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SELECTIVE GAS PHASE OXIDATION OF MONOCHLOROTOLUENES OVER MODIFIED OXOVANADIUM SYSTEMS SUPPORTED ON Al2O3 AND SiO2

Year 2016, Volume: 3 Issue: 3, 597 - 606, 08.01.2017
https://doi.org/10.18596/jotcsa.07999

Abstract

V-Mo-O/SiO2 materials were prepared by the impregnation techniques and characterized by Scanning Electron Microscopy (SEM), FT-IR, Thermal analysis, N2 adsorption/desorption and X-ray powder diffraction (XRD) to determine the phase structure and loadings of vanadium species. This material was tested for solvent-free catalytic oxidation of monochlorotoluene under chosen conditions. The result shows that V-Mo-O/SiO2 is effective catalysts, exhibiting conversion of monochlorotoluene and selectivity monochloromaleic anhydride 75–85%, 24–32% respectively. Furthermore, the catalyst can be easily recovered and reused for 20-25 hours without a significant loss in its activity and selectivity. The oxidation rate and direction determined by the temperature (315-4500C), proportions between the reagents (1:1–1:15 mol/l), bond dissociation energies, the effects of active components of catalyst and contact time. 

References

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Year 2016, Volume: 3 Issue: 3, 597 - 606, 08.01.2017
https://doi.org/10.18596/jotcsa.07999

Abstract

References

  • Əfəndi A.C.,Salehli N.F., Məlikova İ.H., Manafov M.R., Əliyeva T.S., Şahtaxtinski T,N. o-Dixlorbenzolun oksid katalizatorları üzərində oksidləşmə reaksiyalarının tədqiqi. //Azərb. kim. J.2004. № 3. P.13–17.
  • Babayev E.M., Afandi A.C., Aykhan N., Ismayilova B.A. // Oxidation reactions of chloro benzene and chloro toluene in the presence of oxide catalysts. Baku World Forum of Young Scientists 2014. Collection of abstracts. 2014. P. 143–145.
  • Reddy BM, Rao KN, Reddy GK, Bharali P. Characterization and catalytic activity of V2O5/Al2O3-TiO2 for selective oxidation of 4-methylanisole. Journal of Molecular Catalysis A: Chemical. 2006 Jul;253(1–2):44–51.
  • Babayev E.M., Efendi A.C., Yunisova F.A., Aykan N.F. Catalytic Activity of Oxovanadium Catalysts Supported SiO2 or Al2O3 in the Selective Oxidation of p- Chlorotoluene // J.Environ Sci. Comput. Eng. Technol. 2016. V. 5. No. 2. P. 017–022.
  • Yang SC, Wang JQ. Catalytic Oxidation of o-chlorotoluene to o-chlorobenzaldehyde by Vanadium Doped Anatase Mesoporous TiO<sub>2</sub> Advanced Materials Research. 2013 Sep;781–784:182–5. DOI: 10.4028/www.scientific.net/AMR.781-784.182.
  • Martra G, Arena F, Coluccia S, Frusteri F, Parmaliana A. Factors controlling the selectivity of V2O5 supported catalysts in the oxidative dehydrogenation of propane. Catalysis Today. 2000 Dec;63(2–4):197–207.
  • Ferreira M., Volpe M. A combined theoretical and experimental study of supported vanadium oxide catalysts. Journal of Molecular Catalysis A: Chemical. 2002 Jun;184(1–2):349–60.
  • Wachs IE, Chen Y, Jehng J-M, Briand LE, Tanaka T. Molecular structure and reactivity of the Group V metal oxides. Catalysis Today. 2003 Feb;78(1–4):13–24.
  • Zhou W-F, Chen L, Xie J, Au C-T, Yin S-F. Efficient synthesis of p-chlorobenzaldehyde through liquid-phase oxidation of p-chlorotoluene using manganese-containing ZSM-5 as catalyst. RSC Adv. 2015;5(91):74162–9.
There are 9 citations in total.

Details

Journal Section Articles
Authors

Elmir Magsad Babayev This is me

Arif Javanshir Efendi This is me

Fakhriyya Mashallah Nasiri This is me

Bilqeyis Adil İsmayilova This is me

Firuza Alasgar Yunisova This is me

Publication Date January 8, 2017
Submission Date July 3, 2016
Published in Issue Year 2016 Volume: 3 Issue: 3

Cite

Vancouver Babayev EM, Efendi AJ, Nasiri FM, İsmayilova BA, Yunisova FA. SELECTIVE GAS PHASE OXIDATION OF MONOCHLOROTOLUENES OVER MODIFIED OXOVANADIUM SYSTEMS SUPPORTED ON Al2O3 AND SiO2. JOTCSA. 2017;3(3):597-606.