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Orbite Awards Alumina Calcination and Its Acid Recovery Basic Engineering Contract to Outotec

Basic engineering will ensure a high level of hydrochloric acid recovery to produce suitable high-quality alumina for aluminum smelters. Additionally, Outotec will provide key elements needed to incorporate the calcination process into the ongoing feasibility study previously announced. The basic engineering report is expected to be completed in the first half of 2012. Combined with SMS-Siemag’s proven hydrothermal technology for both hematite production and low temperature hydrochloric acid recovery, the calcination of alumina will close the important and essential acid recovery portion of Orbite’s process. An ongoing feasibility study will integrate all sub-systems together while further optimization of process parameters is underway in different locations in Europe (12/2011).


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