FI108550B - Kloridin vähentäminen massanvalmistuskemikaalien talteenottojärjestelmissä - Google Patents

Kloridin vähentäminen massanvalmistuskemikaalien talteenottojärjestelmissä Download PDF

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Publication number
FI108550B
FI108550B FI950763A FI950763A FI108550B FI 108550 B FI108550 B FI 108550B FI 950763 A FI950763 A FI 950763A FI 950763 A FI950763 A FI 950763A FI 108550 B FI108550 B FI 108550B
Authority
FI
Finland
Prior art keywords
aqueous solution
dust
chloride
cell
electrolysis
Prior art date
Application number
FI950763A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI950763A (fi
FI950763A0 (fi
Inventor
Birgitta Sundblad
Hans Lindberg
Original Assignee
Eka Chemicals 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 Eka Chemicals Ab filed Critical Eka Chemicals Ab
Publication of FI950763A publication Critical patent/FI950763A/fi
Publication of FI950763A0 publication Critical patent/FI950763A0/fi
Application granted granted Critical
Publication of FI108550B publication Critical patent/FI108550B/fi

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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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products

Landscapes

  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treating Waste Gases (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Removal Of Specific Substances (AREA)
FI950763A 1992-08-24 1995-02-20 Kloridin vähentäminen massanvalmistuskemikaalien talteenottojärjestelmissä FI108550B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9202419A SE9202419D0 (sv) 1992-08-24 1992-08-24 Reduction of chloride in pulping chemical recovery systems
SE9202419 1992-08-24
SE9300688 1993-03-02
PCT/SE1993/000688 WO1994004747A1 (en) 1992-08-24 1993-08-18 Reduction of chloride in pulping chemical recovery systems

Publications (3)

Publication Number Publication Date
FI950763A FI950763A (fi) 1995-02-20
FI950763A0 FI950763A0 (fi) 1995-02-20
FI108550B true FI108550B (fi) 2002-02-15

Family

ID=20386990

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950763A FI108550B (fi) 1992-08-24 1995-02-20 Kloridin vähentäminen massanvalmistuskemikaalien talteenottojärjestelmissä

Country Status (16)

Country Link
US (1) US5628874A (ja)
EP (1) EP0656083B1 (ja)
JP (1) JP2630507B2 (ja)
AT (1) ATE136074T1 (ja)
AU (1) AU671487B2 (ja)
BR (1) BR9306916A (ja)
CA (1) CA2142616C (ja)
CZ (1) CZ283622B6 (ja)
DE (1) DE69302019T2 (ja)
ES (1) ES2085169T3 (ja)
FI (1) FI108550B (ja)
NZ (1) NZ255620A (ja)
PL (1) PL307585A1 (ja)
RU (1) RU2095504C1 (ja)
SE (1) SE9202419D0 (ja)
WO (1) WO1994004747A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5961803A (en) * 1995-07-12 1999-10-05 Eka Chemicals Ab Leaching process
SE9502583D0 (sv) * 1995-07-12 1995-07-12 Eka Chemicals Ab Leaching process
US5980717A (en) * 1997-01-03 1999-11-09 Eka Chemical Ab Recovery process in a pulp mill
SE9700012D0 (sv) * 1997-01-03 1997-01-03 Eka Chemicals Ab Recovery process in a pulp mill
JP3811674B2 (ja) * 2002-11-05 2006-08-23 日本錬水株式会社 クラフトパルプの製造方法
FI116074B3 (fi) * 2003-04-03 2014-06-23 Kemira Oyj Rikin kierrätys sulfaattiselluprosessissa
FI126767B (en) * 2012-11-16 2017-05-15 Andritz Oy Method for extracting the ash from a recovery boiler
FI129103B (fi) * 2017-04-28 2021-07-15 Andritz Oy Menetelmä soodakattilan lentotuhkan käsittelemiseksi

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA923657A (en) * 1969-08-07 1973-04-03 Iwahashi Koji Process for recovering pulp cooking agents
US3833462A (en) * 1971-03-15 1974-09-03 Mac Millan Bloedel Ltd Process of removing sodium chloride from kraft pulping process chemical recovery systems
JPS5510716B2 (ja) * 1971-11-02 1980-03-18
US3954579A (en) * 1973-11-01 1976-05-04 Hooker Chemicals & Plastics Corporation Electrolytic method for the simultaneous manufacture of concentrated and dilute aqueous hydroxide solutions
US4000034A (en) * 1975-08-15 1976-12-28 Hooker Chemicals & Plastics Corporation Kraft mill recovery system
US4076611A (en) * 1976-04-19 1978-02-28 Olin Corporation Electrode with lanthanum-containing perovskite surface
US4277447A (en) * 1979-08-20 1981-07-07 Olin Corporation Process for reducing calcium ion concentrations in alkaline alkali metal chloride brines
US4417961A (en) * 1981-03-30 1983-11-29 The Dow Chemical Company Membrane cell brine feed
US4391680A (en) * 1981-12-03 1983-07-05 Allied Corporation Preparing alkali metal hydroxide by water splitting and hydrolysis
US5139632A (en) * 1985-05-03 1992-08-18 Allied-Signal Inc. Recovery of mixed acids from mixed salts
SE500660C2 (sv) * 1992-12-03 1994-08-01 Mo Och Domsjoe Ab Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker

Also Published As

Publication number Publication date
EP0656083B1 (en) 1996-03-27
RU2095504C1 (ru) 1997-11-10
FI950763A (fi) 1995-02-20
EP0656083A1 (en) 1995-06-07
FI950763A0 (fi) 1995-02-20
ATE136074T1 (de) 1996-04-15
DE69302019D1 (de) 1996-05-02
CZ283622B6 (cs) 1998-05-13
AU4988993A (en) 1994-03-15
ES2085169T3 (es) 1996-05-16
PL307585A1 (en) 1995-05-29
JP2630507B2 (ja) 1997-07-16
CA2142616C (en) 2000-08-01
CZ47795A3 (en) 1995-10-18
RU95106466A (ru) 1996-11-20
CA2142616A1 (en) 1994-03-03
NZ255620A (en) 1995-10-26
AU671487B2 (en) 1996-08-29
US5628874A (en) 1997-05-13
DE69302019T2 (de) 1996-09-19
BR9306916A (pt) 1999-01-12
WO1994004747A1 (en) 1994-03-03
SE9202419D0 (sv) 1992-08-24
JPH08500641A (ja) 1996-01-23

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