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a process for enhanced removal of iron from bauite ores in arab

Jul 15 2020 · After preroasting at a temperature of 750 °C for 30 min diaspore AlOOH and goethite FeOOH in the raw highiron bauxite ore were transformed into Al 2 O 3 and Fe 2 O 3 respectively The optimal suspension roasting conditions were determined to be a roasting temperature of 600 °C with a H 2 concentration of 25 for 4 min The reduction sample was subjected to magnetic separation and a ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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