SE502706E - Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg - Google Patents

Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg

Info

Publication number
SE502706E
SE502706E SE9401125A SE9401125A SE502706E SE 502706 E SE502706 E SE 502706E SE 9401125 A SE9401125 A SE 9401125A SE 9401125 A SE9401125 A SE 9401125A SE 502706 E SE502706 E SE 502706E
Authority
SE
Sweden
Prior art keywords
bleaching
cellulose pulp
chlorine dioxide
complexing agents
preparation
Prior art date
Application number
SE9401125A
Other languages
English (en)
Other versions
SE9401125D0 (sv
SE502706C2 (sv
SE9401125L (sv
Inventor
Otto Sten Axel Gusta Lindeberg
Lars Aake Gunnar Ahlenius
Jan Georg Liden
Sture Erik Olof Noreus
Original Assignee
Mo Och Domsjoe 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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Priority to SE9401125A priority Critical patent/SE502706E/sv
Publication of SE9401125D0 publication Critical patent/SE9401125D0/sv
Priority to DE69525045T priority patent/DE69525045T2/de
Priority to PT95915365T priority patent/PT754258E/pt
Priority to AU22264/95A priority patent/AU690254B2/en
Priority to EP95915365A priority patent/EP0754258B1/en
Priority to NZ283828A priority patent/NZ283828A/en
Priority to AT95915365T priority patent/ATE212086T1/de
Priority to PCT/SE1995/000361 priority patent/WO1995027100A1/en
Priority to BR9507286A priority patent/BR9507286A/pt
Priority to JP52562095A priority patent/JP3716349B2/ja
Priority to ES95915365T priority patent/ES2166398T3/es
Priority to US08/714,171 priority patent/US6258208B1/en
Priority to CA002185808A priority patent/CA2185808C/en
Publication of SE9401125L publication Critical patent/SE9401125L/sv
Publication of SE502706C2 publication Critical patent/SE502706C2/sv
Priority to NO19964223A priority patent/NO320161B1/no
Priority to FI963985A priority patent/FI116392B/sv
Publication of SE502706E publication Critical patent/SE502706E/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents
SE9401125A 1994-04-05 1994-04-05 Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg SE502706E (sv)

Priority Applications (15)

Application Number Priority Date Filing Date Title
SE9401125A SE502706E (sv) 1994-04-05 1994-04-05 Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg
CA002185808A CA2185808C (en) 1994-04-05 1995-04-04 Method for complex treatment of pulp in conjunction with a chlorine dioxide stage
BR9507286A BR9507286A (pt) 1994-04-05 1995-04-04 Processo para a produção de polpa celulósica alvejada
ES95915365T ES2166398T3 (es) 1994-04-05 1995-04-04 Metodo para el tratamiento complejo de pasta papelera conjuntamente con una etapa de dioxido de cloro.
AU22264/95A AU690254B2 (en) 1994-04-05 1995-04-04 Method for complex treatment of pulp in conjunction with a chlorine dioxide stage
EP95915365A EP0754258B1 (en) 1994-04-05 1995-04-04 Method for complex treatment of pulp in conjunction with a chlorine dioxide stage
NZ283828A NZ283828A (en) 1994-04-05 1995-04-04 Alkaline pulp bleaching: including a chlorine dioxide (d) stage with a complexing agent; the suspension liquid is washed counter currently in a totally closed system
AT95915365T ATE212086T1 (de) 1994-04-05 1995-04-04 Verfahren zur zellstoffbehandlung mit einem komplexbildner in kombination mit einer chlordioxidstufe
PCT/SE1995/000361 WO1995027100A1 (en) 1994-04-05 1995-04-04 Method for complex treatment of pulp in conjunction with a chlorine dioxide stage
DE69525045T DE69525045T2 (de) 1994-04-05 1995-04-04 Verfahren zur zellstoffbehandlung mit einem komplexbildner in kombination mit einer chlordioxidstufe
JP52562095A JP3716349B2 (ja) 1994-04-05 1995-04-04 漂白セルロースパルプの製造方法
PT95915365T PT754258E (pt) 1994-04-05 1995-04-04 Metodo para o tratamento de pasta com um agente de complexacao em conjugacao com uma etapa de tratamento com dioxido de cloro
US08/714,171 US6258208B1 (en) 1994-04-05 1995-04-04 Method for complex treatment of pulp in conjunction with a chlorine dioxide stage
FI963985A FI116392B (sv) 1994-04-05 1996-10-04 Förfarande för komplexbehandling av massa i anslutning till en klordioxidsteg
NO19964223A NO320161B1 (no) 1994-04-05 1996-10-04 Fremgangsmate for fremstilling av bleket cellulosemasse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9401125A SE502706E (sv) 1994-04-05 1994-04-05 Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg

Publications (4)

Publication Number Publication Date
SE9401125D0 SE9401125D0 (sv) 1994-04-05
SE9401125L SE9401125L (sv) 1995-10-06
SE502706C2 SE502706C2 (sv) 1995-12-11
SE502706E true SE502706E (sv) 1999-06-18

Family

ID=20393524

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9401125A SE502706E (sv) 1994-04-05 1994-04-05 Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg

Country Status (15)

Country Link
US (1) US6258208B1 (sv)
EP (1) EP0754258B1 (sv)
JP (1) JP3716349B2 (sv)
AT (1) ATE212086T1 (sv)
AU (1) AU690254B2 (sv)
BR (1) BR9507286A (sv)
CA (1) CA2185808C (sv)
DE (1) DE69525045T2 (sv)
ES (1) ES2166398T3 (sv)
FI (1) FI116392B (sv)
NO (1) NO320161B1 (sv)
NZ (1) NZ283828A (sv)
PT (1) PT754258E (sv)
SE (1) SE502706E (sv)
WO (1) WO1995027100A1 (sv)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514697C2 (sv) * 1994-08-31 2001-04-02 Valmet Fibertech Ab Eliminering av metalljoner vid blekning av massa
US6706143B1 (en) * 1996-03-19 2004-03-16 International Paper Company Minimizing chlorinated organics in pulp bleaching processes
US6375797B1 (en) * 1996-06-20 2002-04-23 Andritz-Ahlstrom Oy Bleaching chemical pulp in a PkDQ-Po Sequence
SE507742C2 (sv) * 1996-11-08 1998-07-06 Sunds Defibrator Ind Ab Förblekningsbehandling av pappersmassa med klordioxid, alkali och komplexbildare utan mellanliggande tvättar
FI105214B (sv) 1997-11-13 2000-06-30 Kemira Chemicals Oy Effektiverat förfarande för blekning av en kemisk massa
CN100346030C (zh) * 2002-03-06 2007-10-31 埃欧金生物制品公司 化学纸浆的木聚糖酶处理
SE0200981D0 (sv) * 2002-03-28 2002-03-28 Eka Chemicals Ab Process for bleaching lignocellulose-containing non-wood pulp
US20050045291A1 (en) * 2002-08-08 2005-03-03 Martin Ragnar Reduction of organically bound chlorine formed in chlorine dioxide bleaching
SE0300276L (sv) * 2003-01-31 2003-12-09 Kvaerner Pulping Tech Förfarande för blekning av cellulosamassa samt bleklinje härför
US7541396B2 (en) * 2004-12-29 2009-06-02 Weyerhaeuser Nr Company Method for making carboxyalkyl cellulose
FI122626B (sv) * 2006-03-31 2012-04-30 Laennen Tutkimus Western Res Inc Oy Blekningsförfarande för kemisk massa
FI123102B (sv) 2006-03-31 2012-11-15 Laennen Tutkimus Western Res Inc Oy Blekningsförfarande för kemisk massa
US20080110584A1 (en) * 2006-11-15 2008-05-15 Caifang Yin Bleaching process with at least one extraction stage
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US7976676B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
CA2678466A1 (en) * 2007-02-21 2008-08-28 Solvay (Societe Anonyme) Process for the bleaching of paper pulp
CN103635628B (zh) * 2011-06-30 2018-03-09 纳米绿色生物炼制公司 生物质的催化转化
AU2017210775B2 (en) 2016-01-28 2021-08-05 Nano-Green Biorefineries Inc. Production of crystalline cellulose
FR3062138B1 (fr) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Procede de blanchiment d'une pate a papier
SE544255C2 (en) * 2020-09-03 2022-03-15 Valmet Oy System for producing cellulose pulp and method for controlling such a system
SE545758C2 (en) * 2022-06-20 2024-01-02 Valmet Oy Method for bleaching pulp from recycled textile material

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219504C2 (de) 1972-04-21 1974-10-03 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Mehrstufenbleiche von Zellstoffen mit erheblich reduziertem Chloreinsatz
DE2841013C2 (de) * 1978-09-21 1984-06-07 Degussa Ag, 6000 Frankfurt Verfahren zur Vollbleiche von Zellstoff
US4238282A (en) * 1979-07-23 1980-12-09 Nalco Chemical Company Chemical treatments in bleaching stages which increase pulp brightness
DE3773204D1 (sv) 1986-12-22 1991-10-24 Aga Ab, Lidingoe, Se
US4959124A (en) 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
EP0402335B2 (en) * 1989-06-06 2001-03-14 Eka Chemicals AB Process for bleaching lignocellulose-containing pulps
SE9000340L (sv) 1990-01-31 1991-08-01 Eka Nobel Ab Foerfarande vid blekning av lignocellulosahaltigt material
SE466061B (sv) * 1990-04-23 1991-12-09 Eka Nobel Ab Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5352332A (en) * 1991-01-28 1994-10-04 Maples Gerald E Process for recycling bleach plant filtrate
CA2150810A1 (en) * 1993-03-12 1994-09-15 Karl-Erik L. Eriksson Process for bleaching pulp
DE69420306T2 (de) 1993-04-20 2000-04-20 Eka Chemicals Ab Bohus Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff

Also Published As

Publication number Publication date
NO964223D0 (no) 1996-10-04
JPH09511031A (ja) 1997-11-04
NZ283828A (en) 1997-05-26
AU2226495A (en) 1995-10-23
AU690254B2 (en) 1998-04-23
EP0754258A1 (en) 1997-01-22
DE69525045T2 (de) 2002-08-29
JP3716349B2 (ja) 2005-11-16
PT754258E (pt) 2002-06-28
ES2166398T3 (es) 2002-04-16
SE9401125D0 (sv) 1994-04-05
DE69525045D1 (de) 2002-02-21
NO964223L (no) 1996-10-04
EP0754258B1 (en) 2002-01-16
US6258208B1 (en) 2001-07-10
WO1995027100A1 (en) 1995-10-12
SE502706C2 (sv) 1995-12-11
CA2185808A1 (en) 1995-10-12
FI963985A (sv) 1996-10-04
FI116392B (sv) 2005-11-15
CA2185808C (en) 2004-11-30
ATE212086T1 (de) 2002-02-15
FI963985A0 (sv) 1996-10-04
NO320161B1 (no) 2005-11-07
BR9507286A (pt) 1997-09-23
SE9401125L (sv) 1995-10-06

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