FI90256C - Menetelmä emäksisen massan pesemiseksi - Google Patents

Menetelmä emäksisen massan pesemiseksi Download PDF

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Publication number
FI90256C
FI90256C FI883851A FI883851A FI90256C FI 90256 C FI90256 C FI 90256C FI 883851 A FI883851 A FI 883851A FI 883851 A FI883851 A FI 883851A FI 90256 C FI90256 C FI 90256C
Authority
FI
Finland
Prior art keywords
washing
pulp
carbon dioxide
mixture
mass
Prior art date
Application number
FI883851A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI90256B (fi
FI883851A (fi
FI883851A0 (fi
Inventor
Monica Bokstroem
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
Priority claimed from PCT/SE1987/000623 external-priority patent/WO1988004706A1/en
Application filed by Aga Ab filed Critical Aga Ab
Publication of FI883851A publication Critical patent/FI883851A/fi
Publication of FI883851A0 publication Critical patent/FI883851A0/fi
Application granted granted Critical
Publication of FI90256B publication Critical patent/FI90256B/fi
Publication of FI90256C publication Critical patent/FI90256C/fi

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)
FI883851A 1986-12-22 1988-08-19 Menetelmä emäksisen massan pesemiseksi FI90256C (fi)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
SE8605510 1986-12-22
SE8605510A SE8605510L (sv) 1986-12-22 1986-12-22 Sett vid tvettning av massa
SE8700198 1987-01-20
SE8700623 1987-02-16
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 (4)

Publication Number Publication Date
FI883851A FI883851A (fi) 1988-08-19
FI883851A0 FI883851A0 (fi) 1988-08-19
FI90256B FI90256B (fi) 1993-09-30
FI90256C true FI90256C (fi) 1994-01-10

Family

ID=20366716

Family Applications (1)

Application Number Title Priority Date Filing Date
FI883851A FI90256C (fi) 1986-12-22 1988-08-19 Menetelmä emäksisen massan pesemiseksi

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
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
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
BR8707606A (pt) 1989-10-03
MX167744B (es) 1993-04-12
SE8605510D0 (sv) 1986-12-22
AU1082688A (en) 1988-07-15
ES2003282A6 (es) 1988-10-16
WO1988004705A1 (en) 1988-06-30
FI90256B (fi) 1993-09-30
PT84777B (pt) 1990-11-07
AU7352587A (en) 1988-07-15
PT84777A (en) 1987-05-01
FI883851A (fi) 1988-08-19
AR242276A1 (es) 1993-03-31
SE8605510L (sv) 1987-09-17
FI883851A0 (fi) 1988-08-19
CA1286454C (en) 1991-07-23
NZ220101A (en) 1989-04-26

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BB Publication of examined application
FG Patent granted

Owner name: AGA AKTIEBOLAG

MA Patent expired