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Methods for producing alumina from clay :an evaluation of five hydrochloric acid processes
Methods for producing alumina from clay :an evaluation of a potassium alum process
Methods for producing alumina from clay :an evaluation of a nitric acid process
Methods for producing alumina from clay :an evaluation of two ammonium alum processes
A cost estimate of the Bayer process for producing alumina
Methods for producing alumina from anorthosite :an evaluation of a lime-soda sinter process
A computer program for calculating capital and operating costs
Economic studies of uses of the glass fractions from municipal incinerator residues
Methods for producing alumina from clay :an evaluation of a sulfurous acid-sulfuric acid process
Revised and updated cost estimates for producing alumina from domestic raw materials,