SE9700283D0 - Framställningsprocess för pappersmassa - Google Patents

Framställningsprocess för pappersmassa

Info

Publication number
SE9700283D0
SE9700283D0 SE9700283A SE9700283A SE9700283D0 SE 9700283 D0 SE9700283 D0 SE 9700283D0 SE 9700283 A SE9700283 A SE 9700283A SE 9700283 A SE9700283 A SE 9700283A SE 9700283 D0 SE9700283 D0 SE 9700283D0
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
SE9700283L (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

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

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 true SE9700283D0 (sv) 1997-01-30
SE9700283L 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
CA2837277C (en) * 2011-05-13 2017-06-27 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 (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
FI970419A (sv) 1997-08-03
ATA19696A (de) 1998-04-15
SE9700283L (sv) 1997-08-03
RU2135665C1 (ru) 1999-08-27
BR9700837A (pt) 1998-12-08
AT404478B (de) 1998-11-25
FI970419A0 (sv) 1997-01-31

Similar Documents

Publication Publication Date Title
FI103898B (sv) Förfarande för framställning av förhydrolyserad kemisk massa och/eller cellulosamassa
FI974455A (sv) Förfarande för produktion av förrenad 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
BR8103169A (pt) Processo para regeneracao de papeis velhos com constituintes encapsulados
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.
IT8324468A0 (it) Macchina di disidratazione per cellulosa, fanghi o materiali fibrosi analoghi.
ATE132926T1 (de) Verfahren zur delignifizierung von chemischen zellstoffen
ATE50812T1 (de) Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien.
DE69105124T2 (de) Ein verfahren zur stoffaufbereitung unter verwendung von cellulase.
SE9700283L (sv) Framställningsprocess för pappersmassa
DE69001975T2 (de) Verfahren zur Herstellung von gebleichtem, pflanzlichem Fruchtfleisch.
FI971922A (sv) Förfarande för tilllvaratagning av cellulosa
BR9814635B1 (pt) processos para determinar a concentraÇço de espÉcies aniânicas, e para controlar a operaÇço de operaÇÕes unitÁrias individuais dentro de um processo de manufatura de polpa celulàsica, e, aparelho para determinar a concentraÇço de uma espÉcie aniânica selecionada a partir do grupo que consiste de oh-, co3= e hs- em uma soluÇço aquosa.
ATE5268T1 (de) Verfahren und mischung zur herstellung von cellulosepulpen.
MX167744B (es) Un metodo para lavar pasta de papel celulosica alclina
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
DE59402342D1 (de) Verbessertes Verfahren zur Bleiche von Holzstoffen
DK0431337T3 (da) Fremgangsmåde til afkisling af den affaldslud, som fås ved cellulosemasseoplukning
WO2001059202A3 (en) Pulping process
SE9301834D0 (sv) A pulp production process
MX9709857A (es) Formacion de pulpa de organosolv modificado.
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