BR8707606A - Processo para lavagem de polpa alcalina - Google Patents

Processo para lavagem de polpa alcalina

Info

Publication number
BR8707606A
BR8707606A BR8707606A BR8707606A BR8707606A BR 8707606 A BR8707606 A BR 8707606A BR 8707606 A BR8707606 A BR 8707606A BR 8707606 A BR8707606 A BR 8707606A BR 8707606 A BR8707606 A BR 8707606A
Authority
BR
Brazil
Prior art keywords
washing process
pulp washing
alkaline pulp
alkaline
washing
Prior art date
Application number
BR8707606A
Other languages
English (en)
Portuguese (pt)
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
Priority claimed from PCT/SE1987/000623 external-priority patent/WO1988004706A1/en
Publication of BR8707606A publication Critical patent/BR8707606A/pt

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)
BR8707606A 1986-12-22 1987-12-21 Processo para lavagem de polpa alcalina BR8707606A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE8605510A SE8605510L (sv) 1986-12-22 1986-12-22 Sett vid tvettning av massa
PCT/SE1987/000198 WO1988004705A1 (en) 1986-12-22 1987-04-16 Method for washing of alcaline pulp
PCT/SE1987/000623 WO1988004706A1 (en) 1986-12-22 1987-12-21 Method for washing of alcaline pulp

Publications (1)

Publication Number Publication Date
BR8707606A true BR8707606A (pt) 1989-10-03

Family

ID=20366716

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8707606A BR8707606A (pt) 1986-12-22 1987-12-21 Processo para lavagem de polpa alcalina

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102911B1 (fi) * 1997-06-13 1999-03-15 Aga Ab Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseksi stabiloidusta massasta
FI104503B (fi) * 1997-11-05 2000-02-15 Aga Ab Menetelmä selluloosamassojen suotautuvuuden parantamiseksi
FI103520B1 (fi) 1998-03-03 1999-07-15 Aga Ab 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
FI883851A (fi) 1988-08-19
FI90256C (fi) 1994-01-10
SE8605510D0 (sv) 1986-12-22
FI90256B (fi) 1993-09-30
NZ220101A (en) 1989-04-26
AR242276A1 (es) 1993-03-31
CA1286454C (en) 1991-07-23
PT84777A (en) 1987-05-01
FI883851A0 (fi) 1988-08-19
MX167744B (es) 1993-04-12
AU1082688A (en) 1988-07-15
SE8605510L (sv) 1987-09-17
ES2003282A6 (es) 1988-10-16
WO1988004705A1 (en) 1988-06-30
AU7352587A (en) 1988-07-15
PT84777B (pt) 1990-11-07

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Legal Events

Date Code Title Description
ME Request for revocation