FI970707A0 - Sulfiittikeittomenetelmä - Google Patents

Sulfiittikeittomenetelmä

Info

Publication number
FI970707A0
FI970707A0 FI970707A FI970707A FI970707A0 FI 970707 A0 FI970707 A0 FI 970707A0 FI 970707 A FI970707 A FI 970707A FI 970707 A FI970707 A FI 970707A FI 970707 A0 FI970707 A0 FI 970707A0
Authority
FI
Finland
Prior art keywords
monosulphite
solvent
sulfitkokförfarande
sulphite
celluloses
Prior art date
Application number
FI970707A
Other languages
English (en)
Swedish (sv)
Other versions
FI970707A (fi
Inventor
Karl Dr Fuchs
Albert Huber
Othar Dr Kordsachia
Rudolf Dr Patt
Hans-Ludwig Dr Schubert
Martin Zimmermann
Original Assignee
Impco Voest Alpine Pulp Tech
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 Impco Voest Alpine Pulp Tech filed Critical Impco Voest Alpine Pulp Tech
Publication of FI970707A0 publication Critical patent/FI970707A0/fi
Publication of FI970707A publication Critical patent/FI970707A/fi

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)
FI970707A 1994-08-26 1997-02-19 Sulfiittikeittomenetelmä FI970707A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0165194A AT401068B (de) 1994-08-26 1994-08-26 Sulfitaufschlussverfahren
PCT/AT1995/000170 WO1996006974A1 (de) 1994-08-26 1995-08-25 Sulfitaufschlussverfahren

Publications (2)

Publication Number Publication Date
FI970707A0 true FI970707A0 (fi) 1997-02-19
FI970707A FI970707A (fi) 1997-02-19

Family

ID=3518027

Family Applications (1)

Application Number Title Priority Date Filing Date
FI970707A FI970707A (fi) 1994-08-26 1997-02-19 Sulfiittikeittomenetelmä

Country Status (12)

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

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
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
CA2198485A1 (en) 1996-03-07
ID15812A (id) 1997-08-14
AT401068B (de) 1996-06-25
DE59504281D1 (de) 1998-12-24
ATE173517T1 (de) 1998-12-15

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