MX167744B - Un metodo para lavar pasta de papel celulosica alclina - Google Patents

Un metodo para lavar pasta de papel celulosica alclina

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
English (en)
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/es

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.
MX1002787A 1986-12-22 1987-12-22 Un metodo para lavar pasta de papel celulosica alclina MX167744B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8605510A SE8605510L (sv) 1986-12-22 1986-12-22 Sett vid tvettning av massa

Publications (1)

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

Family

ID=20366716

Family Applications (1)

Application Number Title Priority Date Filing Date
MX1002787A MX167744B (es) 1986-12-22 1987-12-22 Un metodo para lavar pasta de papel celulosica alclina

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102911B (fi) * 1997-06-13 1999-03-15 Aga Ab Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseks i stabiloidusta massasta
FI104503B (fi) * 1997-11-05 2000-02-15 Aga Ab Menetelmä selluloosamassojen suotautuvuuden parantamiseksi
FI103520B (fi) 1998-03-03 1999-07-15 Upm Kymmene Corp Parannetut paperinvalmistusmenetelmät
FI991241A (fi) * 1999-06-01 2000-12-02 Aga Ab Ligniinin valkaisu ja menetelmä paperin valmistamiseksi
FI109209B (fi) * 2000-04-05 2002-06-14 Stora Enso Oyj Menetelmä paperimassalietteen ligniininpoiston ja valkaisun hallintaan

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI52876C (fi) * 1974-09-03 1978-10-17 Ahlstroem Oy Foerfarande foer tvaettning av en cellulosamassa fraon alkalikok

Also Published As

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

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