INSTALLATION POUR L'EXTRACTION CONTINUE DE LA BAUXITE

Continuous bauxite extraction appts. in which the bauxite (I) with an NaAlO2 wash (II) is treated in a tube (III) pressurised at 10-200 atm. and at 150-300 degrees C. A suspension of (I) in (II) is passed through (III) by a membrane and piston high pressure pump, (III) acts as preheater with one tub...

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Bibliographische Detailangaben
Hauptverfasser:	HANS GEORG KALTENBERG,DE, FRITZ KAMPF,DE
Format:	Patent
Sprache:	fre ; rum
Schlagworte:	CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY
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Beschreibung
Zusammenfassung:	Continuous bauxite extraction appts. in which the bauxite (I) with an NaAlO2 wash (II) is treated in a tube (III) pressurised at 10-200 atm. and at 150-300 degrees C. A suspension of (I) in (II) is passed through (III) by a membrane and piston high pressure pump, (III) acts as preheater with one tube through which vapour from (II) pressure reducers are passed. Heat exchangers are heated by biphenyl vapours with an organic liquid themal vehicle with a molten saline mass. Partic. a complementary collector in which the almost completely reacted mixture is further pressure treated, is provided downstream of (III).