Russian Journal of Non-Ferrous Metals

, Volume 58, Issue 6, pp 600–607 | Cite as

Preparation of V2O5 from Ammonium Metavanadate via Microwave Intensification

  • Bingguo Liu
  • Jinhui Peng
  • Libo Zhang
  • Junwen Zhou
  • C. Srinivasakannan
Metallurgy of Rare and Noble Metals


Parameters of technique to prepare of V2O5 by microwave intensification from ammonium metavanadate were optimized using central composite design of response surface methodology. A quadratic equation model for decomposition rate was built and effects of main factors and their corresponding relationships were obtained. The microwave heating behavior indicated that ammonium metavanadate had weak capability to absorb microwave radiation, while V2O5 had good capability to absorb microwave radiation. The results of the statistical analysis showed that the decomposition rate of ammonium metavanadate was significantly affected by calcination temperature and calcination time in the range studied. The optimized conditions were as follows: calcination temperature 645.35 K, calcination time 9.66 min and 4.3 g, respectively. The decomposition rates of ammonium metavanadate were 99.13%, which coincided well with experiments values 99.33% under these conditions. These suggest that regressive equation fits the decomposition rates perfectly. XRD reveals that it is feasible to prepare the V2O5 by microwave intensification from ammonium metavanadate, which mixed with small amounts of V2O5.


response surface methodology ammonium metavanadate microwave intensification vanadium pentoxide rising behavior 


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Copyright information

© Allerton Press, Inc. 2017

Authors and Affiliations

  • Bingguo Liu
    • 1
    • 2
    • 3
  • Jinhui Peng
    • 1
    • 2
    • 3
  • Libo Zhang
    • 1
    • 2
    • 3
  • Junwen Zhou
    • 1
    • 2
    • 3
  • C. Srinivasakannan
    • 4
  1. 1.State Key Laboratory of Complex Nonferrous Metal Resources Clean UtilizationKunming University of Science and TechnologyKunmingChina
  2. 2.Faculty of Metallurgical and Energy EngineeringKunming University of Science and TechnologyKunmingChina
  3. 3.Key Laboratory of Unconventional Metallurgy, Ministry of EducationKunming University of Science and TechnologyKunmingChina
  4. 4.Chemical Engineering Departmentthe Petroleum InstituteAbudhabiUAE

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