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Along with the growing of the demand for stainless steel and the declining of sulphide ores, there is an increasing focus on the utilization of nickel laterite ores.Recently,the Institute of Metallurgical Physical Chemistry of Northeastern University has developed a novel process for nickel laterite ores, based on extracting silicon from ores with NaOH solution under atmospheric pressure, so as to concentrate other elements such as magnesium, iron and nickel in the desiliconization slag, and thereby achieve the optimum resource utilization.