CALCINATION PROCESSES FOR PREPARING VARIOUS TYPES OF ALUMINA
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May 29, 2015
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May 30, 2014
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There are provided processes for converting alumina into α-Al2O3 or transition alumina that comprise heating the alumina at a temperature of about 900° C. to about 1200° C. in the presence of steam and optionally at least one gas under conditions suitable to obtain the α-Al2O3 or transition alumina. For example, the alumina can comprise a transition alumina (such as γ-Al2O3), an amorphous alumina or a mixture thereof.
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