ID21108A - MAKING PAPER PULP WITH CHEMICAL COMPOUNDS - Google Patents

MAKING PAPER PULP WITH CHEMICAL COMPOUNDS

Info

Publication number
ID21108A
ID21108A IDP981382A ID981382A ID21108A ID 21108 A ID21108 A ID 21108A ID P981382 A IDP981382 A ID P981382A ID 981382 A ID981382 A ID 981382A ID 21108 A ID21108 A ID 21108A
Authority
ID
Indonesia
Prior art keywords
paper pulp
chemical compounds
making paper
making
pulp
Prior art date
Application number
IDP981382A
Other languages
Indonesian (id)
Inventor
Eric Chauveheid
Johan Devenyns
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of ID21108A publication Critical patent/ID21108A/en

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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)
IDP981382A 1997-10-17 1998-10-19 MAKING PAPER PULP WITH CHEMICAL COMPOUNDS ID21108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9700830A BE1011503A3 (en) 1997-10-17 1997-10-17 Manufacturing pulp chemicals.

Publications (1)

Publication Number Publication Date
ID21108A true ID21108A (en) 1999-04-22

Family

ID=3890783

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP981382A ID21108A (en) 1997-10-17 1998-10-19 MAKING PAPER PULP WITH CHEMICAL COMPOUNDS

Country Status (6)

Country Link
AR (1) AR017356A1 (en)
AU (1) AU1030999A (en)
BE (1) BE1011503A3 (en)
ID (1) ID21108A (en)
WO (1) WO1999020830A1 (en)
ZA (1) ZA989247B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448003A (en) * 1966-01-03 1969-06-03 Dow Chemical Co On-stream cleaning of wood chip digesters using chelating agents
CA2037717C (en) * 1990-09-17 1996-03-05 Bertil Stromberg Extended kraft cooking with white liquor added to wash circulation
WO1994010375A1 (en) * 1992-10-26 1994-05-11 Kamyr, Inc. Displacement chelate treatment of pulp

Also Published As

Publication number Publication date
ZA989247B (en) 2000-05-09
BE1011503A3 (en) 1999-10-05
WO1999020830A1 (en) 1999-04-29
AR017356A1 (en) 2001-09-05
AU1030999A (en) 1999-05-10

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