Effect of metal content on the activity and product selectivity of n-decane hydroisomerization over Ni-Pd/HY zeolite

doi:10.1016/S1872-2067(16)62507-X

Abstract

Abstract:

Metal-loaded zeolite catalysts were synthesized and examined in the hydroisomerization of n-decane. Specifically, zeolite Y was impregnated with 0.1 wt% Pd and varying amounts of Ni (0.1-0.5 wt%). The crystallinity of the metal-loaded catalysts was characterized by X-ray diffraction, and the average metal particle size was determined by transmission electron microscopy. The states of Pd and Ni were identified by X-ray photoelectron spectroscopy. Ammonia tempera-ture-programmed desorption analysis revealed the occurrence of ion-exchange of some of the cata-lyst acid sites with Ni²⁺. The reducibility of the HY zeolite-supported Pd, Ni, and Pd-Ni catalysts was studied by temperature-programmed reduction. The hydroisomerization of n-decane over the pre-pared catalyst was conducted at 200-450℃ under 1 atm. Ni addition of up to 0.3 wt% over 0.1 wt% Pd/HY enhanced the n-decane conversion and isomerization product selectivity. The improved selectivity of the mono-and dibranched isomers suggested the occurrence of a protonated cyclo-propane intermediate mechanism. However, further Ni addition above 0.3 wt% considerably re-duced the activity and isomerization selectivity. The bimetallic catalysts were more selective toward the formation of dibranched isomers, i.e., those containing a higher octane number.

Key words: Hydroisomerization, n-Decane, Zeolite Y, Palladium, Impregnation method

Dhanapalan Karthikeyan, Raji Atchudan, Raji Sivakumar. Effect of metal content on the activity and product selectivity of n-decane hydroisomerization over Ni-Pd/HY zeolite[J]. Chinese Journal of Catalysis, 2016, 37(11): 1907-1917.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(16)62507-X

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References

[1] I. E. Maxwell, Catal. Today, 1987, 1, 385-413.
[2] S. V. Konnov, Y. V. Monakhova, E. E. Knyazeva, V. V. Yushchenko, O. A. Ponomareva, I. I. Ivanova, Pet. Chem., 2009, 49, 79-85.
[3] Z. Paal, in:G. J. Antos, A. M. Aitani, J. M. Parera, eds., Catalytic Naph-tha Reforming:Science and Technology, Marcel Dekker, New York, 1995, 19-44.
[4] G. C. Bond, Heterogeneous Catalysis:Principles and Applications, Oxford Science Publications, Oxford, 1986.
[5] Z. Paal, in:Z. Paal, P. G. Menon, eds., Hydrogen Effects in Catalysis:Fundamentals and Practical Applications, Dekker, New York, 1988, 449-497.
[6] K. B. Chi, Z. Zhao, Z. J. Tian, S. Hu, L. J. Yan, T. S. Li, B. C. Wang, X. B. Meng, S. P. Gao, M. W. Tan, Y. F. Liu, Petrol. Sci., 2013, 10, 242-250.
[7] F. Bauer, K. Ficht, M. Bertmer, W. D. Einicke, T. Kuchling, R. Gläser, Catal. Sci. Technol., 2014, 4, 4045-4054.
[8] I. E. Maxwell, W. H. J. Stork, Stud. Surf. Sci. Catal., 1991, 58, 571-630.
[9] S. W. Lee, S. K. Ihm, Ind. Eng. Chem. Res., 2013, 52, 15359-15365.
[10] Y. Yao, Y. J. Tian, H. H. Wu, S. X. Lu, Fuel Processing Technol., 2015, 133, 146-151.
[11] J. Zhao, G. G. Wang, L. H. Qin, H. Y. Li, Y. Chen, B. J. Liu, Catal. Com-mun., 2016, 73, 98-102.
[12] V. Hopkins, D. R. Wilson, Ind. Eng. Chem. Prod. Res. Dev., 1964, 3, 38-43.
[13] P. B. Weisz, Adv. Catal., 1962, 13, 137-190.
[14] N. Kasian, E. Verheyen, G. Vanbutsele, K. Houthoofd, T. I. Koranyi, J. A. Martens, C. E. A. Kirschhock, Microporous Mesoporous Mater., 2013, 166, 153-160.
[15] J. A. Martens, P. A. Jacobs, J. Weitkamp, Appl. Catal., 1986, 20, 239-281.
[16] J. A. Martens, P. A. Jacobs, J. Weitkamp, Appl. Catal., 1986, 20, 283-303.
[17] J. A. Martens, M. Tielen, P. A. Jacobs, Catal. Today, 1987, 1, 435-453.
[18] M. Guisnet, Catal. Today, 2013, 218, 123-134.
[19] A. S. Arifulin, A. B. Vol-Epshtein, A. A. Krichko, M. K. Yulin, Khimiya Tverdogo Topliva (Moscow, Russian Federation), 1976, (5), 122-126.
[20] J. A. Martens, J. Perez-Pariente, P. A. Jacobs, NATO ASI Series C Math. Phys. Sci., 1986, 165, 115-129.
[21] J. A. Martens, D. Verboekend, K. Thomas, G. Vanbutsele, J. P. Gilson, J. Pérez-Ramírez, ChemSusChem, 2013, 6, 421-425.
[22] J. A. Martens, D. Verboekend, K. Thomas, G. Vanbutsele, J. Pé-rez-Ramírez, J. P. Gilson, Catal. Today, 2013, 218, 135-142.
[23] F. Alvarez, F. R. Ribeiro, G. Perot, C. Thomazeau, M. Guisnet, J. Catal., 1996, 162, 179-189.
[24] G. D. Zakumbaeva, B. B. Tuktin, M. Z. Parmankulov, R. I. Egizbaeva, Eurasian Chem.-Technol. J., 2001, 3, 91-96.
[25] S. P. Elangovan, C. Bischof, M. Hartmann, Catal. Lett., 2002, 80, 35-40.
[26] Y. Rezgui, M. Guemini, Appl. Catal., 2005, 282, 45-53.
[27] F. Dorado, R. Romero, P. Canizares, Appl. Catal. A, 2002, 236, 235-243.
[28] P. Canizares, A. De Lucas, J. L. Valverde, F. Dorado, Ind. Eng. Chem. Res., 1997, 36, 4797-4808.
[29] M. M. J. Treacy, J. B. Higgins, Collection of Simulated XRD Powder Patterns for Zeolites, 4th ed., Elsevier, Amsterdam, 2001.
[30] G. Faherazzi, A. Benedetti, A. Martorans, S. Giuliano, D. Duca, G. De-ganello, Catal. Lett., 1990, 6, 263-269.
[31] B. D. Cullity, Elements of X-Ray Diffraction, 2nd ed., Addison-Wesley, New York, 1978.
[32] L. J. Leu, L. Y. Hou, B. C. Kang, C. Li, S. T. Wu, J. C. Wu, Appl. Catal. A, 1991, 69, 49-63.
[33] D. Karthikeyan, N. Lingappan, B. Sivasankar, N. John Jabarathinam, Appl. Catal. A, 2008, 345, 18-27.
[34] D. Karthikeyan, N. Lingappan, B. Sivasankar, Korean J. Chem. Eng., 2008, 25, 987-997.
[35] D. Karthikeyan, N. Lingappan, B. Sivasankar, N. J. Jabarathinam, Ind. Eng. Chem. Res., 2008, 47, 6538-6546.
[36] R. M. Jao, T. B. Lin, J. R. Chang, J. Catal., 1996, 161, 222-229.
[37] A. De Lucas, P. Sanchez, A. Funez, M. J. Ramos, J. L. Valverde, Ind. Eng. Chem. Res., 2006, 45, 8852-8859.
[38] P. Canizares, A. De Lucas, F. Dorado, A. Duran, I. Asencio, Appl. Catal. A, 1998, 169, 137-150.
[39] M. Suzuki, K. Tsutsumi, H. Takahashi, Y. Saito, Zeolites, 1989, 9, 98-103.
[40] J. S. Feeley, W. M. H. Sachlter, Zeolites, 1990, 10, 738-745.
[41] M. Suzuki, K. Tsutsumi, H. Takahashi, Zeolites, 1982, 2, 51-58.
[42] M. Narayana, J. Michalik, S. Contarini, L. Kevan, J. Phys. Chem., 1985, 89, 3895-3899.
[43] Ch. Minchev, V. Knazirev, L. Kosova, V. Pechev, W. Grunsser, F. Schimidt, in: L. V. C. Rees., eds., Proc. Fifth Int. Conf. on Zeolites, London, 1980, 335-340.
[44] S. Narayanan, Zeolites, 1984, 4, 231-234.
[45] S. Y. Xiao, Z. Y. Meng, J. Chem. Soc. Faraday Trans., 1994, 90, 2591-2595.
[46] M. D. Romero, A. De Lucas, J. A. Calles, A. Rodriguez, Appl. Catal., 1996, 146, 425-441.
[47] W. Zhang, P. G. Smirniotis, J. Catal., 1999, 182, 400-416.
[48] M. H. Jordao, V. Simoes, A. Montes, E. Cardoso, Stud. Surf. Sci. Catal., 2000, 130, 2387-2392.
[49] G. E. Giannetto, G. R. Perot, M. R. Guisnet, Ind. Eng. Chem. Prod. Res. Dev., 1986, 25, 481-490.
[50] P. N. Kuznetsov, J. Catal., 2003, 218, 12-23.
[51] M. Steijns, G. Froment, P. Jacobs, J. Uytterhoeven, J. Weitkamp, Ind. Eng. Chem. Prod. Res. Dev., 1981, 20, 654-660.
[52] J. Weitkamp, Ind. Eng. Chem. Prod. Res. Dev., 1982, 21, 550-558.
[53] J. A. Martens, P. A. Jacobs, in:J. B. Moffat, eds., Theoretical Aspects of Heterogeneous Catalysis, Van Nostrand Reinhold, New York, 1990, 52-109.
[54] P. Meriaudeau, V. A. Tuan, F. Lelebvre, V. T. Nghiem, C. Naccache, Microporous Mesoporous Mater., 1998, 22, 435-449.
[55] A. De Lucas, J. L. Valverde, P. Sanchez, F. Dorado, M. J. Ramos, Appl. Catal. A, 2005, 282, 15-24.
[56] C. Baerlocher, W. H. Meier, D. H. Olson, Atlas of Zeolite Framework Types, 5th ed., Elsevier, Amsterdam, 2001.
[57] D. M. Brouwer, in:R. Prins, G. C. A. Schuit eds., Chemistry and Chem-ical Engineering of Catalytic Processes, Sijthoff and Noordhoff, Ger-mantown, MD, 1980, 137-160.