FI914587A - Foerfarande foer framstaellning av natriumhydroxid - Google Patents

Foerfarande foer framstaellning av natriumhydroxid Download PDF

Info

Publication number
FI914587A
FI914587A FI914587A FI914587A FI914587A FI 914587 A FI914587 A FI 914587A FI 914587 A FI914587 A FI 914587A FI 914587 A FI914587 A FI 914587A FI 914587 A FI914587 A FI 914587A
Authority
FI
Finland
Prior art keywords
sodriumhydroxid
foerfarande foer
foer framstaellning
framstaellning
foerfarande
Prior art date
Application number
FI914587A
Other languages
English (en)
Other versions
FI914587A0 (fi
Inventor
Kaj Henricson
Anja Klarin
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
Priority to FI914587A priority Critical patent/FI914587A/fi
Publication of FI914587A0 publication Critical patent/FI914587A0/fi
Priority to PCT/FI1992/000247 priority patent/WO1993006298A1/en
Publication of FI914587A publication Critical patent/FI914587A/fi

Links

Classifications

    • 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
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FI914587A 1991-09-27 1991-09-27 Foerfarande foer framstaellning av natriumhydroxid FI914587A (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI914587A FI914587A (fi) 1991-09-27 1991-09-27 Foerfarande foer framstaellning av natriumhydroxid
PCT/FI1992/000247 WO1993006298A1 (en) 1991-09-27 1992-09-22 A method of producing sodium hydroxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI914587A FI914587A (fi) 1991-09-27 1991-09-27 Foerfarande foer framstaellning av natriumhydroxid

Publications (2)

Publication Number Publication Date
FI914587A0 FI914587A0 (fi) 1991-09-27
FI914587A true FI914587A (fi) 1993-03-28

Family

ID=8533204

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914587A FI914587A (fi) 1991-09-27 1991-09-27 Foerfarande foer framstaellning av natriumhydroxid

Country Status (2)

Country Link
FI (1) FI914587A (fi)
WO (1) WO1993006298A1 (fi)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1188485A (en) * 1982-03-25 1985-06-11 Kien L. Nguyen Alkali regeneration process
SE454188B (sv) * 1984-10-19 1988-04-11 Skf Steel Eng Ab Sett att atervinna kemikalier ur massaavlutar
US4637858A (en) * 1985-02-25 1987-01-20 Crown Zellerbach Corporation Pyrolysis of black liquor at high temperatures using radiant energy
FI78748C (fi) * 1988-01-20 1989-09-11 Teraesbetoni Oy Foerfarande och anordning foer aotervinning av kemikalier fraon natriumkarbonathaltig smaelta fraon foerbraenning av massaavlut.

Also Published As

Publication number Publication date
FI914587A0 (fi) 1991-09-27
WO1993006298A1 (en) 1993-04-01

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Legal Events

Date Code Title Description
FD Application lapsed