CA1276059C - Method and apparatus for deactivating spent liquors - Google Patents

Method and apparatus for deactivating spent liquors

Info

Publication number
CA1276059C
CA1276059C CA000510152A CA510152A CA1276059C CA 1276059 C CA1276059 C CA 1276059C CA 000510152 A CA000510152 A CA 000510152A CA 510152 A CA510152 A CA 510152A CA 1276059 C CA1276059 C CA 1276059C
Authority
CA
Canada
Prior art keywords
liquor
condenser
chamber
vapor
flash tank
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA000510152A
Other languages
English (en)
French (fr)
Inventor
Rolf Ryham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andritz Oy
Original Assignee
Ahlstromforetagen Svenska 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 Ahlstromforetagen Svenska AB filed Critical Ahlstromforetagen Svenska AB
Application granted granted Critical
Publication of CA1276059C publication Critical patent/CA1276059C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/10—Concentrating spent liquor by evaporation
    • 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
    • B01D3/065—Multiple-effect flash distillation (more than two traps)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0027—Condensation of vapours; Recovering volatile solvents by condensation by direct contact between vapours or gases and the cooling medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033—Other features
    • B01D5/0036—Multiple-effect condensation; Fractional condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/0084—Feeding or collecting the cooling medium
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/08—Multieffect or multistage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
CA000510152A 1985-06-06 1986-05-28 Method and apparatus for deactivating spent liquors Expired - Lifetime CA1276059C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8502807-4 1985-06-06
SE8502807A SE8502807D0 (sv) 1985-06-06 1985-06-06 Sett och apparatur for att deaktivera avlutar

Publications (1)

Publication Number Publication Date
CA1276059C true CA1276059C (en) 1990-11-13

Family

ID=20360472

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000510152A Expired - Lifetime CA1276059C (en) 1985-06-06 1986-05-28 Method and apparatus for deactivating spent liquors

Country Status (5)

Country Link
US (1) US4755258A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS626993A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1276059C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2583079A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE8502807D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI75615C (fi) * 1985-11-29 1991-08-26 Ahlstroem Oy Foerfarande foer saenkning av svartlutens viskositet.
CA1299322C (en) * 1987-10-26 1992-04-28 Larry A. Wilhelmsen Apparatus and methods for reducing the formation of scale in pulping operations
US4894993A (en) * 1987-12-04 1990-01-23 Solmat Systems, Ltd. Method of and apparatus for producing power from solar ponds
FI92226B (fi) * 1991-04-15 1994-06-30 Ahlstroem Oy Menetelmä jäteliemen väkevöimiseksi ja keittokemikaalien talteenottamiseksi massanvalmistuksessa alkoholipohjaisilla keittoliuoksilla
SE515507C2 (sv) * 1995-04-25 2001-08-20 Stora Kopparbergs Bergslags Ab Förfarande för värmeutnyttjande genom kondensation av ånga i koncentrerade lösningar
CA2229973C (en) * 1997-02-21 2002-08-13 Ahlstrom Machinery Oy Method of inhibiting scaling in black liquor evaporators
FI972954A7 (fi) * 1997-07-11 1999-01-12 Sunds Defibrator Pori Oy Menetelmä sulfaattimassan valmistuksessa syntyvän jätelipeän käsittelemiseksi
SE522436C2 (sv) 1998-05-26 2004-02-10 Andritz Oy Förfarande för förhindrande av nedsmutsning av värmeöverföringsytor i en flerstegsindunstningsanläggning för svartlut och blekeriutsläpp
FI981803L (fi) * 1998-08-21 2000-02-22 Ahlstrom Machinery Oy Menetelmä saostumien muodostumisen estämiseksi
US6722130B1 (en) * 1998-11-09 2004-04-20 Kvaerner Pulping Ab Method of producing process steam from a black liquor
US7241363B2 (en) * 2004-06-26 2007-07-10 International Paper Company Methods to decrease scaling in digester systems
US7566383B2 (en) * 2005-06-17 2009-07-28 Purdue Research Foundation Heat recovery from a biomass heat source
US20070251256A1 (en) * 2006-03-20 2007-11-01 Pham Hung M Flash tank design and control for heat pumps
US8518155B2 (en) * 2007-03-16 2013-08-27 Air Products And Chemicals, Inc. Method and apparatus for separating gases
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2044095A (en) * 1933-11-03 1936-06-16 Brown Co Evaporating process and apparatus therefor
US2140992A (en) * 1935-03-06 1938-12-20 American Lurgi Corp Process for preventing incrustation on heating surfaces during the concentration of sulphite-cellulose waste liquor
US2544885A (en) * 1946-02-27 1951-03-13 Gen Am Transport Vertical tube evaporator
US2801168A (en) * 1949-04-02 1957-07-30 Goddard Harold Oliver Waste sulphite liquor recovery
BE523644A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1952-11-03
US2803589A (en) * 1952-12-03 1957-08-20 Eleanore T Allen Method of and apparatus for flash evaporation treatment
US2744571A (en) * 1953-09-28 1956-05-08 Goslin Birmingham Mfg Company Evaporating process
US3179159A (en) * 1960-10-19 1965-04-20 Ahlstroem Oy Procedure for evaporating waste lye from pulp
US3286763A (en) * 1964-10-19 1966-11-22 Jacoby Process Equipment Co In Recovering heat from a blow evaporator for use in a surface evaporator
FR1487212A (fr) * 1966-07-21 1967-06-30 Rosenblads Patenter Ab Procédé d'évaporation des liqueurs s'écoulant de chaudières de cuisson de la cellulose fonctionnant en continu
US3425477A (en) * 1966-09-28 1969-02-04 Marathon Eng Inc Method for heat recovery in evaporating and burning spent liquor
US3647638A (en) * 1967-07-17 1972-03-07 Hydro Chem & Mineral Corp Ascending multi-stage distillation apparatus and method utilizing a feed-liquid-lift system
US3463216A (en) * 1967-12-21 1969-08-26 Dorr Oliver Inc Thermal self-sustaining system for spent pulping liquors
US3692634A (en) * 1970-05-07 1972-09-19 Donald F Othmer Method for producing pure water from sea water and other solutions by flash vaporization and condensation
FI46411C (fi) * 1971-02-19 1973-03-12 Ahlstroem Oy Tapa ottaa talteen tärpättiä ja lämpöä mustalipeän haihdutuksen yhteyd essä
US4018656A (en) * 1974-09-03 1977-04-19 Bechtel International Corporation Thermal softening and distillation by regenerative method
US4017421A (en) * 1975-12-16 1977-04-12 Othmer Donald F Wet combustion process
LU79411A1 (fr) * 1978-04-11 1979-11-07 Laguilharre P Procede de refroidissement d'un lait concentre chaud provenant d'un evaporateur,par detentes etagees
DE2850104A1 (de) * 1978-11-18 1980-05-22 Goldschmidt Ag Th Verfahren zur direkten erwaermung eines fluessigen mediums unter ausnutzung der kondensationswaerme sowie vorrichtung zur durchfuehrung des verfahrens
SE422604B (sv) * 1980-08-29 1982-03-15 Modo Chemetics Ab Forfarande for flidforvermning
DE3130814A1 (de) * 1981-08-04 1983-02-17 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur konzentration von schlempen

Also Published As

Publication number Publication date
US4755258A (en) 1988-07-05
JPH0215672B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-04-12
SE8502807D0 (sv) 1985-06-06
FR2583079A1 (fr) 1986-12-12
JPS626993A (ja) 1987-01-13

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