Chemistry Journal of Moldova

V2O5 NANOPARTICLES FOR DYES REMOVAL FROM WATER

Author(s):

Thamer Adnan Abdullah, Tatjana Juzsakova, Rashed Taleb Rasheed, Ali Dawood Salman, Mohammademad Adelikhah, Le Phuoc Cuong, Igor Cretescu


Field: Physical chemistry and chemical physics
Type: Research paper
Issue: 2021 Volume 16, no.2
Pages: 102-111
Keywords:

hydrothermal method, annealed vanadium pentoxide, methylene blue adsorption, nanoparticle.


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DOI: http://dx.doi.org/10.19261/cjm.2021.911
 
Abstract (PDF)
Graphical Abstract:
This paper deals with V2O5 nanoparticles adsorbents which were obtained by thermal pretreatment carried out by increasing the temperature between 90 and 750°C. In order to obtain more detailed information on the surface chemistry of the newly prepared nanoparticles, the characterisation was done by X-ray diffraction and scanning electron microscopy, Fourier Transform infrared spectroscopy and thermogravimetric investigation technique. The prepared nanoparticles were tested for methylene blue (MB) removal from modelled water solutions. The obtained results indicated that increased MB removal efficiency (93%) and adsorption capacity (27 mg/g) after 40 minutes of adsorption were obtained for V2O5 annealed at 500°C.  The applicability and suitability of the two kinetic models were tested and the removal mechanism was proposed.
 


 

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