FI64671B - Beredning av vitlut - Google Patents

Beredning av vitlut Download PDF

Info

Publication number
FI64671B
FI64671B FI791164A FI791164A FI64671B FI 64671 B FI64671 B FI 64671B FI 791164 A FI791164 A FI 791164A FI 791164 A FI791164 A FI 791164A FI 64671 B FI64671 B FI 64671B
Authority
FI
Finland
Prior art keywords
lime
liquor
white liquor
pressure
temperature
Prior art date
Application number
FI791164A
Other languages
English (en)
Finnish (fi)
Other versions
FI791164A (fi
Inventor
Alf Ove Andersson
Original Assignee
Alf Ove Andersson
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 Alf Ove Andersson filed Critical Alf Ove Andersson
Publication of FI791164A publication Critical patent/FI791164A/fi
Application granted granted Critical
Publication of FI64671B publication Critical patent/FI64671B/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
    • 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
    • C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
    • 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
    • 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)
  • 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)
FI791164A 1978-04-14 1979-04-09 Beredning av vitlut FI64671B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7804239A SE419997B (sv) 1978-04-14 1978-04-14 Sett att bereda vitlut vit ett tryck over atmosferstrycket
SE7804239 1978-04-14

Publications (2)

Publication Number Publication Date
FI791164A FI791164A (fi) 1979-10-15
FI64671B true FI64671B (fi) 1983-08-31

Family

ID=20334613

Family Applications (1)

Application Number Title Priority Date Filing Date
FI791164A FI64671B (fi) 1978-04-14 1979-04-09 Beredning av vitlut

Country Status (5)

Country Link
JP (1) JPH0123596B2 (zh)
CA (1) CA1163777A (zh)
FI (1) FI64671B (zh)
SE (1) SE419997B (zh)
WO (1) WO1979000931A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI71786C (fi) * 1983-02-23 1987-02-09 Enso Gutzeit Oy Kausticeringsfoerfarande.
SE463771C (sv) * 1985-05-02 1999-07-12 Caustec Ab Anordning och förfarande för separering av vitlut, mesa och eventuellt slam varvid användes ett roterande skivfilter
FI72156C (fi) * 1985-03-19 1987-04-13 Enso Gutzeit Oy Kausticeringsfoerfarande.
US5145556A (en) * 1991-07-31 1992-09-08 International Paper Company Single-stage slaking and causticizing method
WO1996026901A1 (en) * 1995-02-27 1996-09-06 Aeci Limited Production of precipitated calcium carbonate
AU709774B2 (en) * 1995-03-02 1999-09-09 Pretoria Portland Cement Company Limited Calcium carbonate precipitation method
AU5139698A (en) * 1996-12-09 1998-07-03 Nippon Paper Industries Co. Ltd. Process for preparing calcium carbonate
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2969C (da) * 1900-04-17 Richard Jaeger Fremgangsmaade til Tørlæskning af Kalk.
DE109555C (zh) *

Also Published As

Publication number Publication date
CA1163777A (en) 1984-03-20
JPS55500189A (zh) 1980-04-03
FI791164A (fi) 1979-10-15
SE419997B (sv) 1981-09-07
SE7804239L (sv) 1979-10-15
JPH0123596B2 (zh) 1989-05-08
WO1979000931A1 (en) 1979-11-15

Similar Documents

Publication Publication Date Title
FI64671B (fi) Beredning av vitlut
CA2089097C (en) Removal of aox from bleach plant mill effluents by ph shift using the alkalinity/acidity sources available at the mill
US4119698A (en) Reclamation treatment of red mud
JP2016183101A (ja) 粒子状炭酸カルシウムを得る方法
US3833464A (en) Method of decolorizing paper mill effluent liquid
US2238456A (en) Purification of magnesium base liquors
JP4105171B2 (ja) クラフトパルプ黒液のガス化方法と水素製造方法
US1560900A (en) Process of treating wate sodium monosulphite liquors
US4627888A (en) Causticizing method
FI113468B (fi) Klooridioksidin tuotantoprosessissa syntyvän happaman sivutuotteen metateesi
US4762590A (en) Causticizing process
US1699845A (en) Process of treating waste sulphite liquor
US3554859A (en) Process for recovery of sulphur from furnaced black liquor
CN103611401B (zh) 一种卤水净化废渣脱硫工艺
NO117606B (zh)
US7179437B2 (en) Feeding device and process and feeding system which utilize the feeding device
US1488829A (en) Process of making cooking liquors
FI73754C (fi) Foerfarande vid beredning av kok-kemikalier foer cellulosaframstaellning.
US1326384A (en) Process for the extraction of alumina from clay.
CA3138369C (en) Process to recover alkali from a metal oxide/hydroxide containing material
CN1453282A (zh) 一种用糠醛渣滓制取木质素磺酸盐的方法
CN1243807A (zh) 碱法造纸黑液处理回收方法
US1057416A (en) Process of concentrating sulfite waste liquor.
CA1273758A (en) Causticizing process
WO2002096820A1 (en) Method and device for slaking lime material

Legal Events

Date Code Title Description
FC Application refused

Owner name: ANDERSSON, ALF OVE