A Study on the Effect of Support on the Catalytic Activity of OMS-2 for Oxidation of Toluene in Gas Phase
Main Article Content
Abstract
In this study, the complete oxidation of an aromatic hydrocarbon compound such as toluene into carbon dioxide and water was carried out in a continuous fixed bed reactor. OMS-2 material synthesized by the refluxing method was used as the catalyst. To reduce the cost of the catalyst, various support materials were employed for supporting the OMS-2 catalyst. The effects of supports (i.e., bentonite, kaolinite, and alumina) and their contents on the catalytic activity of OMS-2 for the oxidation of toluene were investigated. Among the supports, bentonite with Al:Si ratio of 1:2 was the best material with the lowest temperature that reached 100% of toluene conversion at 260 °C. Therefore, 20% OMS-2/bentonite could be a suitable catalyst with high efficiency but low cost for catalytic oxidation of toluene and other organic compounds in the gas phase.
Keywords
OMS-2, kaolinite, bentonite, alumina, toluene, catalytic oxidation
Article Details
References
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[19] L.C. Loc, N.T. Trang, N.K. Dung, and D.T.N. Yen (2002), Effect of steam on the complete oxidation of p-xylene on metal oxide catalyst systems, Proceedings of Scientific and Technological Research Works (original text in Vietnamese).
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[23] N.T.B. Thao and N.N. Huy, Thermal oxidation of carbon monoxide in air using various self-prepared catalysts, Science & Technology Development Journal-Engineering and Technology, 2 (2019), SI31-SI39. https://doi.org/10.32508/stdjet.v2iSI2.469
[24] N.H. Nguyen, B.T. Nguyen Thi, T.G. Nguyen Le, Q.A. Nguyen Thi, P.T. Phan, L.G. Bach, and T.T. Nguyen, Enhancing the activity and stability of CuO/OMS-2 catalyst for CO oxidation at low temperature by modification with metal oxides, International Journal of Chemical Engineering, 2020 (2020), 8827995. https://doi.org/10.1155/2020/8827995
[25] S.W. Moon, G.-D. Lee, S.S. Park, S.-S. Hong, Catalytic combustion of chlorobenzene over supported metal oxide catalysts, J. Ind. Eng. Chem., 10 (2004), 661-666.
[2] M.J. Patterson, D.E. Angove, N.W. Cant, The effect of carbon monoxide on the oxidation of four C6 to C8 hydrocarbons over platinum, palladium and rhodium, Appl. Catal., B, 26 (2000), 47-57. https://doi.org/10.1016/S0926-3373(00)00110-7
[3] H.T. Gomes, J.L. Figueiredo, J.L. Faria, Catalytic wet air oxidation of low molecular weight carboxylic acids using a carbon supported platinum catalyst, Appl. Catal., B, 27 (2000), L217-L223. https://doi.org/10.1016/S0926-3373(00)00162-4
[4] J. González-Velasco, R. López-Fonseca, A. Aranzabal, J. Gutiérrez-Ortiz, P. Steltenpohl, Evaluation of H-type zeolites in the destructive oxidation of chlorinated volatile organic compounds, Appl. Catal., B, 24 (2000), 233-242. https://doi.org/10.1016/S0926-3373(99)00105-8
[5] D. Yu, Y. Liu, and Z. Wu, Low-temperature catalytic oxidation of toluene over mesoporous MnOx–CeO2/TiO2 prepared by sol–gel method, Catal Commun, 11 (2010), 788-791. https://doi.org/10.1016/j.catcom.2010.02.016
[6] P.T. Son and N.T. Binh (2011), Synthesis and study on catalytic activity of CeO2-Fe2O3 for toluene oxidation reaction, Master thesis, VNU University of Science, Hanoi (original text in Vietnamese).
[7] V.T.B. Le (2011), Study on synthesis of TiO2 catalyst on mesoporous SBA-16 material for toluene oxidation reaction, Master thesis, University of Danang, Danang (original text in Vietnamese).
[8] S.M. Saqer, D.I. Kondarides, X.E. Verykios, Catalytic oxidation of toluene over binary mixtures of copper, manganese and cerium oxides supported on γ-Al2O3, Appl. Catal., B, 103 (2011), 275-286. https://doi.org/10.1016/j.apcatb.2011.01.001
[9] H. Sun, S. Chen, P. Wang, X. Quan, Catalytic oxidation of toluene over manganese oxide octahedral molecular sieves (OMS-2) synthesized by different methods, Chem. Eng. J., 178 (2011), 191-196. https://doi.org/10.1016/j.cej.2011.10.047
[10] H. Sun, Z. Liu, S. Chen, and X. Quan, The role of lattice oxygen on the activity and selectivity of the OMS-2 catalyst for the total oxidation of toluene, Chem. Eng. J., 270 (2015), 58-65. https://doi.org/10.1016/j.cej.2015.02.017
[11] J. Luo, Q. Zhang, A. Huang, S.L. Suib, Total oxidation of volatile organic compounds with hydrophobic cryptomelane-type octahedral molecular sieves, Micropor. Mesopor. Mat., 35 (2000), 209-217. https://doi.org/10.1016/S1387-1811(99)00221-8
[12] C.-l. O'young, S.L. Suib, Octahedral molecular sieve possessing (4× 4) tunnel structure and method of its production, Google Patents, 1996.
[13] R.N. DeGuzman, Y.-F. Shen, E.J. Neth, S.L. Suib, C.-L. O'Young, S. Levine, J.M. Newsam, Synthesis and characterization of octahedral molecular sieves (OMS-2) having the hollandite structure, Chem. Mater., 6 (1994), 815-821. https://doi.org/10.1021/cm00042a019
[14] X. Wang, M. Li, C. Zhang, L. Fan, X. Niu, Y. Zhu, Formation of hierarchical pore structure OMS-2 by etching with H2C2O4 and its excellent catalytic performance for toluene oxidation: Enhanced lattice oxygen activity, Micropor. Mesopor. Mat., 324 (2021), 111301. https://doi.org/10.1016/j.micromeso.2021.111301
[15] C.Kaewbuddee,P.Chirawatkul,K. Kamonsuangkasem, N. Chanlek, K. Wantala, Structural characterizations of copper incorporated manganese oxide OMS-2 material and its efficiencies on toluene oxidation, Chem. Eng. Commun., (2021), 1-17. https://doi.org/10.1080/00986445.2021.1872021
[16] D.S. Pisal, G.D. Yadav, Synthesis of salicylaldehyde through oxidation of o-cresol: Evaluation of activity and selectivity of different metals supported on OMS2 nanorods and kinetics, Molecular Catalysis, 491 (2020), 110991. https://doi.org/10.1016/j.mcat.2020.110991
[17] Z. Sihaib, F. Puleo, J.M. Garcia-Vargas, L. Retailleau, C. Descorme, L.F. Liotta, J.L. Valverde, S. Gil, A. Giroir-Fendler, Manganese oxide-based catalysts for toluene oxidation, Appl. Catal., B, 209 (2017), 689-700. https://doi.org/10.1016/j.apcatb.2017.03.042
[18] J.E. Colman-Lerner, M.A. Peluso, J.E. Sambeth, and H.J. Thomas, Volatile organic compound removal over bentonite-supported Pt, Mn and Pt/Mn monolithic catalysts, Reaction Kinetics, Mechanisms and Catalysis, 108 (2013), 443-458. https://doi.org/10.1007/s11144-012-0525-2
[19] L.C. Loc, N.T. Trang, N.K. Dung, and D.T.N. Yen (2002), Effect of steam on the complete oxidation of p-xylene on metal oxide catalyst systems, Proceedings of Scientific and Technological Research Works (original text in Vietnamese).
[20] N.H. Phu (1998), Adsorption and catalysis on the surface of porous inorganic materials, Science and Technics Publishing House, Hanoi (original text in Vietnamese).
[21] T.T.T. Mai (2005), Study on complete oxidation reactions of aromatic compounds, Master thesis, Ho Chi Minh City University of Technology - VNUHCM, Ho Chi Minh City (original text in Vietnamese).
[22] N.T.Q. Anh and N.T. Thanh, Binary copper and manganese oxide nanoparticle supported OMS-2 for enhancing activity and stability toward CO oxidation reaction at low temperature, Vietnam Journal of Science and Technology, 56 (2018), 741. https://doi.org/10.15625/2525-2518/56/6/13067
[23] N.T.B. Thao and N.N. Huy, Thermal oxidation of carbon monoxide in air using various self-prepared catalysts, Science & Technology Development Journal-Engineering and Technology, 2 (2019), SI31-SI39. https://doi.org/10.32508/stdjet.v2iSI2.469
[24] N.H. Nguyen, B.T. Nguyen Thi, T.G. Nguyen Le, Q.A. Nguyen Thi, P.T. Phan, L.G. Bach, and T.T. Nguyen, Enhancing the activity and stability of CuO/OMS-2 catalyst for CO oxidation at low temperature by modification with metal oxides, International Journal of Chemical Engineering, 2020 (2020), 8827995. https://doi.org/10.1155/2020/8827995
[25] S.W. Moon, G.-D. Lee, S.S. Park, S.-S. Hong, Catalytic combustion of chlorobenzene over supported metal oxide catalysts, J. Ind. Eng. Chem., 10 (2004), 661-666.