MX167744B - A METHOD FOR WASHING ALCLINE CELLULOSE PAPER PULP - Google Patents

A METHOD FOR WASHING ALCLINE CELLULOSE PAPER PULP

Info

Publication number
MX167744B
MX167744B MX1002787A MX1002787A MX167744B MX 167744 B MX167744 B MX 167744B MX 1002787 A MX1002787 A MX 1002787A MX 1002787 A MX1002787 A MX 1002787A MX 167744 B MX167744 B MX 167744B
Authority
MX
Mexico
Prior art keywords
washing
alcline
paper pulp
cellulose paper
stage
Prior art date
Application number
MX1002787A
Other languages
Spanish (es)
Inventor
Monica Bokstrom
Raimo Rasimus
Original Assignee
Aga 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 Aga Ab filed Critical Aga Ab
Publication of MX167744B publication Critical patent/MX167744B/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La presente invención se refiere a un método para lavar pasta de papel celulósica alcalina, en el que el lavado se efectúa en una o más etapas consecutivas, caracterizado porque se disminuye el pH en la etapa de lavado, o al menos en una etapa de lavado.The present invention relates to a method for washing alkaline cellulose pulp, in which the washing is carried out in one or more consecutive stages, characterized in that the pH is lowered in the washing stage, or at least in one washing stage .

MX1002787A 1986-12-22 1987-12-22 A METHOD FOR WASHING ALCLINE CELLULOSE PAPER PULP MX167744B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8605510A SE8605510L (en) 1986-12-22 1986-12-22 KEEP WASHING THE PASS

Publications (1)

Publication Number Publication Date
MX167744B true MX167744B (en) 1993-04-12

Family

ID=20366716

Family Applications (1)

Application Number Title Priority Date Filing Date
MX1002787A MX167744B (en) 1986-12-22 1987-12-22 A METHOD FOR WASHING ALCLINE CELLULOSE PAPER PULP

Country Status (11)

Country Link
AR (1) AR242276A1 (en)
AU (2) AU7352587A (en)
BR (1) BR8707606A (en)
CA (1) CA1286454C (en)
ES (1) ES2003282A6 (en)
FI (1) FI90256C (en)
MX (1) MX167744B (en)
NZ (1) NZ220101A (en)
PT (1) PT84777B (en)
SE (1) SE8605510L (en)
WO (1) WO1988004705A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102911B (en) * 1997-06-13 1999-03-15 Aga Ab Process for stabilizing pH in a pulp suspension and for making paper of the stabilized pulp
FI104503B (en) * 1997-11-05 2000-02-15 Aga Ab A method for improving the drainage of cellulosic pulps
FI103520B (en) 1998-03-03 1999-07-15 Upm Kymmene Corp Improved papermaking methods
FI991241A (en) * 1999-06-01 2000-12-02 Aga Ab Bleaching of lignin and process for making paper
FI109209B (en) * 2000-04-05 2002-06-14 Stora Enso Oyj Procedure for checking delignification and bleaching of a pulp slurry

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI52876C (en) * 1974-09-03 1978-10-17 Ahlstroem Oy OVERFLOWER FOR CELLULOSE FRAON ALKALIKOK

Also Published As

Publication number Publication date
FI883851A0 (en) 1988-08-19
SE8605510L (en) 1987-09-17
NZ220101A (en) 1989-04-26
BR8707606A (en) 1989-10-03
FI883851A (en) 1988-08-19
AR242276A1 (en) 1993-03-31
SE8605510D0 (en) 1986-12-22
FI90256C (en) 1994-01-10
ES2003282A6 (en) 1988-10-16
AU1082688A (en) 1988-07-15
AU7352587A (en) 1988-07-15
CA1286454C (en) 1991-07-23
PT84777B (en) 1990-11-07
FI90256B (en) 1993-09-30
PT84777A (en) 1987-05-01
WO1988004705A1 (en) 1988-06-30

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