IMPROVEMENTS IN SMELTE ER GRADE ALUMINA QUALITY AT CLAREN WORKS DON ALUMINA

摘要

Alcoa’s Clarendon Alumina Works recorded a significantimprovement in its smelter grade alumina, SGA, quality. Thismarked improvement came about as a result of changes in greenliquor filtration technology and process management inprecipitation. This paper discusses the impact that these changeshad on iron, calcia, titanium, silica and soda in SGA.