Effect of quaternary ammonium salts on flotation behavior of aluminosilicate minerals

  • Zhao Sheng-gui  (赵声贵)Email author
  • Zhong Hong  (钟 宏)
  • Liu Guang-yi  (刘广义)


The electrokinetic properties and flotation of diaspore, kaolinite, pyrophyllite and illite with quaternary ammonium salts collectors were studied. The results of flotation tests show that the collecting ability of quaternary ammonium salts for the four minerals is in the order (from strong to weak) of octadecyl dimethyl benzyl ammonium chloride(ODBA), cetyl trimethyl ammonium bromide(CTAB), dodecyl trimethyl ammonium chloride(DTAC). Under the condition of alkalescence, it is possible to separate the diaspore from the silicate minerals such as kaolinite, illite and pyrophyllite using quaternary ammonium salts as collector. Isoelectric points (IEP) of diaspore, kaolinite, pyrophyllite and illite are pH=6.0, 3.4, 2.3 and 3.2, respectively. Quaternary ammonium salts can change ζ-potential of the aluminosilicate minerals obviously. The flotation mechanisms were explained by ζ-potential and Fourier transform infrared spectrum (FT-IR) measurements. The results demonstrate that only electrostatic interaction takes place between aluminosilicate minerals (diaspore, kaolinite, pyrophyllite and illite) and quaternary ammonium salts.

Key words

aluminosilicate mineral quaternary ammonium salt flotation 


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  1. [1]
    LIU Zhong-fan, DU Ya-jun. Overall analysis of Chinese bauxite resource[J]. Light Metals, 2000(12): 8–13. (in Chinese)Google Scholar
  2. [2]
    LU Yi-ping, ZHANG Guo-fang, FENG Qi-ming, et al. A novel collector RL for flotation of baxite[J]. J Cent South Univ Technol, 2002, 9(1): 21–24.CrossRefGoogle Scholar
  3. [3]
    CHEN Jian-hua, ZHAO Qing-jie. Technical progress in last ten years and future development direction of Chinese alumina industry[J]. Light Metals, 2000(10): 3–7. (in Chinese)Google Scholar
  4. [4]
    CHENG Dai, YAN Din-ou. Production actuality and development of bauxite industry in China[J]. Light Metals, 1997(1): 12–19. (in Chinese)Google Scholar
  5. [5]
    CHEN Wan-kun, PENG Guan-cai. The Digestion Technology of Diasporic Bauxite[M]. Beijing: Metallurgical Industry Press, 1997. (in Chinese)Google Scholar
  6. [6]
    HUANG Guo-zhi, FANG Qi-xue, GUI Ji-rang, Rang-jie, et al. The casting silicate means and studying evolvement of bauxite[J]. Light Metal, 1999(5): 16–20. (in Chinese)Google Scholar
  7. [7]
    FANG Qi-xue, HUANG Guo-zhi. The character of bauxite and the technology of flotation desilicate in China[J]. Metallic Ore Dressing Abroad, 2000(5): 11–16.Google Scholar
  8. [8]
    FENG Qi-ming, LIU Guang-yi, LU Yi-ping. The 90’s research and outlook of bauxite on impurity removing by mineral processing[J]. Light Metals, 1998(4): 9–13. (in Chinese)Google Scholar
  9. [9]
    ZHANG Guo-fan. Theory and technology of flotation on bauxite desilicate[D]. Changsha: Central South University, 2001. (in Chinese)Google Scholar
  10. [10]
    ZHANG Guo-fan, LU Yi-ping, OU Le-ming, et al. A new collector RL for flotation of bauxite[J]. The Chinese Journal of Nonferrous Metals, 2001, 11(4): 712–715. (in Chinese)Google Scholar
  11. [11]
    HU Yue-hua, XU Zhen-he. Role of crystal structure in flotation separation of dispore from koalinite, pyrophyllite and illite[J]. Minerals Engineering, 2003, 16: 219–227. (in Chinese)CrossRefGoogle Scholar
  12. [12]
    CAO Xue-feng, HU Yue-hua, JIANG Yi-ren. Flotation mechanism of aluminium silicate minerals with N-dodecyl-1, 3-diaminopropane[J]. The Chinese Journal of Nonferous Metals, 2001, 11(4): 696–700. (in Chinese)Google Scholar
  13. [13]
    WANG Qiu-xia, ZHANG Ke-ren, CHEN Guo-ming, et al. Countermeasures for bauxite resources’ exploitation and conservation in China[J]. Conservation and Utilization of Mineral Resources, 2001(3): 49–54. (in Chinese)Google Scholar
  14. [14]
    XU Zhen-he, PLITT V. Recent advances in reverse flotation of diasporic ores—A Chinese experience[J]. Minerals Engineering, 2004, 17: 1007–1015. (in Chinese)CrossRefGoogle Scholar
  15. [15]
    HU Yue-hua, JIANG Hao, QIU Guan-zhou, et al. Solution chemistry of flotation separation of diasporic bauxite[J]. The Chinese Journal of Nonferrous Metals, 2001, 11(1): 125–130. (in Chinese)Google Scholar
  16. [16]
    XU Shou-chang. Organic Chemistry[M]. Beijing: Higher Education Press, 1993. (in Chinese)Google Scholar

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© Central South University Press, Sole distributor outside Mainland China: Springer 2007

Authors and Affiliations

  • Zhao Sheng-gui  (赵声贵)
    • 1
    Email author
  • Zhong Hong  (钟 宏)
    • 1
  • Liu Guang-yi  (刘广义)
    • 1
  1. 1.School of Chemistry and Chemical EngineeringCentral South UniversityChangshaChina

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