SE9700283L - Framställningsprocess för pappersmassa - Google Patents

Framställningsprocess för pappersmassa

Info

Publication number
SE9700283L
SE9700283L SE9700283A SE9700283A SE9700283L SE 9700283 L SE9700283 L SE 9700283L SE 9700283 A SE9700283 A SE 9700283A SE 9700283 A SE9700283 A SE 9700283A SE 9700283 L SE9700283 L SE 9700283L
Authority
SE
Sweden
Prior art keywords
alkaline
making process
pulp making
aqueous
cooking
Prior art date
Application number
SE9700283A
Other languages
English (en)
Other versions
SE9700283D0 (sv
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 SE9700283D0 publication Critical patent/SE9700283D0/sv
Publication of SE9700283L publication Critical patent/SE9700283L/sv

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)
SE9700283A 1996-02-02 1997-01-30 Framställningsprocess för pappersmassa SE9700283L (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE9700283D0 SE9700283D0 (sv) 1997-01-30
SE9700283L true SE9700283L (sv) 1997-08-03

Family

ID=3484037

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700283A SE9700283L (sv) 1996-02-02 1997-01-30 Framställningsprocess för pappersmassa

Country Status (5)

Country Link
AT (1) AT404478B (sv)
BR (1) BR9700837A (sv)
FI (1) FI970419A (sv)
RU (1) RU2135665C1 (sv)
SE (1) SE9700283L (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2546497C1 (ru) * 2011-05-13 2015-04-10 Вальмет Актиеболаг Компактный способ производства предварительно гидролизованной целлюлозы
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
SE9700283D0 (sv) 1997-01-30
ATA19696A (de) 1998-04-15
FI970419A0 (sv) 1997-01-31
FI970419A (sv) 1997-08-03
RU2135665C1 (ru) 1999-08-27
AT404478B (de) 1998-11-25
BR9700837A (pt) 1998-12-08

Similar Documents

Publication Publication Date Title
FI103898B1 (sv) Förfarande för framställning av förhydrolyserad kemisk massa och/eller cellulosamassa
FI974455A0 (fi) Foerfarande foer produktion av foerrenad massa
ES2038097T1 (es) Procedimiento para blanquear pastas papeleras que contienen lignocelulosa.
BR9206013A (pt) Processo para deslignificação de material contendo lignocelulose, alvejamento e tratamento de águas residuais por meio de lacases com eficiência melhorada.
KR900018470A (ko) 고지의 생물학적 탈묵에 의한 재생방법
BR9609008A (pt) Processo de produção de polpa a partir de materiais de planta fibrosos, aparelho para a formação de polpa de materiais de planta fibrosos e polpa.
ATE7237T1 (de) Verfahren zur regenerierung von altpapier.
IT8324468A0 (it) Macchina di disidratazione per cellulosa, fanghi o materiali fibrosi analoghi.
ATE132926T1 (de) Verfahren zur delignifizierung von chemischen zellstoffen
DE3669334D1 (de) Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien.
FI103902B1 (sv) Förfarande för framställning av alkalisk kokvätska med hög sulfidhalt för framställning av sulfatcellulosa
NO912641D0 (no) Kontinuerlig, totrinns blekeprosess for papirmasse.
SE9700283L (sv) Framställningsprocess för pappersmassa
FI971922A (sv) Förfarande för tilllvaratagning av cellulosa
JPS57500933A (sv)
BR9509738A (pt) Processo para reduzir a contaminação em um licor celulósico devido a material de aderência coloidal derivado de formação de pasta ou remoção de tinta de material celulósico
FI954113A0 (sv) Förfarande för dilignifiering av kemisk pappersmassa
DE69304723D1 (de) Verfahren zur Delignifizierung von Zellstoffpulpe
DE59402342D1 (de) Verbessertes Verfahren zur Bleiche von Holzstoffen
DK0431337T3 (da) Fremgangsmåde til afkisling af den affaldslud, som fås ved cellulosemasseoplukning
WO2001059202A3 (en) Pulping process
ATE165585T1 (de) Verfahren zu einer elektrochemischen behandlung von zellstoffablauge
SE9301834D0 (sv) A pulp production process
DK0881326T3 (da) Fremgangsmåde til fremstilling af blegede specialcellulosemasser
NO951464L (no) Fremgangsmåte til behandling av sulfittmasse för bleking med oksygenholdige kjemikalier

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9700283-6

Format of ref document f/p: F