FI972954A0 - Foerfarande foer behandling av avlut vid framstaellning av sulfatsellulosa - Google Patents

Foerfarande foer behandling av avlut vid framstaellning av sulfatsellulosa

Info

Publication number
FI972954A0
FI972954A0 FI972954A FI972954A FI972954A0 FI 972954 A0 FI972954 A0 FI 972954A0 FI 972954 A FI972954 A FI 972954A FI 972954 A FI972954 A FI 972954A FI 972954 A0 FI972954 A0 FI 972954A0
Authority
FI
Finland
Prior art keywords
sulfatsellulosa
avlut
foerfarande foer
foer behandling
vid framstaellning
Prior art date
Application number
FI972954A
Other languages
English (en)
Other versions
FI972954A (fi
Inventor
Jukka Vaistomaa
Original Assignee
Sunds Defibrator Pori Oy
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 Sunds Defibrator Pori Oy filed Critical Sunds Defibrator Pori Oy
Priority to FI972954A priority Critical patent/FI972954A/fi
Publication of FI972954A0 publication Critical patent/FI972954A0/fi
Priority to PCT/FI1998/000580 priority patent/WO1999002771A1/en
Publication of FI972954A publication Critical patent/FI972954A/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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1015—Bleaching ; Apparatus therefor with use of means other than pressure, temperature
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI972954A 1997-07-11 1997-07-11 Menetelmä sulfaattimassan valmistuksessa syntyvän jätelipeän käsittelemiseksi FI972954A (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI972954A FI972954A (fi) 1997-07-11 1997-07-11 Menetelmä sulfaattimassan valmistuksessa syntyvän jätelipeän käsittelemiseksi
PCT/FI1998/000580 WO1999002771A1 (en) 1997-07-11 1998-07-09 Method for the treatment of spent liquor from kraft pulp production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI972954A FI972954A (fi) 1997-07-11 1997-07-11 Menetelmä sulfaattimassan valmistuksessa syntyvän jätelipeän käsittelemiseksi

Publications (2)

Publication Number Publication Date
FI972954A0 true FI972954A0 (fi) 1997-07-11
FI972954A FI972954A (fi) 1999-01-12

Family

ID=8549240

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972954A FI972954A (fi) 1997-07-11 1997-07-11 Menetelmä sulfaattimassan valmistuksessa syntyvän jätelipeän käsittelemiseksi

Country Status (2)

Country Link
FI (1) FI972954A (fi)
WO (1) WO1999002771A1 (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI981803A (fi) * 1998-08-21 2000-02-22 Ahlstrom Machinery Oy Menetelmä saostumien muodostumisen estämiseksi
FI110327B (fi) 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Menetelmä sellumassan valmistamiseksi
SE524247C2 (sv) * 2002-11-25 2004-07-13 Kvaerner Pulping Tech Metod vid produktion av grönlut
SE529475C2 (sv) * 2006-11-22 2007-08-21 Metso Fiber Karlstad Ab Metod för att återvinna värmeenergi från svartlut
PT2753750T (pt) * 2011-09-05 2019-06-06 Stora Enso Oyj Processo para tratar licor negro de folhosa e licor negro de folhosa tratado de acordo com o processo

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE153753C1 (fi) *
US3951753A (en) * 1969-06-03 1976-04-20 Roller Paul S Method and apparatus for the conversion of an aqueous scale-formed liquid
US3873415A (en) * 1973-05-03 1975-03-25 Spring Chemicals Ltd Process for reducing the amount of calcium contained in sodium-base waste sulfite liquor by the use of a sodium and/or an ammonium compound and additional calcium
SE8502807D0 (sv) * 1985-06-06 1985-06-06 Ahlstroem Foeretagen Sett och apparatur for att deaktivera avlutar
CA1299322C (en) * 1987-10-26 1992-04-28 Larry A. Wilhelmsen Apparatus and methods for reducing the formation of scale in pulping operations
FI96786B (fi) * 1994-10-24 1996-05-15 Tampella Power Oy Menetelmä sulfaattiselluloosatehtaan haihduttamon lämpöpintojen likaantumisen vähentämiseksi

Also Published As

Publication number Publication date
WO1999002771A1 (en) 1999-01-21
FI972954A (fi) 1999-01-12

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