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FI970419L - Method for preparing cellulose pulp - Google Patents

Method for preparing cellulose pulp Download PDF

Info

Publication number
FI970419L
FI970419L FI970419A FI970419A FI970419L FI 970419 L FI970419 L FI 970419L FI 970419 A FI970419 A FI 970419A FI 970419 A FI970419 A FI 970419A FI 970419 L FI970419 L FI 970419L
Authority
FI
Finland
Prior art keywords
cellulose pulp
preparing cellulose
preparing
pulp
cellulose
Prior art date
Application number
FI970419A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI970419A0 (en
FI970419A7 (en
Inventor
Hans-Ludwig Schubert
Mike Meredith
Michael H Sinner
Othar Kordsachia
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 FI970419A0 publication Critical patent/FI970419A0/en
Publication of FI970419L publication Critical patent/FI970419L/en
Publication of FI970419A7 publication Critical patent/FI970419A7/en

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
    • D21C3/003—Pulping cellulose-containing materials with organic 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FI970419A 1996-02-02 1997-01-31 Method for preparing cellulose pulp FI970419A7 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0019696A AT404478B (en) 1996-02-02 1996-02-02 CELLULOSE PRODUCTION

Publications (3)

Publication Number Publication Date
FI970419A0 FI970419A0 (en) 1997-01-31
FI970419L true FI970419L (en) 1997-08-03
FI970419A7 FI970419A7 (en) 1997-08-03

Family

ID=3484037

Family Applications (1)

Application Number Title Priority Date Filing Date
FI970419A FI970419A7 (en) 1996-02-02 1997-01-31 Method for preparing cellulose pulp

Country Status (5)

Country Link
AT (1) AT404478B (en)
BR (1) BR9700837A (en)
FI (1) FI970419A7 (en)
RU (1) RU2135665C1 (en)
SE (1) SE9700283L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2217538C1 (en) * 2002-06-21 2003-11-27 Кочетков Алексей Юрьевич Method for preparing polysulfide lye (variants)
RU2237767C1 (en) * 2003-08-25 2004-10-10 Архангельский государственный технический университет Cellulose manufacture process
RU2265685C1 (en) * 2004-11-25 2005-12-10 Департамент промышленности и науки Пермской области Method of production of fibrous half-finished product
WO2012158075A1 (en) * 2011-05-13 2012-11-22 Metso Paper Sweden Ab Compact process for producing prehydrolyzed pulp
US20140187759A1 (en) * 2012-12-31 2014-07-03 Api Intellectual Property Holdings, Llc Biorefining processes and apparatus for separating cellulose hemicellulose, and lignin from biomass
US20140366870A1 (en) * 2012-12-31 2014-12-18 Api Intellectual Property Holdings, Llc Methods for recovering and recycling salt byproducts in biorefinery processes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453841C (en) * 1984-10-10 1990-04-30 Svenska Traeforskningsinst PREPARATION OF CELLULOSAMASSA WITH SULPHITE-SULPHIDE COOKING FLUID
DE3518005A1 (en) * 1985-05-18 1986-11-20 Kraftanlagen Ag, 6900 Heidelberg SULFITE DIGESTIVE METHOD FOR PRODUCING CELLULAR FROM LIGNOCELLULOSE-CONTAINING MATERIALS WITH RECOVERY OF THE DIGESTIVE CHEMICALS
EP0211558A3 (en) * 1985-07-26 1987-05-27 Biodyne Chemicals, Inc. Process for digesting lignocellulosic material
GB8721528D0 (en) * 1987-09-14 1987-10-21 Shell Int Research Pulping lignocellulose-containing material
PT96722A (en) * 1990-02-12 1991-10-31 Sappi Ltd PROCESS FOR THE PRODUCTION OF PULP FROM A MATERIAL CONTAINING LIGNOCELLULOSE

Also Published As

Publication number Publication date
AT404478B (en) 1998-11-25
RU2135665C1 (en) 1999-08-27
ATA19696A (en) 1998-04-15
SE9700283L (en) 1997-08-03
SE9700283D0 (en) 1997-01-30
FI970419A0 (en) 1997-01-31
FI970419A7 (en) 1997-08-03
BR9700837A (en) 1998-12-08

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