The mixing process in hydrometallurgical industries cam be categorized for easy understanding as tabulated below-Īlumina Refinery can broadly be divided into two main process areas – In view of requirement of suitable agitators for Alumina refinery, it was felt essential to briefly outline the mixing process and elaborate the basic guidelines with associated parameters required for drive rating calculations for slurry mixing agitators suiting various process conditions in Alumina refinery. In the opinion of equipment designers and process experts, the design of agitators for mixing the slurry with the desired degree of agitation is considered to be complicated and tricky issue. Majority of the process equipment in the Alumina refinery are tailor-made suiting the plant capacity requirement. The major technological facilities for Alumina Refinery comprises of various types of stationery and rotating process equipment like crushers, conveyors, ball mills, tanks, pumps, piping, agitators, evaporators, heat exchangers, causticizers, filters and calciners.

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