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Effect of calcination on the adsorption of Chifeng zeolite on Pb2+ and Cu2+
[Competitive adslkorption of malachite green and pb ions on natural zeolite]

Author

Listed:
  • Xiaolong Chen
  • Jieshi Tao
  • Pengliang Sun
  • Fujia Yu
  • Bin Li
  • Linan Dun

Abstract

As an important non-metallic mineral resource, zeolite is widely used in many fields. In this paper, natural zeolite from Chifeng, Inner Mongolia, was selected as the experimental material, and the calcination effect of the sample was studied in detail. The zeolite sample undergoes complex changes during the calcination process. The higher the calcination temperature, the smaller the specific surface area of the sample. When calcined at 150°C for 1 h, zeolite samples with granularity ranging from 0.050 to 0.075 mm show relatively good removal of Cu2+ and Pb2+from aqueous solution. After the zeolite is calcined, the solution with an initial concentration of 100 mg/l of heavy metal ions can reduce the concentration of Pb2+ and Cu2+ to 25 mg/l and 60 mg/l, respectively, with a removal rate of 75% and 40%. In addition, this article also focuses on its removal mechanism.

Suggested Citation

  • Xiaolong Chen & Jieshi Tao & Pengliang Sun & Fujia Yu & Bin Li & Linan Dun, 2022. "Effect of calcination on the adsorption of Chifeng zeolite on Pb2+ and Cu2+ [Competitive adslkorption of malachite green and pb ions on natural zeolite]," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 17, pages 462-468.
    • Handle: RePEc:oup:ijlctc:v:17:y:2022:i::p:462-468.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctac006
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