JOURNAL OF CHILEAN CHEMICAL SOCIETY

Vol 62 No 1 (2017): Journal of the Chilean Chemical Society
Original Research Papers

IMPROVE THE CATALYTIC ACTIVITY OF FEOOH/BENTONITE MATERIAL BY MECHANICAL ACTIVATION

Guangtao Wei
School of Chemistry and Chemical Engineering, Guangxi University
Zhongmin Li
School of Chemistry and Chemical Engineering, Guangxi University Department of Chemical Engineering, University of Waterloo
Linye Zhang
School of Chemistry and Chemical Engineering, Guangxi University
Yue Deng
School of Chemistry and Chemical Engineering, Guangxi University
Luhua Shao
School of Chemistry and Chemical Engineering, Guangxi University
Zihan Liu
School of Chemistry and Chemical Engineering, Guangxi University
Published June 5, 2017
Keywords
  • Mechanical activation,
  • Bentonite,
  • α-FeOOH,
  • Fenton-like,
  • Catalytic activity
How to Cite
Wei, G., Li, Z., Zhang, L., Deng, Y., Shao, L., & Liu, Z. (2017). IMPROVE THE CATALYTIC ACTIVITY OF FEOOH/BENTONITE MATERIAL BY MECHANICAL ACTIVATION. Journal of the Chilean Chemical Society, 62(1). Retrieved from https://jcchems.com/index.php/JCCHEMS/article/view/159

Abstract

To improve the catalytic activity of FeOOH/bentonite material used in Fenton-like process, the activation of FeOOH/bentonite by mechanical activation was studied. The optimum conditions for activation of FeOOH/bentonite were as follows: filling ratio of grinding medium 30%, “15 mL of D06 balls plus 15 mL of D10 balls” as combination mode of grinding medium, rotation speed of planet carrier 600 rpm, milling time 40 min, and powder-to-ball ratio 0.5:30 (g·mL-1). The mechanical activation was an effective method to improve the catalytic activity of FeOOH/bentonite. Both the lattice distortion and crystal size decrease happened in α-FeOOH and the change of layer structure of bentonite were contributed to the increase of catalytic activity of activated FeOOH/bentonite. 

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