777780A1 (de) 1997-06-11
ZA956506B (en) 1996-03-18
FI970707A0 (fi) 1997-02-19
ATA165194A (de) 1995-10-15
CN1160426A (zh) 1997-09-24
ES2126305T3 (es) 1999-03-16
WO1996006974A1 (de) 1996-03-07
RU2124083C1 (ru) 1998-12-27
FI970707A (fi) 1997-02-19
EP0777780B1 (de) 1998-11-18
BR9508634A (pt) 1997-12-30
ID15812A (id) 1997-08-14
AT401068B (de) 1996-06-25
DE59504281D1 (de) 1998-12-24
ATE173517T1 (de) 1998-12-15

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued