FI53728B - - Google Patents

Info

Publication number
FI53728B
FI53728B FI743/74A FI74374A FI53728B FI 53728 B FI53728 B FI 53728B FI 743/74 A FI743/74 A FI 743/74A FI 74374 A FI74374 A FI 74374A FI 53728 B FI53728 B FI 53728B
Authority
FI
Finland
Application number
FI743/74A
Other languages
Finnish (fi)
Other versions
FI74374A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
FI53728C (fi
Inventor
Kaj Henricson
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 FI743/74A priority Critical patent/FI53728C/fi
Priority to JP50027909A priority patent/JPS522001B2/ja
Priority to US05/556,974 priority patent/US4093508A/en
Priority to SE7502730A priority patent/SE422965B/xx
Priority to FR7507736A priority patent/FR2264128B1/fr
Publication of FI74374A7 publication Critical patent/FI74374A7/fi
Publication of FI53728B publication Critical patent/FI53728B/fi
Application granted granted Critical
Publication of FI53728C publication Critical patent/FI53728C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C01D7/22—Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/22—Alkali metal sulfides or polysulfides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/14—Purification
    • 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
    • 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
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration
    • 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)
  • Furnace Details (AREA)
  • Paper (AREA)
  • Removal Of Specific Substances (AREA)
FI743/74A 1974-03-12 1974-03-12 Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning FI53728C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI743/74A FI53728C (fi) 1974-03-12 1974-03-12 Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning
JP50027909A JPS522001B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-03-12 1975-03-06
US05/556,974 US4093508A (en) 1974-03-12 1975-03-10 Process for recovering chemicals from the waste liquors of sulfate cellulose digestion and the waste waters of bleaching
SE7502730A SE422965B (sv) 1974-03-12 1975-03-11 Forfarande for atervinning av kemikalier ur avlutar fran sulfatcellulosakok och avfallsvatten fran blekning
FR7507736A FR2264128B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-03-12 1975-03-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI743/74A FI53728C (fi) 1974-03-12 1974-03-12 Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning

Publications (3)

Publication Number Publication Date
FI74374A7 FI74374A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-09-13
FI53728B true FI53728B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-03-31
FI53728C FI53728C (fi) 1978-07-10

Family

ID=8504575

Family Applications (1)

Application Number Title Priority Date Filing Date
FI743/74A FI53728C (fi) 1974-03-12 1974-03-12 Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning

Country Status (5)

Country Link
US (1) US4093508A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS522001B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI53728C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2264128B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE422965B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448102B (sv) * 1981-10-13 1987-01-19 Claes Svensson Forfarande vid beredning av kokkemikalier for cellulosamassaframstellning
FI67732C (fi) * 1982-10-20 1985-05-10 Tampella Oy Ab Saett att aotervinna kemikalier fraon kloridhaltig groenlut
FI72156C (fi) * 1985-03-19 1987-04-13 Enso Gutzeit Oy Kausticeringsfoerfarande.
GB9117936D0 (en) * 1991-08-20 1991-10-09 Canada Inc Production of sodium hydroxide
US5246542A (en) * 1991-09-18 1993-09-21 Fosberg Theodore M Evaporation and recovery process for bleached chemical thermo-mechanical pulp (BCTMP) effluent
CH686682A5 (de) * 1992-05-05 1996-05-31 Granit Sa Herstellung von Zellstoff nach dem S.A.P.-Verfahren.
JP2986137B2 (ja) * 1992-07-27 1999-12-06 アールストロム マシナリイ オサケ ユキチュア 緑液結晶化
SE500748C2 (sv) * 1992-10-12 1994-08-22 Bertil Pettersson Förfarande vid kemikalieåtervinning i en sulfatmassafabrik för framställning av dels en vitlut med hög sulfiditet och dels en sulfidfattig vitlut
FI98537C (fi) * 1993-10-20 1997-07-10 Enso Gutzeit Oy Menetelmä valkolipeässä olevan natriumhydroksidin erottamiseksi
FI95608B (fi) * 1994-06-17 1995-11-15 Ahlstroem Oy Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä
CN101913626B (zh) * 2010-08-03 2012-01-25 王嘉兴 用硫化碱废渣制备烧碱、碳酸钙和硫化钠的方法
AU2014203695B2 (en) * 2013-07-09 2015-05-28 Parkway Process Technologies Pty Ltd Process for Manufacture of Sodium Hydroxide and Sodium Chloride Products from Waste Brine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862887A (en) * 1955-10-03 1958-12-02 Western Preciptation Corp Process for production and separation of sodium sulfide and sodium carbonate from spent liquors
US3120464A (en) * 1960-11-29 1964-02-04 Nat Council For Stream Improve Decolorizing kraft waste liquors
GB1106841A (en) * 1965-01-25 1968-03-20 Electric Reduction Co Process for the production of bleached pulp
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process
CA915362A (en) * 1969-12-30 1972-11-28 W. Reeve Douglas Chemical recovery process
US3746612A (en) * 1969-12-30 1973-07-17 Erco Envirotech Ltd Removal of sodium chloride from white pulping liquor
CA928007A (en) * 1969-12-30 1973-06-12 H. Rapson William Chemical recovery process
SE400997B (sv) * 1972-12-15 1978-04-17 Erco Envirotech Ltd Sett for avlegsnande av natriumklorid ur regenererad vitlut
CA1058358A (en) * 1973-08-07 1979-07-17 Erco Envirotech Ltd. Removal of dissolved salts from sulphide liquors
US3909344A (en) * 1973-12-03 1975-09-30 Erco Envirotech Ltd Removal of sodium chloride from pulp mill operations
US3954552A (en) * 1974-08-05 1976-05-04 Erco Envirotech Ltd. Removal of sodium chloride from pulp mill systems
US3945880A (en) * 1974-08-05 1976-03-23 Erco Envirotech Ltd. Sodium chloride removal in pulp mill systems

Also Published As

Publication number Publication date
SE422965B (sv) 1982-04-05
JPS522001B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-01-19
SE7502730L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-09-15
FR2264128B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-08-21
US4093508A (en) 1978-06-06
FI74374A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-09-13
JPS50123902A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-09-29
FI53728C (fi) 1978-07-10
FR2264128A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-10-10

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