Catalysis Letters

, Volume 149, Issue 2, pp 507–512 | Cite as

Catalytic Decomposition of Dichlorodifluoromethane (CFC-12) Over MgO/ZrO2 Solid Base Catalyst

  • Guoqing Ren
  • Lijuan Jia
  • Guangqin Zhao
  • Tong Zhou
  • Xin Yang
  • Rui Li
  • Yu Chang
  • Tiancheng LiuEmail author


MgO/ZrO2 solid base catalyst was prepared by co-precipitation method. The effects of hydrolysis temperature, water vapor concentration, total flow rate and calcination temperature of the catalyst on the decomposition rate of dichlorodifluoromethane (CFC-12) were studied. The results showed that the decomposition rate of CFC-12 could reach 98.90% by using MgO/ZrO2 solid base as the catalyst at a hydrolysis temperature of 400 °C, a water vapor concentration of 25%, a total flow rate of 5 mL/min and a calcination temperature of 700 °C. The XRD characterization of the catalyst under different calcination temperature showed that the MgO/ZrO2 catalyst was a solid solution. The products were tested by ion chromatography, SEM and EDS and finding that the decomposition products were main HCl, HF and CO2.

Graphical Abstract


MgO/ZrO2 Solid base catalyst CFC-12 Decomposition rate 



This work was financially supported by the National Natural Science Foundation of China (51568068). Yunnan Minzu University is gratefully acknowledged for providing us with the facilities for the ion chromatography and the scanning electron microscopic study.

Compliance with Ethical Standards

Conflict of interest

There are no conflicts of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Guoqing Ren
    • 1
  • Lijuan Jia
    • 1
  • Guangqin Zhao
    • 1
  • Tong Zhou
    • 1
  • Xin Yang
    • 1
  • Rui Li
    • 1
  • Yu Chang
    • 2
  • Tiancheng Liu
    • 1
    Email author
  1. 1.College of Chemistry and Environment, Joint Research Centre for International Cross-Border Ethnic Regions Biomass Clean UtilizationYunnan Minzu UniversityYunnanPeople’s Republic of China
  2. 2.Yunnan Technician CollegeKunmingPeople’s Republic of China

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