CA1184006A - Methode de traitement des agents chimiques de digestion pour la production des pates de cellulose - Google Patents

Methode de traitement des agents chimiques de digestion pour la production des pates de cellulose

Info

Publication number
CA1184006A
CA1184006A CA000413062A CA413062A CA1184006A CA 1184006 A CA1184006 A CA 1184006A CA 000413062 A CA000413062 A CA 000413062A CA 413062 A CA413062 A CA 413062A CA 1184006 A CA1184006 A CA 1184006A
Authority
CA
Canada
Prior art keywords
lime
aqueous solution
improved method
milk
liquor
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000413062A
Other languages
English (en)
Inventor
Claes Svensson
Hans Theliander
Lennart Hagelqvist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1184006A publication Critical patent/CA1184006A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01F11/02—Oxides or 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CA000413062A 1981-10-13 1982-10-07 Methode de traitement des agents chimiques de digestion pour la production des pates de cellulose Expired CA1184006A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8105886A SE448102B (sv) 1981-10-13 1981-10-13 Forfarande vid beredning av kokkemikalier for cellulosamassaframstellning
SE8105886-9 1981-10-13

Publications (1)

Publication Number Publication Date
CA1184006A true CA1184006A (fr) 1985-03-19

Family

ID=20344708

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000413062A Expired CA1184006A (fr) 1981-10-13 1982-10-07 Methode de traitement des agents chimiques de digestion pour la production des pates de cellulose

Country Status (5)

Country Link
AT (1) AT378381B (fr)
CA (1) CA1184006A (fr)
FI (1) FI73754C (fr)
FR (1) FR2514383B1 (fr)
SE (1) SE448102B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997003245A1 (fr) * 1995-07-11 1997-01-30 Ahlstrom Machinery Oy Procede de separation des impuretes contenues dans des boues residuaires de chaux et procede de caustification, en deux etapes, de liqueur verte comportant des impuretes, telles que du silicium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI49331C (fi) * 1973-06-27 1975-05-12 Ahlstroem Oy Tapa poistaa väri selluloosatehtaan jätevedestä ja laite tavan sovelta miseksi.
US3120464A (en) * 1960-11-29 1964-02-04 Nat Council For Stream Improve Decolorizing kraft waste liquors
GB1010296A (en) * 1961-08-25 1965-11-17 Eimco Corp Improvements in or relating to aqueous caustic soda production
US3635670A (en) * 1969-06-11 1972-01-18 Allied Chem Recovery of dilute caustic soda solutions from spent liquors containing hemicellulose
FI53728C (fi) * 1974-03-12 1978-07-10 Ahlstroem Oy Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997003245A1 (fr) * 1995-07-11 1997-01-30 Ahlstrom Machinery Oy Procede de separation des impuretes contenues dans des boues residuaires de chaux et procede de caustification, en deux etapes, de liqueur verte comportant des impuretes, telles que du silicium
US6074521A (en) * 1995-07-11 2000-06-13 Ahlstrom Machinery Oy Method of separating impurities from lime and lime sludge
CN1108412C (zh) * 1995-07-11 2003-05-14 安德里兹公司 从石灰和白泥中分离杂质的方法以及两步法苛化含有杂质如硅的绿液的方法

Also Published As

Publication number Publication date
SE8105886L (sv) 1983-04-14
FI73754C (fi) 1987-11-09
FI823417L (fi) 1983-04-14
FI823417A0 (fi) 1982-10-08
SE448102B (sv) 1987-01-19
FI73754B (fi) 1987-07-31
ATA374982A (de) 1984-12-15
FR2514383B1 (fr) 1986-08-22
FR2514383A1 (fr) 1983-04-15
AT378381B (de) 1985-07-25

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry