Economics of Metals Recovery from Power Plant Fly Ash Via the Ames HiChlor Process

摘要

The disposal of potentially hazardous coal wastes is becoming a significant problem for the power industry. The Ames HiChlor process, which utilizes power plant fly ash as a source of aluminum, is proposed as a method of coal waste utilization. In the HiChlor process fly ash is chlorinated in the presence of a carbonaceous reductant at 700 to 900 exp 0 C to produce aluminum chloride and titanium tetrachloride as salable products. An economic analysis for a plant which would process 6000 tons per day of fly ash is presented. Conditions under which the proposed process will prove profitable are discussed. (ERA citation 06:005692)