FI73474B - Saett att aotervinna vaerme och kemikalier fraon avlut. - Google Patents

Saett att aotervinna vaerme och kemikalier fraon avlut. Download PDF

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Publication number
FI73474B
FI73474B FI851641A FI851641A FI73474B FI 73474 B FI73474 B FI 73474B FI 851641 A FI851641 A FI 851641A FI 851641 A FI851641 A FI 851641A FI 73474 B FI73474 B FI 73474B
Authority
FI
Finland
Prior art keywords
liquor
lye
recovery boiler
concentrated
fed
Prior art date
Application number
FI851641A
Other languages
English (en)
Finnish (fi)
Other versions
FI851641A0 (fi
FI851641L (fi
Inventor
Tuomo Ruohola
Paavo Hyoety
Erik Saiha
Kari Kuukkanen
Original Assignee
Tampella Oy 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 Tampella Oy Ab filed Critical Tampella Oy Ab
Priority to FI851641A priority Critical patent/FI73474B/fi
Publication of FI851641A0 publication Critical patent/FI851641A0/fi
Priority to SU864027440A priority patent/RU1834940C/ru
Priority to SE8601904A priority patent/SE508991C2/sv
Publication of FI851641L publication Critical patent/FI851641L/fi
Application granted granted Critical
Publication of FI73474B publication Critical patent/FI73474B/fi
Priority to US07/565,220 priority patent/US5112441A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
FI851641A 1985-04-25 1985-04-25 Saett att aotervinna vaerme och kemikalier fraon avlut. FI73474B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI851641A FI73474B (fi) 1985-04-25 1985-04-25 Saett att aotervinna vaerme och kemikalier fraon avlut.
SU864027440A RU1834940C (ru) 1985-04-25 1986-04-24 Способ регенерации тепла и химикалиев из отработанного щелока
SE8601904A SE508991C2 (sv) 1985-04-25 1986-04-24 Sätt att återvinna värme och kemikalier ur avlut
US07/565,220 US5112441A (en) 1985-04-25 1990-08-07 Process for the recovery of heat and chemicals from spent liquor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI851641A FI73474B (fi) 1985-04-25 1985-04-25 Saett att aotervinna vaerme och kemikalier fraon avlut.
FI851641 1985-04-25

Publications (3)

Publication Number Publication Date
FI851641A0 FI851641A0 (fi) 1985-04-25
FI851641L FI851641L (fi) 1986-10-26
FI73474B true FI73474B (fi) 1987-06-30

Family

ID=8520723

Family Applications (1)

Application Number Title Priority Date Filing Date
FI851641A FI73474B (fi) 1985-04-25 1985-04-25 Saett att aotervinna vaerme och kemikalier fraon avlut.

Country Status (4)

Country Link
US (1) US5112441A (sv)
FI (1) FI73474B (sv)
RU (1) RU1834940C (sv)
SE (1) SE508991C2 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662774A (en) * 1992-04-01 1997-09-02 Tampella Power Oy Adjusting the sulphur balance of a sulphate cellulose plant by heat treating black liquor in a last evaporation stage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91006B (sv) * 1989-08-29 1994-01-14 Tampella Oy Ab Förfarande för återvinning av värme och kemikalier från avlut
DE4226487C1 (de) * 1992-08-11 1994-01-27 Noell Dbi Energie Entsorgung Verfahren und Vorrichtung zur Zuführung von Klärschlamm in einen Reaktor zur thermischen Entsorgung
FI98383B (sv) * 1993-10-18 1997-02-28 Tampella Power Oy Förfarande för bränning av bioslam i en sodapanna
FI96786B (sv) * 1994-10-24 1996-05-15 Tampella Power Oy Förfarande för minskning av nedsmutsning hos värmeytor i en sulfatcellulosafabriks indunstningsanläggning
US20030116290A1 (en) * 2001-12-20 2003-06-26 3M Innovative Properties Company Continuous process for controlled evaporation of black liquor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719130A (en) * 1925-12-16 1929-07-02 Brown Co Process for recovering heat and chemicals
US2891843A (en) * 1953-02-09 1959-06-23 Minnesota & Ontario Paper Co Chemical recovery process and apparatus
US3216788A (en) * 1961-08-24 1965-11-09 Owens Illinois Glass Co Flash evaporation of pulp liquor to eliminate calcium salts
US3414038A (en) * 1965-06-21 1968-12-03 Kamyr Ab Heat recovery method and apparatus
NO119205B (sv) * 1965-08-19 1970-04-06 Rosenblads Patenter Ab
US3425477A (en) * 1966-09-28 1969-02-04 Marathon Eng Inc Method for heat recovery in evaporating and burning spent liquor
US3912577A (en) * 1970-06-26 1975-10-14 Nittetsu Chem Eng Method and apparatus for treatment of liquid wastes
US3703919A (en) * 1970-10-22 1972-11-28 Combustion Eng Supplementary air cascade evaporation
FI52127C (fi) * 1974-06-19 1978-04-17 Ahlstroem Oy Saett att aotervinna terpentin och vaerme i samband med indunstning av svartlut som fraon en kontinuerligt arbetande cellulosakokare avgaor under hoegt tryck och hoeg temperatur
CA1097465A (en) * 1976-11-30 1981-03-17 James R. Prough Black liquor energy recovery
DE2753537C2 (de) * 1977-12-01 1980-01-10 Saarberg-Fernwaerme Gmbh, 6600 Saarbruecken Verfahren zur thermischen Behandlung von wäßrigen Schlämmen, insbesondere von Klärschlämmen \
FI64409C (fi) * 1981-06-01 1983-11-10 Tampella Oy Ab Saett att styra foerbraenningen av en till sin kemiska komposition varierande braennlut i sodapannan
FI65375C (fi) * 1982-09-20 1984-05-10 Ekono Oy Saett vid aoterkompressionsindunstning av en loesning
SE453757B (sv) * 1985-06-07 1988-02-29 Alf Ove Andersson Sett att oka torrsubstanshalten hos svartlut vid dess atervinning i en sulfatmassaprocess
US4687546B1 (en) * 1985-07-19 1996-06-04 Anglo American Clays Corp Method of concentrating slurried kaolin
FI81141B (fi) * 1986-09-22 1990-05-31 Ahlstroem Oy Foerfarande foer koncentrering av uppslamningar.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662774A (en) * 1992-04-01 1997-09-02 Tampella Power Oy Adjusting the sulphur balance of a sulphate cellulose plant by heat treating black liquor in a last evaporation stage

Also Published As

Publication number Publication date
SE508991C2 (sv) 1998-11-23
SE8601904L (sv) 1986-10-26
US5112441A (en) 1992-05-12
RU1834940C (ru) 1993-08-15
FI851641A0 (fi) 1985-04-25
FI851641L (fi) 1986-10-26
SE8601904D0 (sv) 1986-04-24

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Owner name: OY TAMPELLA AB