SE9700030D0 - Förbehandling av massa - Google Patents

Förbehandling av massa

Info

Publication number
SE9700030D0
SE9700030D0 SE9700030A SE9700030A SE9700030D0 SE 9700030 D0 SE9700030 D0 SE 9700030D0 SE 9700030 A SE9700030 A SE 9700030A SE 9700030 A SE9700030 A SE 9700030A SE 9700030 D0 SE9700030 D0 SE 9700030D0
Authority
SE
Sweden
Prior art keywords
pulp
chelating agent
pulp pretreatment
chlorine
metals
Prior art date
Application number
SE9700030A
Other languages
English (en)
Other versions
SE9700030L (sv
SE508239C2 (sv
Original Assignee
Sunds Defibrator Ind 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 Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Priority to SE9700030A priority Critical patent/SE508239C2/sv
Publication of SE9700030D0 publication Critical patent/SE9700030D0/sv
Priority to AT97912616T priority patent/ATE241725T1/de
Priority to DE69722445T priority patent/DE69722445T2/de
Priority to NZ336204A priority patent/NZ336204A/xx
Priority to EP97912616A priority patent/EP0951599B1/en
Priority to ES97912616T priority patent/ES2195123T3/es
Priority to CA002275257A priority patent/CA2275257A1/en
Priority to CN97181066A priority patent/CN1103832C/zh
Priority to JP52990798A priority patent/JP2001508837A/ja
Priority to PCT/SE1997/001853 priority patent/WO1998029597A1/en
Priority to AU49741/97A priority patent/AU726599B2/en
Priority to BR9714252-2A priority patent/BR9714252A/pt
Priority to PT97912616T priority patent/PT951599E/pt
Priority to ZA9710418A priority patent/ZA9710418B/xx
Priority to IDP973960A priority patent/ID20003A/id
Publication of SE9700030L publication Critical patent/SE9700030L/sv
Publication of SE508239C2 publication Critical patent/SE508239C2/sv
Priority to NO993290A priority patent/NO993290L/no

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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Hybrid Cells (AREA)
  • Noodles (AREA)
SE9700030A 1997-01-03 1997-01-03 Behandling av massa med komplexbildare i minst ett blandningssteg, utan användning av blektorn SE508239C2 (sv)

Priority Applications (16)

Application Number Priority Date Filing Date Title
SE9700030A SE508239C2 (sv) 1997-01-03 1997-01-03 Behandling av massa med komplexbildare i minst ett blandningssteg, utan användning av blektorn
PT97912616T PT951599E (pt) 1997-01-03 1997-11-06 Tratamento de pasta de papel com um agente quelante sem utilizacao de uma torre de branqueamento
JP52990798A JP2001508837A (ja) 1997-01-03 1997-11-06 漂白塔を使用しない、キレート化剤でのパルプの処理
AU49741/97A AU726599B2 (en) 1997-01-03 1997-11-06 Treatment of pulp with a chelating agent without using a bleaching tower
NZ336204A NZ336204A (en) 1997-01-03 1997-11-06 Treatment of pulp with a chelating agent without using a bleaching tower
EP97912616A EP0951599B1 (en) 1997-01-03 1997-11-06 Treatment of pulp with a chelating agent without using a bleaching tower
ES97912616T ES2195123T3 (es) 1997-01-03 1997-11-06 Tratamiento de pasta papelera con un agente quelante sin utilizar torre de blanqueo.
CA002275257A CA2275257A1 (en) 1997-01-03 1997-11-06 Treatment of pulp with a chelating agent without using a bleaching tower
CN97181066A CN1103832C (zh) 1997-01-03 1997-11-06 用螯合剂而不用漂白塔处理纸浆
AT97912616T ATE241725T1 (de) 1997-01-03 1997-11-06 Zellstoffbehandlung mit einem komplexbildner ohne verwendung eines bleichturms
PCT/SE1997/001853 WO1998029597A1 (en) 1997-01-03 1997-11-06 Treatment of pulp with a chelating agent without using a bleaching tower
DE69722445T DE69722445T2 (de) 1997-01-03 1997-11-06 Zellstoffbehandlung mit einem komplexbildner ohne verwendung eines bleichturms
BR9714252-2A BR9714252A (pt) 1997-01-03 1997-11-06 Processo de alvejamento de polpa isento de cloro.
ZA9710418A ZA9710418B (en) 1997-01-03 1997-11-19 Pretreatment of pulp.
IDP973960A ID20003A (id) 1997-01-03 1997-12-23 Pengolahan-awal bubur-kayu
NO993290A NO993290L (no) 1997-01-03 1999-07-02 Behandling av tremasse med en chelatdanner uten Õ bruke et bleketÕrn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700030A SE508239C2 (sv) 1997-01-03 1997-01-03 Behandling av massa med komplexbildare i minst ett blandningssteg, utan användning av blektorn

Publications (3)

Publication Number Publication Date
SE9700030D0 true SE9700030D0 (sv) 1997-01-03
SE9700030L SE9700030L (sv) 1998-07-04
SE508239C2 SE508239C2 (sv) 1998-09-21

Family

ID=20405369

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700030A SE508239C2 (sv) 1997-01-03 1997-01-03 Behandling av massa med komplexbildare i minst ett blandningssteg, utan användning av blektorn

Country Status (16)

Country Link
EP (1) EP0951599B1 (sv)
JP (1) JP2001508837A (sv)
CN (1) CN1103832C (sv)
AT (1) ATE241725T1 (sv)
AU (1) AU726599B2 (sv)
BR (1) BR9714252A (sv)
CA (1) CA2275257A1 (sv)
DE (1) DE69722445T2 (sv)
ES (1) ES2195123T3 (sv)
ID (1) ID20003A (sv)
NO (1) NO993290L (sv)
NZ (1) NZ336204A (sv)
PT (1) PT951599E (sv)
SE (1) SE508239C2 (sv)
WO (1) WO1998029597A1 (sv)
ZA (1) ZA9710418B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101446054B (zh) * 2008-12-23 2010-04-14 华南理工大学 年产5万吨以上纸浆生产线的全无氯漂白方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9201477L (sv) * 1992-05-11 1993-06-28 Kamyr Ab Saett vid blekning av massa utan anvaendning av klorkemikalier
SE502665C2 (sv) * 1993-06-11 1995-12-04 Kvaerner Pulping Tech Sätt och reaktor för ozonblekning
SE501836C2 (sv) * 1993-09-21 1995-05-22 Sunds Defibrator Ind Ab Blekning av kemisk massa varvid massan behandlas med komplexbildare före och efter ett ozonsteg
SE504803C2 (sv) * 1995-08-24 1997-04-28 Sunds Defibrator Ind Ab Behandling av massa med komplexbildare i minst två blandningssteg utan mellanliggande tvätt

Also Published As

Publication number Publication date
WO1998029597A1 (en) 1998-07-09
DE69722445D1 (de) 2003-07-03
PT951599E (pt) 2003-10-31
CA2275257A1 (en) 1998-07-09
CN1103832C (zh) 2003-03-26
AU4974197A (en) 1998-07-31
ZA9710418B (en) 1998-06-10
JP2001508837A (ja) 2001-07-03
BR9714252A (pt) 2000-04-18
SE9700030L (sv) 1998-07-04
DE69722445T2 (de) 2004-01-15
CN1242060A (zh) 2000-01-19
SE508239C2 (sv) 1998-09-21
NO993290D0 (no) 1999-07-02
AU726599B2 (en) 2000-11-16
ID20003A (id) 1998-09-10
NO993290L (no) 1999-09-02
ATE241725T1 (de) 2003-06-15
ES2195123T3 (es) 2003-12-01
EP0951599A1 (en) 1999-10-27
EP0951599B1 (en) 2003-05-28
NZ336204A (en) 1999-11-29

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Legal Events

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