SE9501287L - Elektrokemiskt förfarande - Google Patents

Elektrokemiskt förfarande

Info

Publication number
SE9501287L
SE9501287L SE9501287A SE9501287A SE9501287L SE 9501287 L SE9501287 L SE 9501287L SE 9501287 A SE9501287 A SE 9501287A SE 9501287 A SE9501287 A SE 9501287A SE 9501287 L SE9501287 L SE 9501287L
Authority
SE
Sweden
Prior art keywords
electrochemical process
alkali metal
green liquor
sulfide
oxidize
Prior art date
Application number
SE9501287A
Other languages
English (en)
Other versions
SE515833C2 (sv
SE9501287D0 (sv
Inventor
Johan Landfors
Bo Haakansson
Original Assignee
Eka Chemicals Ab
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 Eka Chemicals Ab filed Critical Eka Chemicals Ab
Priority to SE9501287A priority Critical patent/SE515833C2/sv
Publication of SE9501287D0 publication Critical patent/SE9501287D0/sv
Priority to BR9601235A priority patent/BR9601235A/pt
Priority to CA002173191A priority patent/CA2173191C/en
Priority to PT101862A priority patent/PT101862B/pt
Priority to FI961467A priority patent/FI110878B/sv
Priority to NZ286303A priority patent/NZ286303A/en
Priority to US08/627,290 priority patent/US5653861A/en
Priority to JP08108723A priority patent/JP3098422B2/ja
Publication of SE9501287L publication Critical patent/SE9501287L/sv
Publication of SE515833C2 publication Critical patent/SE515833C2/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

  • Paper (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
SE9501287A 1995-04-06 1995-04-06 Elektrokemisk oxidation av sulfid i grönlut SE515833C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9501287A SE515833C2 (sv) 1995-04-06 1995-04-06 Elektrokemisk oxidation av sulfid i grönlut
BR9601235A BR9601235A (pt) 1995-04-06 1996-04-01 Processo eletroquímico de produção de pasta de papel
CA002173191A CA2173191C (en) 1995-04-06 1996-04-01 Electrochemical process
PT101862A PT101862B (pt) 1995-04-06 1996-04-01 Processo electrquimico
FI961467A FI110878B (sv) 1995-04-06 1996-04-01 Elektrokemiskt förfarande
NZ286303A NZ286303A (en) 1995-04-06 1996-04-01 Production of pulp in which green liquor is electrolysed to oxidise at least part of the sulphide content
US08/627,290 US5653861A (en) 1995-04-06 1996-04-04 Electrochemical process
JP08108723A JP3098422B2 (ja) 1995-04-06 1996-04-05 電気化学方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501287A SE515833C2 (sv) 1995-04-06 1995-04-06 Elektrokemisk oxidation av sulfid i grönlut

Publications (3)

Publication Number Publication Date
SE9501287D0 SE9501287D0 (sv) 1995-04-06
SE9501287L true SE9501287L (sv) 1996-10-07
SE515833C2 SE515833C2 (sv) 2001-10-15

Family

ID=20397879

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9501287A SE515833C2 (sv) 1995-04-06 1995-04-06 Elektrokemisk oxidation av sulfid i grönlut

Country Status (7)

Country Link
JP (1) JP3098422B2 (sv)
BR (1) BR9601235A (sv)
CA (1) CA2173191C (sv)
FI (1) FI110878B (sv)
NZ (1) NZ286303A (sv)
PT (1) PT101862B (sv)
SE (1) SE515833C2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4187826B2 (ja) * 1998-05-29 2008-11-26 川崎化成工業株式会社 電解酸化による多硫化物の製造方法
JP5504818B2 (ja) 2009-10-23 2014-05-28 ソニー株式会社 動作関連演算装置、動作関連演算方法、プログラム、動作関連再生システム

Also Published As

Publication number Publication date
FI961467A0 (sv) 1996-04-01
CA2173191A1 (en) 1996-10-07
PT101862A (pt) 1996-11-29
JP3098422B2 (ja) 2000-10-16
NZ286303A (en) 1997-05-26
SE515833C2 (sv) 2001-10-15
FI110878B (sv) 2003-04-15
FI961467A (sv) 1996-10-07
CA2173191C (en) 2001-06-05
SE9501287D0 (sv) 1995-04-06
PT101862B (pt) 1998-04-30
JPH08284089A (ja) 1996-10-29
BR9601235A (pt) 1998-01-06

Similar Documents

Publication Publication Date Title
FI855038A (fi) Flerstegsfoerfarande foer blekning av hoegutbytes- och ultrahoegutbytesmassor.
BR9803764A (pt) Método de branquear polpa contendo lignina durante a fabricação
ATE98713T1 (de) Verfahren zur herstellung von lignocellulosepulpe.
DE3574486D1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
FI952630A (sv) Nytt xylanas, förfarande för framställning av detsamma, förfarande för behandling av massa och framställning av xylooligosackarider
EP0643163A3 (en) Method of producing oxidized white liquor.
ATE210216T1 (de) Verfahren und enzymatische herstellung zur behandlung von zellstoffpulpe
ATE254687T1 (de) Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen
ATE21133T1 (de) Verfahren zur herstellung von halbgebleichten zellstoffen.
SE9501287D0 (sv) Electrochemical process
ATE125013T1 (de) Verfahren zur herstellung von gebleichtem zellstoff mit hoher ausbeute.
CA2118463A1 (en) Method of producing sodium hydroxide from white liquor
MX9602927A (es) Procedimiento para blanquear pasta pulpa kraft.
SE9301161D0 (sv) Foerfarande foer behandling av processvatten
AU5032998A (en) Method of producing oxidized white liquor from black liquor
NO953440L (no) Fremgangsmåte for delignifisering av kjemisk papirmasse
DE69420035D1 (de) Verfahren zum bleichen von zellstoff ohne verwendung von chlor enthaltenden chemikalien
ATE410542T1 (de) Zweistufiges chlorbleichverfahren mit filtratrückführung
SE9604094L (sv) Förblekningsbehandling av pappersmassa med klordioxid, alkali och komplexbildare utan mellanliggande tvättar
SE9401628L (sv) Förfarande vid syrgasdelignifiering
NO864319D0 (no) Fremgangsmaate for bleking av kjemiske papirmasser.
SE9501623L (sv) Blekning av massa
SU1146345A1 (en) Method of oxidizing white liquor of sulfate pulp production
ATE284994T1 (de) Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben
SE9604511L (sv) Förfarande för blekning av kraftmassa

Legal Events

Date Code Title Description
NUG Patent has lapsed