The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 1997
Filed:
Oct. 06, 1995
Gregory J Mills, Jandakot, AU;
William S Maley, Mount Pleasant, AU;
Alcoa of Australia Ltd., Melbourne, AU;
Abstract
A method is disclosed for drying particulate material, particularly alumina, which comprises the steps of subjecting a first portion of a wet particulate material feed to pre-drying to produce at least partially dried particular material and moisture, heating the at least partially dried particulate material to a temperature higher than the temperature of the pre-drying to produce hot particulate material, water vapour and products of combustion, passing the water vapour and products of combustion to the pre-drier, mixing the hot particulate material with a second portion of the wet particulate material feed to cool the hot particulate material and further cooling the cooled particulate material and subsequent separation to produce a low temperature particular material product.