JP2001508837A - 漂白塔を使用しない、キレート化剤でのパルプの処理 - Google Patents

漂白塔を使用しない、キレート化剤でのパルプの処理

Info

Publication number
JP2001508837A
JP2001508837A JP52990798A JP52990798A JP2001508837A JP 2001508837 A JP2001508837 A JP 2001508837A JP 52990798 A JP52990798 A JP 52990798A JP 52990798 A JP52990798 A JP 52990798A JP 2001508837 A JP2001508837 A JP 2001508837A
Authority
JP
Japan
Prior art keywords
pulp
chelating agent
mixing
stage
bleaching
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
JP52990798A
Other languages
English (en)
Japanese (ja)
Inventor
イエルムゴード，ウルフ
リンドクビスト，ヨーナス
Original Assignee
バルメツト・フアイバーテツク・アクテイエボラーグ
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 バルメツト・フアイバーテツク・アクテイエボラーグ filed Critical バルメツト・フアイバーテツク・アクテイエボラーグ
Publication of JP2001508837A publication Critical patent/JP2001508837A/ja
Withdrawn legal-status Critical Current

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)
JP52990798A 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 Withdrawn JP2001508837A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9700030-1 1997-01-03
SE9700030A SE508239C2 (sv) 1997-01-03 1997-01-03 Behandling av massa med komplexbildare i minst ett blandningssteg, utan användning av blektorn
PCT/SE1997/001853 WO1998029597A1 (en) 1997-01-03 1997-11-06 Treatment of pulp with a chelating agent without using a bleaching tower

Publications (1)

Publication Number Publication Date
JP2001508837A true JP2001508837A (ja) 2001-07-03

Family

ID=20405369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52990798A Withdrawn 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

Country Status (16)

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

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
NO993290D0 (no) 1999-07-02
AU726599B2 (en) 2000-11-16
DE69722445T2 (de) 2004-01-15
NZ336204A (en) 1999-11-29
AU4974197A (en) 1998-07-31
CN1242060A (zh) 2000-01-19
CA2275257A1 (en) 1998-07-09
BR9714252A (pt) 2000-04-18
WO1998029597A1 (en) 1998-07-09
ID20003A (id) 1998-09-10
DE69722445D1 (de) 2003-07-03
SE9700030L (sv) 1998-07-04
CN1103832C (zh) 2003-03-26
SE508239C2 (sv) 1998-09-21
ATE241725T1 (de) 2003-06-15
EP0951599B1 (en) 2003-05-28
NO993290L (no) 1999-09-02
PT951599E (pt) 2003-10-31
SE9700030D0 (sv) 1997-01-03
ZA9710418B (en) 1998-06-10
EP0951599A1 (en) 1999-10-27
ES2195123T3 (es) 2003-12-01

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Legal Events

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Effective date: 20040512

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Effective date: 20041118