BR9700837A - Processo para a produção de polpa - Google Patents

Processo para a produção de polpa

Info

Publication number
BR9700837A
BR9700837A BR9700837A BR9700837A BR9700837A BR 9700837 A BR9700837 A BR 9700837A BR 9700837 A BR9700837 A BR 9700837A BR 9700837 A BR9700837 A BR 9700837A BR 9700837 A BR9700837 A BR 9700837A
Authority
BR
Brazil
Prior art keywords
pulp
production
Prior art date
Application number
BR9700837A
Other languages
English (en)
Portuguese (pt)
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 BR9700837A publication Critical patent/BR9700837A/pt

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)
BR9700837A 1996-02-02 1997-01-31 Processo para a produção de polpa BR9700837A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0019696A AT404478B (de) 1996-02-02 1996-02-02 Celluloseherstellung

Publications (1)

Publication Number Publication Date
BR9700837A true BR9700837A (pt) 1998-12-08

Family

ID=3484037

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9700837A BR9700837A (pt) 1996-02-02 1997-01-31 Processo para a produção de polpa

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2217538C1 (ru) * 2002-06-21 2003-11-27 Кочетков Алексей Юрьевич Способ получения полисульфидного щелока (варианты)
RU2237767C1 (ru) * 2003-08-25 2004-10-10 Архангельский государственный технический университет Способ получения целлюлозы
RU2265685C1 (ru) * 2004-11-25 2005-12-10 Департамент промышленности и науки Пермской области Способ получения волокнистого полуфабриката
CA2837277C (en) * 2011-05-13 2017-06-27 Metso Paper Sweden Ab Compact process for producing prehydrolyzed pulp
US20140366870A1 (en) * 2012-12-31 2014-12-18 Api Intellectual Property Holdings, Llc Methods for recovering and recycling salt byproducts in biorefinery processes
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453841C (sv) * 1984-10-10 1990-04-30 Svenska Traeforskningsinst Framstaellning av cellulosamassa med sulfit-sulfidkokvaetska
DE3518005A1 (de) * 1985-05-18 1986-11-20 Kraftanlagen Ag, 6900 Heidelberg Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien
EP0211558A3 (de) * 1985-07-26 1987-05-27 Biodyne Chemicals, Inc. Verfahren zum Aufschluss von Lignocellulosematerial
GB8721528D0 (en) * 1987-09-14 1987-10-21 Shell Int Research Pulping lignocellulose-containing material
BR9100565A (pt) * 1990-02-12 1991-10-29 Sappi Ltd Processo para producao de polpa dissolvente de qualidade e processo para reducao de teor de lignina de polpa nao descorada

Also Published As

Publication number Publication date
SE9700283L (sv) 1997-08-03
SE9700283D0 (sv) 1997-01-30
FI970419L (fi) 1997-08-03
RU2135665C1 (ru) 1999-08-27
AT404478B (de) 1998-11-25
FI970419A7 (fi) 1997-08-03
ATA19696A (de) 1998-04-15
FI970419A0 (fi) 1997-01-31

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B11T Dismissal of application maintained [chapter 11.20 patent gazette]