ZA956506B - Alkaline sulphite pulping - Google Patents

Alkaline sulphite pulping

Info

Publication number
ZA956506B
ZA956506B ZA956506A ZA956506A ZA956506B ZA 956506 B ZA956506 B ZA 956506B ZA 956506 A ZA956506 A ZA 956506A ZA 956506 A ZA956506 A ZA 956506A ZA 956506 B ZA956506 B ZA 956506B
Authority
ZA
South Africa
Prior art keywords
monosulphite
solvent
alkaline
sulphite pulping
alkaline sulphite
Prior art date
Application number
ZA956506A
Other languages
English (en)
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 ZA956506B publication Critical patent/ZA956506B/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00Pretreatment of the finely-divided materials before digesting
    • D21C1/06Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/20Pulping cellulose-containing materials with organic solvents or in solvent environment
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/222Use 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)
ZA956506A 1994-08-26 1995-08-03 Alkaline sulphite pulping ZA956506B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA956506B true ZA956506B (en) 1996-03-18

Family

ID=3518027

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA956506A ZA956506B (en) 1994-08-26 1995-08-03 Alkaline sulphite pulping

Country Status (12)

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

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
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
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

Similar Documents

Publication Publication Date Title
IN161416B (xx)
BR9405642A (pt) Processo para a preparação de soluções de celulose
MY115308A (en) Spinning cell
MX9805144A (es) Un metodo para producir un material absorbente, un material absorbente y articulos absorbentes incluyendo el material en cuestion.
MY131651A (en) Fibre production process
FI96521B (fi) Menetelmä puumassan samanaikaiseksi jauhamiseksi ja valkaisemiseksi
TW281705B (xx)
ES8704569A1 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
ZA956506B (en) Alkaline sulphite pulping
HK1025339A1 (en) Method for viscose production
MY102502A (en) A process for the manufature of cellulose pulps
EA199900013A1 (ru) Препараты лейкоиндиго в форме гранулята, способ их получения и способ крашения текстильных материалов, содержащих целлюлозу
NO953397L (no) Fremgangsmåte og anlegg for fremstilling av celluloseavlut
SE9603859D0 (sv) Förfarande vid tillverkning av lignocellulosa
EP0287960A3 (en) A process for the production of a hemicellulose hydrolysate and special pulp
NO875428D0 (no) Fremgangsmaate for resirkulering av fenol i en kokeprosess for lignocelluloseholdige materialer.
HU908457D0 (en) Process for reducing dangerous waste material character of old, rejected production or used dry batteries as well as for recovery of components included in them
NO168490C (no) Fremgangsmaate ved delignifisering av celluloseholdig materiale.
EP0178293A3 (en) Process for the production of cellulose threads and fibres, and device for carrying out the process
PT881326E (pt) Processo para a preparacao de celuloses speciais branqueadas
KR960009574B1 (en) Improved process for dyeing cellulosic fibres using reactive dyes, and alkaline solution used for implementing this process
CS52288A1 (en) Method of 2-furfuraldehyde and cellulose production fro, lignocellulosic raw materials