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Alumina Rotary Kiln Specifications 1. Certificate CE, ISO9001 14000 2. The biggest rotary kiln manufacture experience 3. Our service Design, model selection, installation, testing, after sale service, etc. Alumina Rotary Kiln Application Rotary kiln is a kind of thermal equipment, heating materials. Calcined Bauxite is produced by sintering high-alumina bauxite in rotary, round or shaft kilns at high temperatures of 1600-1800. This process of calcining (heating) bauxite in kilns removes moisture and gives Calcined Bauxite its high alumina content and