Nanometric Pd-confined mesoporous silica as high-efficient catalyst for toluene low temperature removal: Effects of support morphology and textural property

Chi He; Xinyan Zhang; Shaokai Gao; Jinsheng Chen; Zhengping Hao

Journal of Industrial and Engineering Chemistry, Vol.18, No.5, 1598-1605, September, 2012

DOI10.1016/j.jiec.2012.02.021 Export Citation

Nanometric Pd-confined mesoporous silica as high-efficient catalyst for toluene low temperature removal: Effects of support morphology and textural property

Chi He, Xinyan Zhang¹, Shaokai Gao², Jinsheng Chen^†, and Zhengping Hao^{1, †}

Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China
¹Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
²Lab of Combustion Kinetics, Department of Aerospace and Mechanical Engineering, University of Southern California, Los Angeles, CA 90089, United States, USA

E-mail:,

Mesoporous silica supported catalysts with highly dispersed Pd particles located in their pore channels were synthesized via a novel and simple two-solvents approach. It is found that the support morphology has significant effect on active phase dispersion. Both the pore diameter and pore length of the silica hosts are critical for the catalytic performances of prepared catalysts. Catalyst with plateletlike morphology (Pd/S-P) shows the highest catalytic activity with 90% toluene conversion at 192 ℃. The catalytic performances of the synthesized catalysts are closely correlated with Pd dispersion, CO2 desorption capability, pore diameter and pore length of the host materials.

Keywords:Mesoporous silica;Pd-confined;Two-solvents approach;Morphology effect;Catalytic oxidation;VOCs

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[Referenced By]

[1] Kwon SH, Cho DC, J. Ind. Eng. Chem., 15(1), 129 (2009)

[2] Garcia T, Agouram S, Sanchez-Royo JF, Murillo R, Mastral AM, Aranda A, Vazquez I, Dejoz A, Solsona B, Appl. Catal. A: Gen., 386(1-2), 16 (2010)

[3] Wong CT, Abdullah AZ, Bhatia S, J. Hazard. Mater., 157(2-3), 480 (2008)

[4] Xia YS, Dai HX, Jiang HY, Deng JG, He H, Au CT, Environ. Sci. Technol., 43, 8355 (2009)

[5] Bedia J, Rosas JM, Rodriguez-Mirasol J, Cordero T, Appl. Catal. B: Environ., 94(1-2), 8 (2010)

[6] Zuo SF, Huang QQ, Zhou RX, Catal. Today., 139, 88 (2008)

[7] Karimi B, Abedi S, Clark JH, Budarin V, Angew. Chem. Int. Ed., 45, 4776 (2006)

[8] Zhao DY, Sun JY, Li QZ, Stucky GD, Chem. Mater., 12, 275 (2000)

[9] Kubo S, Kosuge K, Langmuir, 23(23), 11761 (2007)

[10] Wang LN, Qi T, Zhang Y, Chu JL, Microporous Mesoporous Mater., 91, 156 (2006)

[11] Chen SY, Tang CY, Chuang WT, Lee JJ, Tsai YL, Chan JCC, Lin CY, Liu YC, Cheng S, Chem. Mater., 20, 3906 (2008)

[12] Yu CZ, Fan J, Tian BZ, Zhao DY, Stucky GD, Adv. Mater., 14(23), 1742 (2002)

[13] Chou J, Zhang S, Sun S, McFarland EW, Angew. Chem. Int. Ed., 44, 4735 (2005)

[14] Rolison DR, Science., 299, 1698 (2003)

[15] Grunwaldt JD, Vegten NV, Baiker A, Chem. Commun., 4635 (2007)

[16] Park JN, Forman AJ, Tang W, Cheng JH, Hu YS, Lin HF, McFarland EW, Small., 10, 1694 (2008)

[17] Wang ZJ, Xie YB, Liu CJ, J. Phys. Chem. C., 112, 19818 (2008)

[18] Lin DH, Jiang YX, Wang Y, Sun SG, J. Nanomater., 2008, 1 (2008)

[19] He C, Li P, Wang HL, Cheng J, Zhang XY, Wang YF, Hao ZP, J. Hazard. Mater., 181(1-3), 996 (2010)

[20] He C, Li JJ, Cheng J, Li LD, Li P, Hao ZP, Xu ZP, Ind. Eng. Chem. Res., 48(15), 6930 (2009)

[21] Pham-Huu C, Keller N, Estourne` s C, Ehret G, Ledoux MJ, Chem. Commun., 1882 (2002)

[22] Imperor-Clerc M, Bazin D, Appay MD, Beaunier P, Davidson A, Chem. Mater., 16, 1813 (2004)

[23] Mahata N, Vishwanathan V, J. Catal., 196(2), 262 (2000)

[24] Li JJ, Zheng J, Hao ZP, Xu XY, Zhuang YH, J. Mol. Catal. A-Chem., 225(2), 173 (2005)

[25] Colilla M, Balas F, Manzano M, Vallet-Regi M, Chem. Mater., 19, 3099 (2007)

[26] Sing KSW, Everett DH, Haul RAW, Moscou L, Pierotti RA, Rouque´ rol J, Siemieniewska T, Pure Appl. Chem., 57, 603 (1985)

[27] Feio LS, Escritori JC, Noronha FB, Hori CE, Catal. Lett., 120(3-4), 229 (2008)

[28] Tidahy HL, Hosseni M, Siffert S, Cousin R, Lamonier JF, Aboukaı¨s A, Su BL, Giraudon JM, Leclerq G, Catal. Today., 137, 335 (2008)

[29] Sangeetha P, Shanthi K, Rao KSR, Viswanathan B, Selvam P, Appl. Catal. A: Gen., 353(2), 160 (2009)

[30] Nag NK, J. Phys. Chem. B, 105(25), 5945 (2001)

[31] Gennequin C, Lamallem M, Cousin R, Siffert S, Idakiev V, Tabakova T, Aboukais A, Su BL, J. Mater. Sci., 44(24), 6654 (2009)

[32] Uchisawa J, Kosuge K, Nanba T, Masukawa S, Obuchi A, Catal. Lett., 133(3-4), 314 (2009)

[33] Hosseini M, Siffert S, Tidahy HL, Cousin R, Lamonier JF, Aboukais A, Vantomme A, Roussel M, Su BL, Catal. Today, 122(3-4), 391 (2007)

[34] Li P, He C, Cheng J, Ma CY, Dou BJ, Hao ZP, Appl. Catal. B: Environ., 101(3-4), 570 (2011)

[35] Giraudon JM, Elhachimi A, Wyrwalski F, Siffert S, Aboukais A, Lamonier JF, Leclercq G, Appl. Catal. B: Environ., 75(3-4), 157 (2007)