SE8903724D0 - Foerfarande foer taeckande av kemikaliefoerlusterna vid massaframstaellning - Google Patents

Foerfarande foer taeckande av kemikaliefoerlusterna vid massaframstaellning

Info

Publication number
SE8903724D0
SE8903724D0 SE8903724A SE8903724A SE8903724D0 SE 8903724 D0 SE8903724 D0 SE 8903724D0 SE 8903724 A SE8903724 A SE 8903724A SE 8903724 A SE8903724 A SE 8903724A SE 8903724 D0 SE8903724 D0 SE 8903724D0
Authority
SE
Sweden
Prior art keywords
pct
chemicals
sec
procedures
preparing
Prior art date
Application number
SE8903724A
Other languages
English (en)
Other versions
SE467361B (sv
SE8903724L (sv
Inventor
B Pettersson
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of SE8903724L publication Critical patent/SE8903724L/sv
Publication of SE8903724D0 publication Critical patent/SE8903724D0/sv
Publication of SE467361B publication Critical patent/SE467361B/sv

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
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • 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
    • D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
SE8903724A 1982-07-12 1989-11-07 Renhaallning av vaermeytorna i slutindunstaren vid indunstning av avlutar SE467361B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8204266A SE8204266L (sv) 1982-07-12 1982-07-12 Forfarande for teckande av kemikalieforlusterna vid massaframstellning

Publications (3)

Publication Number Publication Date
SE8903724L SE8903724L (sv) 1989-11-07
SE8903724D0 true SE8903724D0 (sv) 1989-11-07
SE467361B SE467361B (sv) 1992-07-06

Family

ID=20347353

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8204266A SE8204266L (sv) 1982-07-12 1982-07-12 Forfarande for teckande av kemikalieforlusterna vid massaframstellning
SE8903724A SE467361B (sv) 1982-07-12 1989-11-07 Renhaallning av vaermeytorna i slutindunstaren vid indunstning av avlutar

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE8204266A SE8204266L (sv) 1982-07-12 1982-07-12 Forfarande for teckande av kemikalieforlusterna vid massaframstellning

Country Status (9)

Country Link
US (1) US4533433A (sv)
EP (1) EP0113754B1 (sv)
JP (1) JPS59501218A (sv)
CA (1) CA1214003A (sv)
ES (1) ES8404445A1 (sv)
FI (1) FI70942C (sv)
PT (1) PT77003B (sv)
SE (2) SE8204266L (sv)
WO (1) WO1984000390A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452995B (sv) * 1985-03-08 1988-01-04 Asea Ab Reglering av lutatervinningsaggregat
FI75615C (sv) * 1985-11-29 1991-08-26 Ahlstroem Oy Förfarande för sänkning av svartlutens viskositet
DE3834716A1 (de) * 1988-10-12 1990-04-19 Metallgesellschaft Ag Verfahren und vorrichtung zum aufkonzentrieren von loesungen
FI92226B (sv) * 1991-04-15 1994-06-30 Ahlstroem Oy Förfarande för förtjockning av avlutar och återvinning av kokkemikalier vid massaframställning med alkoholbaserade kokvätskor
SE505603C2 (sv) * 1994-10-20 1997-09-22 Kvaerner Pulping Tech Metod att slutindunsta svartlut i flera steg där luten förs i serie genom stegen och primärånga tillförs varje steg
JP2007063696A (ja) * 2005-08-30 2007-03-15 Hakuto Co Ltd 黒液濃縮エバポレータのスケール洗浄方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE183628C1 (sv) * 1963-01-01
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
US3299942A (en) * 1964-06-29 1967-01-24 Jacoby Process Equipment Co In Method and apparatus for the concentration of liquids
US3289736A (en) * 1964-06-30 1966-12-06 Rosenblad Corp Temperature control for evaporation system
SE319962B (sv) * 1968-05-10 1970-01-26 Mo Och Domsjoe Ab
FI51605C (sv) * 1975-01-20 1977-02-10 Ahlstroem Oy Sätt och anordning för industning av vätskor.
JPS5831961B2 (ja) * 1976-04-20 1983-07-09 株式会社荏原製作所 濃縮装置のスイツチング運転方法
NZ185958A (en) * 1976-12-22 1979-11-01 Hooker Chemicals Plastics Corp Pulping liquor recyling;comination with sulphur cycle in bleaching plant
DE3225337C2 (de) * 1982-07-07 1986-10-16 Hermann Dr. 4400 Münster Stage Verfahren zum Entsalzen von Rohtallöl

Also Published As

Publication number Publication date
EP0113754B1 (en) 1986-06-25
JPS59501218A (ja) 1984-07-12
ES524018A0 (es) 1984-04-16
PT77003B (en) 1986-01-24
FI840942A (fi) 1984-03-08
SE467361B (sv) 1992-07-06
FI70942C (fi) 1986-10-27
WO1984000390A1 (en) 1984-02-02
SE8204266L (sv) 1984-01-13
JPH026879B2 (sv) 1990-02-14
SE8903724L (sv) 1989-11-07
EP0113754A1 (en) 1984-07-25
ES8404445A1 (es) 1984-04-16
PT77003A (en) 1983-08-01
FI840942A0 (fi) 1984-03-08
SE8204266D0 (sv) 1982-07-12
CA1214003A (en) 1986-11-18
FI70942B (fi) 1986-07-18
US4533433A (en) 1985-08-06

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Legal Events

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Effective date: 19941026