Potential and comprehensive recovery and utilization of associated titanium resources in accumulation-type bauxite of western Guangxi
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TD952;P618.45;P618.47

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    Abstract:

    Bauxite is often associated with various critical metal elements such as gallium (Ga) and titanium (Ti). Studying the potential and comprehensive recovery and utilization of associated titanium resources in the accumulation-type bauxite in western Guangxi is conducive to the efficient utilization of mineral resources. This paper systematically collected the resource reserve data and ore quality characteristics of major accumulation-type bauxite deposits in western Guangxi, conducted a detailed survey on the current status of associated titanium resource utilization by major aluminum enterprises in the region, and focused on carrying out process mineralogy and ore beneficiation & metallurgical performance tests in the bauxite mining area on the periphery of Taiping, Pingguo City, Guangxi. On this basis, a comprehensive recovery and utilization process was proposed.The research shows that the associated titanium resources in the accumulation-type bauxite in western Guangxi are abundant, with the average content of titanium dioxide (TiO2) ranging from 3% to 4%. The TiO2 in the ore mainly exists in the form of anatase, which is difficult to be comprehensively recovered and utilized during the alumina production process. As a result, TiO2 is further enriched in red mud, with its average content reaching approximately 6%. The comprehensive recovery and utilization of critical metal resources such as TiO2 can be achieved through a process that first removes calcium and extracts iron from red mud, followed by extracting elements including titanium, scandium (Sc), and rare earths.

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孟祥仑,徐海棚,姚双秋,覃丰,营新,王开朗,陈健,尹本纯,黄泰江,2025,桂西堆积型铝土矿伴生钛资源潜力及综合回收利用[J].岩石矿物学杂志,44(6):1433~1444. MENG Xiang-lun, XU Hai-peng, YAO Shuang-qiu, QIN Feng, YING Xin, WANG Kai-lang, CHEN Jian, YIN Ben-chun, HUANG Tai-jiang,2025,Potential and comprehensive recovery and utilization of associated titanium resources in accumulation-type bauxite of western Guangxi[J]. Acta Petrologica et Mineralogica,44(6):1433~1444.

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History
  • Received:September 19,2024
  • Revised:December 27,2024
  • Adopted:
  • Online: November 21,2025
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