Magnesium Removal from Liquors of Laterite Leaching

Kui Liu; Xing Xin Chen

doi:10.4028/www.scientific.net/AMR.726-731.2206

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 726-731Magnesium Removal from Liquors of Laterite...

Magnesium Removal from Liquors of Laterite Leaching

Abstract:

In this study, magnesium removal through reaction of alkaline liquors and magnesium cation in liquors of laterite leaching was investigated. Basic magnesium carbonate and magnesium carbonate with high filtration properties were obtained at 70°C or above, whereas magnesium hydrate colloid existed in the products at temperatures below 70°C, resulting in the difficulty of product filtration. When the molar ratio of Na₂CO₃to Mg²⁺ was 2.25:1, the reaction temperature was 90-100°C and the reaction time was 30min, nearly 100% magnesium was removed from liquors.

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Periodical:

Advanced Materials Research (Volumes 726-731)

Pages:

2206-2209

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.726-731.2206

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Online since:

August 2013

Authors:

Kui Liu, Xing Xin Chen

Keywords:

Basic Magnesium Carbonate, Magnesium Carbonate, Magnesium Hydrate, Magnesium Removal Temperature

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