IT1177487B - Metodo per aumentare la purezza di idrossidi di metalli alcalini - Google Patents

Metodo per aumentare la purezza di idrossidi di metalli alcalini

Info

Publication number
IT1177487B
IT1177487B IT24161/84A IT2416184A IT1177487B IT 1177487 B IT1177487 B IT 1177487B IT 24161/84 A IT24161/84 A IT 24161/84A IT 2416184 A IT2416184 A IT 2416184A IT 1177487 B IT1177487 B IT 1177487B
Authority
IT
Italy
Prior art keywords
purity
increase
metal hydroxides
alkaline metal
alkaline
Prior art date
Application number
IT24161/84A
Other languages
English (en)
Italian (it)
Other versions
IT8424161A0 (it
Inventor
Heiko Wunder
John David Gillett
Jack Scukovic
Allan John Bennett
Original Assignee
North Broken Hill Ltd
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 North Broken Hill Ltd filed Critical North Broken Hill Ltd
Publication of IT8424161A0 publication Critical patent/IT8424161A0/it
Application granted granted Critical
Publication of IT1177487B publication Critical patent/IT1177487B/it

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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/122—Treatment, e.g. dissolution, of the smelt
    • 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
    • C01D1/28—Purification; Separation
    • C01D1/32—Purification; Separation by absorption or precipitation
    • 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
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Compounds Of Iron (AREA)
IT24161/84A 1983-12-23 1984-12-21 Metodo per aumentare la purezza di idrossidi di metalli alcalini IT1177487B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPG300983 1983-12-23

Publications (2)

Publication Number Publication Date
IT8424161A0 IT8424161A0 (it) 1984-12-21
IT1177487B true IT1177487B (it) 1987-08-26

Family

ID=3770460

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24161/84A IT1177487B (it) 1983-12-23 1984-12-21 Metodo per aumentare la purezza di idrossidi di metalli alcalini

Country Status (8)

Country Link
EP (1) EP0165945A4 (fr)
JP (1) JPS61500783A (fr)
AU (1) AU3785285A (fr)
BR (1) BR8407243A (fr)
FI (1) FI853215A0 (fr)
IT (1) IT1177487B (fr)
WO (1) WO1985002834A1 (fr)
ZA (1) ZA849901B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0784716B2 (ja) * 1985-10-29 1995-09-13 三菱重工業株式会社 アルカリパルプ廃液から苛性ソ−ダを回収する方法
JP7793545B2 (ja) * 2020-05-22 2026-01-05 スザノ・エス．エー． クラフトプロセス回収サイクルを処理して、クラフトプロセスにおける金属レベルを低減する方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB335371A (en) * 1929-07-15 1930-09-25 Erik Ludvig Rinman Method of alkalizing the waste liquors from the soda or sulphate pulp manufacture for the purpose of dry distilling the same
GB381697A (en) * 1931-09-19 1932-10-13 Erik Ludvig Rinman Method of relieving alkaline waste liquors from the soda or sulphate pulp manufacture, of silica
NL71715C (fr) * 1948-12-20
NL232042A (fr) * 1958-01-29
AU450309B2 (en) * 1972-11-13 1974-07-04 Oji Paper Co. Ltd. Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry
CA1115490A (fr) * 1978-04-20 1982-01-05 Geoffrey H. Covey Methode de regeneration des alcalis
CA1188485A (fr) * 1982-03-25 1985-06-11 Kien L. Nguyen Regeneration des alcalis

Also Published As

Publication number Publication date
FI853215L (fi) 1985-08-21
BR8407243A (pt) 1985-11-26
WO1985002834A1 (fr) 1985-07-04
FI853215A7 (fi) 1985-08-21
ZA849901B (en) 1985-08-28
IT8424161A0 (it) 1984-12-21
JPS61500783A (ja) 1986-04-24
EP0165945A4 (fr) 1986-07-17
EP0165945A1 (fr) 1986-01-02
FI853215A0 (fi) 1985-08-21
AU3785285A (en) 1985-07-12

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