DE69308831T2 - Verfahren zur zellstoffherstellung - Google Patents

Verfahren zur zellstoffherstellung

Info

Publication number
DE69308831T2
DE69308831T2 DE69308831T DE69308831T DE69308831T2 DE 69308831 T2 DE69308831 T2 DE 69308831T2 DE 69308831 T DE69308831 T DE 69308831T DE 69308831 T DE69308831 T DE 69308831T DE 69308831 T2 DE69308831 T2 DE 69308831T2
Authority
DE
Germany
Prior art keywords
wood
solvent
organic solvent
pulp
cook
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
DE69308831T
Other languages
English (en)
Other versions
DE69308831D1 (de
Inventor
Kari Ebeling
Kaj Henricson
Torolf Laxen
Bruno Loennberg
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 Oy
Original Assignee
Ahlstrom Corp
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 Ahlstrom Corp filed Critical Ahlstrom Corp
Application granted granted Critical
Publication of DE69308831D1 publication Critical patent/DE69308831D1/de
Publication of DE69308831T2 publication Critical patent/DE69308831T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment

Landscapes

  • Paper (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Catalysts (AREA)
DE69308831T 1992-04-06 1993-04-01 Verfahren zur zellstoffherstellung Expired - Fee Related DE69308831T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US86397792A 1992-04-06 1992-04-06
US1911393A 1993-02-17 1993-02-17
PCT/FI1993/000137 WO1993020279A1 (en) 1992-04-06 1993-04-01 Method of producing pulp

Publications (2)

Publication Number Publication Date
DE69308831D1 DE69308831D1 (de) 1997-04-17
DE69308831T2 true DE69308831T2 (de) 1997-07-31

Family

ID=26691861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69308831T Expired - Fee Related DE69308831T2 (de) 1992-04-06 1993-04-01 Verfahren zur zellstoffherstellung

Country Status (7)

Country Link
EP (1) EP0635080B1 (de)
JP (1) JP2667058B2 (de)
AT (1) ATE150112T1 (de)
CA (1) CA2133574C (de)
DE (1) DE69308831T2 (de)
RU (1) RU2084574C1 (de)
WO (1) WO1993020279A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
FI122838B (fi) * 2005-03-31 2012-07-31 Metso Paper Inc Menetelmä massan valmistamiseksi lignoselluloosamateriaalista
WO2009089439A1 (en) * 2008-01-11 2009-07-16 Novozymes A/S Delignification of lignocellulose-containing material
FR2937656B1 (fr) * 2008-10-24 2010-11-19 Arkema France Procede de fabrication de pate a papier
JP2013042727A (ja) * 2011-08-26 2013-03-04 Kawasaki Heavy Ind Ltd リグノセルロース系バイオマスからエタノールを製造する方法及びその前処理方法
CN105239435B (zh) * 2015-09-02 2018-03-27 广州市楹晟生物科技有限公司 一种木质纤维原料的处理方法
CN110194446B (zh) * 2019-06-10 2022-05-13 广西科学院 一种以纤维素深度水解得到的2d纤维素为原料的石墨烯2d粉体的制备方法
CN114645479B (zh) * 2020-12-19 2023-07-25 山东洲星天然物提取智能设备有限公司 一种纸浆的制备方法
EP4023813A1 (de) * 2020-12-29 2022-07-06 Technische Universität Wien Verfahren zur herstellung von produkten auf basis von holz als rohstoff
EP4023812A1 (de) 2020-12-29 2022-07-06 MM BOARD & PAPER GmbH Verfahren zur herstellung von produkten auf basis von holz als rohstoff

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585104A (en) * 1968-07-29 1971-06-15 Theodor N Kleinert Organosolv pulping and recovery process
DE2644155C2 (de) * 1976-09-30 1978-07-27 Theodor N. Dr. Pointe Claire Quebec Kleinert (Kanada) Kontinuierliches Aufschluß- und Ruckgewinnungsverfahren für pflanzliche Faserrohstoffe zur Herstellung von Zellstoff im organischen Lösungsmittel
CA1150012A (en) * 1980-07-25 1983-07-19 Pei-Ching Chang Aqueous catalysed solvent pulping of lignocellulose

Also Published As

Publication number Publication date
CA2133574C (en) 1997-12-30
WO1993020279A1 (en) 1993-10-14
JP2667058B2 (ja) 1997-10-22
EP0635080A1 (de) 1995-01-25
JPH07501860A (ja) 1995-02-23
EP0635080B1 (de) 1997-03-12
ATE150112T1 (de) 1997-03-15
RU2084574C1 (ru) 1997-07-20
RU94045883A (ru) 1996-08-20
CA2133574A1 (en) 1993-10-14
DE69308831D1 (de) 1997-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AHLSTROM MACHINERY OY, HELSINKI, FI

8339 Ceased/non-payment of the annual fee