Process for producing alumina

Details Process for producing alumina Process for producing alumina

C - Chemistry, Metallurgy

01

F

23/243

C01F 7/42 (2006.01)

Patent

CA 1086025

TO ALL WHOM IT MAY CONCERN: Be it known that We, CHEMOKOMPLEX VEGYIPARI G?P ?S BERENDEZ?S EXPORT-IMPORT V?LLALAT, a body corporate organised under the laws of Hungary of Budapest, Hungary, made the invention entitled: "A PROCESS FOR PRODUCING ALUMINA" and the following disclosure contains a full description of the invention and of the best mode known to the inventors of taking advantage of the same: ABSTRACT OF THE DISCLOSURE Pure alumina is produced from aluminium metal by steps of activation by stripping the oxide layer in an acidic aqueous medium; washing in a neutral medium; reacting in a neutral, acidic or alkaline medium to give hydrated alumina; and igniting the hydrated alumina. - 1 -

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