ID20003A - Pengolahan-awal bubur-kayu - Google Patents

Pengolahan-awal bubur-kayu

Info

Publication number
ID20003A
ID20003A IDP973960A ID973960A ID20003A ID 20003 A ID20003 A ID 20003A ID P973960 A IDP973960 A ID P973960A ID 973960 A ID973960 A ID 973960A ID 20003 A ID20003 A ID 20003A
Authority
ID
Indonesia
Prior art keywords
pulp
chelating agent
begin
wood processing
chlorine
Prior art date
Application number
IDP973960A
Other languages
English (en)
Inventor
Ulf Germgard
Jonas Lindquist
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
Publication of ID20003A publication Critical patent/ID20003A/id

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/02Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1042Use 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)
IDP973960A 1997-01-03 1997-12-23 Pengolahan-awal bubur-kayu ID20003A (id)

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 (1)

Publication Number Publication Date
ID20003A true ID20003A (id) 1998-09-10

Family

ID=20405369

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP973960A ID20003A (id) 1997-01-03 1997-12-23 Pengolahan-awal bubur-kayu

Country Status (16)

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

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
CN1242060A (zh) 2000-01-19
BR9714252A (pt) 2000-04-18
AU4974197A (en) 1998-07-31
CN1103832C (zh) 2003-03-26
AU726599B2 (en) 2000-11-16
ES2195123T3 (es) 2003-12-01
SE508239C2 (sv) 1998-09-21
NZ336204A (en) 1999-11-29
DE69722445T2 (de) 2004-01-15
DE69722445D1 (de) 2003-07-03
CA2275257A1 (en) 1998-07-09
ATE241725T1 (de) 2003-06-15
SE9700030L (sv) 1998-07-04
EP0951599A1 (en) 1999-10-27
ZA9710418B (en) 1998-06-10
NO993290L (no) 1999-09-02
NO993290D0 (no) 1999-07-02
PT951599E (pt) 2003-10-31
EP0951599B1 (en) 2003-05-28
SE9700030D0 (sv) 1997-01-03
JP2001508837A (ja) 2001-07-03

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