FI854628A - Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning. - Google Patents

Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning. Download PDF

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Publication number
FI854628A
FI854628A FI854628A FI854628A FI854628A FI 854628 A FI854628 A FI 854628A FI 854628 A FI854628 A FI 854628A FI 854628 A FI854628 A FI 854628A FI 854628 A FI854628 A FI 854628A
Authority
FI
Finland
Prior art keywords
vattenloesning
kausticering
alkalikarbonathaltig
foerfarande foer
foerfarande
Prior art date
Application number
FI854628A
Other languages
English (en)
Other versions
FI73755B (fi
FI854628A0 (fi
FI73755C (fi
Inventor
Per Haokan Oestman
Original Assignee
Ekono 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 Ekono Oy filed Critical Ekono Oy
Priority to FI854628A priority Critical patent/FI73755C/fi
Publication of FI854628A0 publication Critical patent/FI854628A0/fi
Priority to PCT/FI1986/000131 priority patent/WO1987003314A1/en
Priority to US07/128,652 priority patent/US4894217A/en
Priority to JP61506287A priority patent/JPS63502102A/ja
Publication of FI854628A publication Critical patent/FI854628A/fi
Priority to SE8702919A priority patent/SE8702919D0/xx
Publication of FI73755B publication Critical patent/FI73755B/fi
Application granted granted Critical
Publication of FI73755C publication Critical patent/FI73755C/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
    • C01D1/22—Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • 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
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Fertilizers (AREA)
  • Treating Waste Gases (AREA)
FI854628A 1985-11-22 1985-11-22 Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning. FI73755C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI854628A FI73755C (fi) 1985-11-22 1985-11-22 Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning.
PCT/FI1986/000131 WO1987003314A1 (en) 1985-11-22 1986-11-21 A process for causticizing of an aqueous solution containing alkali carbonate
US07/128,652 US4894217A (en) 1985-11-22 1986-11-21 Process for causticizing of an aqueous solution containing alkali carbonate
JP61506287A JPS63502102A (ja) 1985-11-22 1986-11-21 アルカリ炭質水溶液の苛性化方法
SE8702919A SE8702919D0 (sv) 1985-11-22 1987-07-20 Forfarande for kausticering av en alkalikarbonathaltig vattenlosning

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI854628 1985-11-22
FI854628A FI73755C (fi) 1985-11-22 1985-11-22 Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning.

Publications (4)

Publication Number Publication Date
FI854628A0 FI854628A0 (fi) 1985-11-22
FI854628A true FI854628A (fi) 1987-05-23
FI73755B FI73755B (fi) 1987-07-31
FI73755C FI73755C (fi) 1987-11-09

Family

ID=8521731

Family Applications (1)

Application Number Title Priority Date Filing Date
FI854628A FI73755C (fi) 1985-11-22 1985-11-22 Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning.

Country Status (5)

Country Link
US (1) US4894217A (fi)
JP (1) JPS63502102A (fi)
FI (1) FI73755C (fi)
SE (1) SE8702919D0 (fi)
WO (1) WO1987003314A1 (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE460728B (sv) * 1988-11-17 1989-11-13 Smidth & Co As F L Foerfarande och anlaeggning vid behandling av mesa
CA2232302C (en) * 1995-09-20 2001-07-31 Chemical Lime Company Method of manufacturing high purity calcium carbonate
AU5139598A (en) * 1996-12-09 1998-07-03 Nippon Paper Industries Co. Ltd. Process for preparing calcium carbonate
WO2000068496A1 (en) * 1999-05-07 2000-11-16 Kvaerner Pulping Ab Feeding device and process and feeding system which utilise the feeding device
US6251356B1 (en) 1999-07-21 2001-06-26 G. R. International, Inc. High speed manufacturing process for precipitated calcium carbonate employing sequential perssure carbonation
US6387348B1 (en) * 2000-01-12 2002-05-14 The Boc Group, Inc. Method for treating spent caustic streams
JP3808263B2 (ja) * 2000-01-18 2006-08-09 日本製紙株式会社 炭酸カルシウムの製造方法
US7048900B2 (en) * 2001-01-31 2006-05-23 G.R. International, Inc. Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment
US8728428B1 (en) * 2013-03-13 2014-05-20 Carbon Engineering Limited Partnership Recovering a caustic solution via calcium carbonate crystal aggregates
US9637393B2 (en) 2014-05-19 2017-05-02 Carbon Engineering Limited Partnership Recovering a caustic solution via calcium carbonate crystal aggregates

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1754208A (en) * 1926-10-20 1930-04-08 Bradley Mckeefe Corp Production of cooking liquor which contains sodium hydroxide
US2211908A (en) * 1937-11-18 1940-08-20 Mead Corp Manufacture of caustic soda and calcium carbonate
US2287886A (en) * 1940-05-17 1942-06-30 William P Kellett Container ship
US2552183A (en) * 1945-04-07 1951-05-08 Dorr Co Two-stage causticizing
US3268388A (en) * 1963-08-20 1966-08-23 Glatfelter Co P H Manufacture of calcium carbonate
US4668342A (en) * 1985-12-03 1987-05-26 Canadian Patents And Development Ltd. Recausticizing kraft green liquor

Also Published As

Publication number Publication date
SE8702919L (sv) 1987-07-20
FI73755B (fi) 1987-07-31
SE8702919D0 (sv) 1987-07-20
FI854628A0 (fi) 1985-11-22
WO1987003314A1 (en) 1987-06-04
US4894217A (en) 1990-01-16
FI73755C (fi) 1987-11-09
JPS63502102A (ja) 1988-08-18

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Legal Events

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MM Patent lapsed

Owner name: EKONO OY