Methods for Producing Alumina from Clay: An Evaluation of the Sulfurous Acid-caustic Purification Process

Methods for Producing Alumina from Clay: An Evaluation of a Potassium Alum Process

A Cost Estimate of the Bayer Process for Producing Alumina

Methods for Producing Alumina from Clay: An Evaluation of Two Ammonium Alum Processes

Methods for Producing Alumina from Clay: An Evaluation of Three Sulfuric Acid Processes

Methods for Producing Alumina from Clay: An Evaluation of Five Hydrochloric Acid Processes

Revised and Updated Cost Estimates for Producing Alumina from Domestic Raw Materials

Methods for Producing Alumina from Anorthosite: An Evaluation of a Lime-soda Sinter Process

Methods for Producing Alumina from Clay: An Evaluation of a Sulfurous Acid-sulfuric Acid Process

Methods for Producing Alumina from Clay: An Evaluation of a Lime-soda Sinter Process

Economic Evaluation Methodology

Cost Estimate of the Bayer Process for Producing Alumina-based on 1982 Equipment Prices

Cost Evaluation of a Metal and Mineral Recovery Process for Treating Municipal Incinerator Residues

An Assessment of a Proposed Plant for Producing Direct Reduced Iron on the Minnesota Iron Range

Evaluation of the Sulfatization-reduction Process for Recovering Manganese and Iron Oxide Pellets

Recovery of Alumina from Anorthosite, San Gabriel Mountains, California, Using the Lime Soda Sinter Process: With a Section on Geology by Gordon B. Oakeshott, Issues 6241-6295

Heats and Free Energies of Formation of Gallium Sesquioxide and Scandium Sesquioxide: Issues 5900-5997

Developing a Thermochemical Model for the Iron Blast Furnace: Model of Ideal Furnace at Equilibrium, Issues 6221-6240

Test Operation of a Pneumatic Vibrating-blade Planer in Phosphate and Coal: A Progress Report on Planer-mining Research, 1958-60, Issues 6121-6140

Face Ventilation in Underground Bituminous Coal Mines: Performance Characteristics of Common Jute Line Brattice, Issues 6721-6740