Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays

Abstract From the Canadian patent

TO ALL WHOM IT MAY CONCERN, BE IT KNOWN that DAVID WESTON of 34 Parkwood Avenue, Toronto, Ontario Canada, M4V 2X1, a Canadian citizen, has invented certain new and useful improvements in PRODUCTION OF A PURIFIED ALUMINA-SILICA PRODUCT AND SUBSTANTIALLY PURE ALUMINUM TRICHLORIDE FROM BAUXITES AND CLAYS, ABSTRACT OF THE DISCLOSURE At least a single stage chlorination system for the production of a substantially iron-free alumina-silica product from Bauxites, Bauxitic Clays and Clays wherein at least one chlorination agent is selected from the group consisting of Cl2 HCl, and COCl2 and at least one chlorination agent iron the group consisting of AlCl3 and SiCl4.