Experiment Study on Beneficiation of Low grade Weathering Ilmenite in China
The process mineralogy characteristics of a low-grade weathered ilmenite in China were studied and the occurrence of valuable elements,composition of minerals,liberation degree were ascertained by using chemical analysis,XRF analysis,phase analysis,and mineral dissociation analysis,and so on.In order to develop the resources reasonably,the beneficiation researches were conducted.The technological process combining grinding-weak magnetic-high magnetic-shaking table separation was determined.The experiment results indicate that,In the feed ore contained 5.32％TiO2,by testing process,following results had been achieved:the titanium grade,titanium recovery of concentrate were 46.70％,50.94％.The results can meet the requirements of the industrial indexes of ilmenite concentrates for metallurgical purposes.Based on bench tests,a rational flowsheeet was recommended as a design reference for subsequent wastewater treatment works.
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