SE8204431L - Forfarande for halvkemisk massatillverkning med ateranvendning av avluten - Google Patents

Forfarande for halvkemisk massatillverkning med ateranvendning av avluten

Info

Publication number
SE8204431L
SE8204431L SE8204431A SE8204431A SE8204431L SE 8204431 L SE8204431 L SE 8204431L SE 8204431 A SE8204431 A SE 8204431A SE 8204431 A SE8204431 A SE 8204431A SE 8204431 L SE8204431 L SE 8204431L
Authority
SE
Sweden
Prior art keywords
semi
procedure
mass preparation
chemical mass
liquor
Prior art date
Application number
SE8204431A
Other languages
Unknown language ( )
English (en)
Other versions
SE8204431D0 (sv
Inventor
G J Barker
Original Assignee
Australian Paper Manufacturers
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 Australian Paper Manufacturers filed Critical Australian Paper Manufacturers
Publication of SE8204431D0 publication Critical patent/SE8204431D0/sv
Publication of SE8204431L publication Critical patent/SE8204431L/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
    • D21C3/22—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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
SE8204431A 1980-11-25 1982-07-22 Forfarande for halvkemisk massatillverkning med ateranvendning av avluten SE8204431L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPE661680 1980-11-25

Publications (2)

Publication Number Publication Date
SE8204431D0 SE8204431D0 (sv) 1982-07-22
SE8204431L true SE8204431L (sv) 1982-07-22

Family

ID=3768846

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8204431A SE8204431L (sv) 1980-11-25 1982-07-22 Forfarande for halvkemisk massatillverkning med ateranvendning av avluten

Country Status (4)

Country Link
JP (1) JPS57501868A (sv)
AU (1) AU7782181A (sv)
SE (1) SE8204431L (sv)
WO (1) WO1982001901A1 (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647363A (en) * 1969-08-06 1972-03-07 Owens Illinois Inc Recovery of sulfur values from flue gases with oxidized neutral sulfite green liquor
US3738908A (en) * 1971-06-01 1973-06-12 Process Evaluation Devel Prehydrolysis and digestion of bagasse fibers
CA1013510A (en) * 1973-06-18 1977-07-12 Takeji Tanaka Process for recovery of pulp digesting chemicals
AU473185B2 (en) * 1973-07-25 1976-06-17 Mooch Domsjo Aktiebolag A method for producing oxidized white liquor
AU516988B2 (en) * 1977-05-02 1981-07-02 Australian Paper Manufacturers Limited Alkaline pulping process

Also Published As

Publication number Publication date
JPS57501868A (sv) 1982-10-21
SE8204431D0 (sv) 1982-07-22
WO1982001901A1 (en) 1982-06-10
AU7782181A (en) 1982-06-03

Similar Documents

Publication Publication Date Title
ZA772545B (en) Delignification and bleaching of a lignocellulosic pulp slurry with ozone
FI874113A (fi) Foerfarande foer behandling av pappersmassa med entzymloesning.
GB2006852B (en) Delignification of wood pulp
EP0415149A3 (en) Process for bleaching and delignification of lignocellulosic materials
NZ193456A (en) Peroxide delignification of unbleached chemical wood pulp
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
AU8329182A (en) Method for the delignifying bleaching of cellulose pulp
ATE21133T1 (de) Verfahren zur herstellung von halbgebleichten zellstoffen.
BR9204097A (pt) Processo para obtener melhorada,seletividade de deslignificacao de polpa durante a deslignificacao com oxigenio,de elevada consistencia
FI843242A0 (fi) Foerfarande foer peroxidblekning av cellulosahaltigt material.
SE8204431L (sv) Forfarande for halvkemisk massatillverkning med ateranvendning av avluten
FI871089A (fi) Anvaendning av rldmtm1-6 och andra ligninolytiska enzymer.
JPS57121691A (en) Delignifying and/or bleaching of cellulose pulp
AU2465177A (en) Delignification and bleaching of a lignocellulosic pulp slurry with ozone
JPS5545806A (en) Peroxide bleaching method of wood pulp
SE9202338D0 (sv) Use of wash press for pulp alkali addition process
SE8405061L (sv) Sett att framstella cellulosamassa
FI793720A (fi) Foerfarande foer faergfoerbaettring och luktborttagning av sulfatmassa
AU2202188A (en) Method of bleaching or delignification of cellulose pulp with oxygen
JPS5522067A (en) Bleaching of broadleaf tree unbleached kraft pulp
JPS57171785A (en) Production of bleached pulp from unbleached used paper
SE9203801D0 (sv) Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering
JPS57121690A (en) Delignifying and/or bleaching of cellulose pulp
JPS57167474A (en) Production of hogh viscosity bleached pulp from unbleached used paper
ZA79388B (en) An anti-pollution process for bleaching wood pulp

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8204431-4

Effective date: 19880429

Format of ref document f/p: F