GR38916B - Τελειοποιησεις εις την καθαρσιν των διαλυμματων αργιλικου νατριου. - Google Patents

Τελειοποιησεις εις την καθαρσιν των διαλυμματων αργιλικου νατριου.

Info

Publication number
GR38916B
GR38916B GR670138916A GR670138916A GR38916B GR 38916 B GR38916 B GR 38916B GR 670138916 A GR670138916 A GR 670138916A GR 670138916 A GR670138916 A GR 670138916A GR 38916 B GR38916 B GR 38916B
Authority
GR
Greece
Prior art keywords
purification
perfections
expressed
sodium clay
clay solutions
Prior art date
Application number
GR670138916A
Other languages
English (en)
Original Assignee
Ugine Kuhlmann
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 Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of GR38916B publication Critical patent/GR38916B/el

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
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

παρούσα εφεύρεσης αφορά εις την κάθαρσιν διαλυμάτων αργιλικού νατρίου προερχομένων εξ αλκαλικής προσβολής των βωξιτών υπό υψηλάς θερμοκρασίας και πιέσεις και περιεχόντων εν εναιφρήσει σίδηρον. Ειδικώτερον αυτή αφορά εις: Μέθοδον, καθ' ην το προςκάθαρσιν διάλυμα τίθεται εν επαφή μετα βωξίτου-μονοϋδρίτου υπό κοκκώδη μορφήν, υπό τοιαύτας συνθήκας ώστε η σχέσις της επιφανείας των κόκκων, εκφραζομένης εις Μ2, προς την παροχήν διαλύματος, εκφραζομένην εις Μ3/Η, να περιλαμβάνηται μεταξύ 150 και 600.
GR670138916A 1966-08-18 1967-07-27 Τελειοποιησεις εις την καθαρσιν των διαλυμματων αργιλικου νατριου. GR38916B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR73427A FR1498542A (fr) 1966-08-18 1966-08-18 Perfectionnements à l'épuration des solutions d'aluminate de sodium

Publications (1)

Publication Number Publication Date
GR38916B true GR38916B (el) 1970-01-12

Family

ID=8615579

Family Applications (1)

Application Number Title Priority Date Filing Date
GR670138916A GR38916B (el) 1966-08-18 1967-07-27 Τελειοποιησεις εις την καθαρσιν των διαλυμματων αργιλικου νατριου.

Country Status (6)

Country Link
US (1) US3728432A (el)
AT (1) AT274738B (el)
DE (1) DE1592186B2 (el)
FR (1) FR1498542A (el)
GB (1) GB1207835A (el)
GR (1) GR38916B (el)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU166351B (el) * 1972-05-05 1975-03-28
DE3224040A1 (de) * 1982-06-28 1983-12-29 Henkel KGaA, 4000 Düsseldorf Verfahren zum hydrothermalen aufschluss von einen hohen gehalt an gegluehten aluminiumoxiden aufweisenden chemischen abfaellen und rueckstaenden
EP0339766A1 (en) * 1988-04-06 1989-11-02 Alcan International Limited Reducing colloidal iron levels in bayer liquors
US6077486A (en) * 1999-03-25 2000-06-20 Cytec Technology Corp. Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron
RU2313490C1 (ru) * 2006-05-11 2007-12-27 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" Способ переработки бокситов
US10427950B2 (en) 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
AU2022220705A1 (en) 2021-02-12 2023-08-17 Ecolab Usa Inc. Purification of bauxite ores using boronic acid-functional compounds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002809A (en) * 1959-06-22 1961-10-03 Nalco Chemical Co Method of manufacture of high purity sodium aluminate
GB1070659A (en) * 1964-06-22 1967-06-01 Alusuisse Process for the purification of solutions containing soluble aluminates
US3397953A (en) * 1965-03-04 1968-08-20 Atlas Chem Ind Flocculating agent
US3399958A (en) * 1965-06-21 1968-09-03 Reynolds Metals Co Treatment of aqueous alkaline aluminate liquors to remove chromium values

Also Published As

Publication number Publication date
DE1592186B2 (de) 1976-12-09
FR1498542A (fr) 1967-10-20
GB1207835A (en) 1970-10-07
AT274738B (de) 1969-09-25
DE1592186A1 (de) 1970-10-29
US3728432A (en) 1973-04-17

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