H3PW12O40/SiO2 for sorbitol dehydration to isosorbide: High efficient and reusable solid acid catalyst

Peng Sun; Ding Hua Yu; Yi Hu; Zhen Chen Tang; Jiao Jiao Xia; Heng Li; He Huang

Korean Journal of Chemical Engineering, Vol.28, No.1, 99-105, January, 2011

DOI10.1007/s11814-010-0324-2 Export Citation

H3PW12O40/SiO2 for sorbitol dehydration to isosorbide: High efficient and reusable solid acid catalyst

Peng Sun¹, Ding Hua Yu^{1, 2}, Yi Hu^{1, 2}, Zhen Chen Tang², Jiao Jiao Xia², Heng Li¹, and He Huang^{1, 2, †}

¹College of Biotechnology and Pharmaceutical Engineering, Nanjing University of Technology, Nanjing 210009, China
²State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China

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Tungstophosphoric acids (PW) supported on various metal oxides (SiO2, γ-Al2O3, TiO2, ZrO2 and CeO2) were synthesized and used as catalysts for sorbitol dehydration to isosorbide for the first time. 30% PW/SiO2 exhibited the best catalytic performance for sorbitol dehydration, over which 56% isosorbide selectivity could be gained at a 95% sorbitol conversion at 250 ℃. The catalytic performance of regenerated 30% PW/SiO2 catalysts by dichloromethane elution showed no loss after recycling five runs. Characterizations with UV-Vis, XRD, NH3-TPD and thermal analysis techniques revealed that PW had a good dispersion, and the primary Keggin structure was preserved after supporting PW on different supports. The interaction between PW and oxides resulted in different acidity of catalysts, which affected conversion of sorbitol and selectivity for isosorbide. The final acidity order of supported PW catalysts was the following: SiO2>γ-Al2O3 >TiO2≠ZrO2>CeO2.

Keywords:Tungstophosphoric Acid;Sorbitol;Isosorbide;Dehydration;Regeneration

[References]

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[Referenced By]

[1] Gohil RM, Polym. Eng. Sci., 49(3), 544 (2009)

[2] Kricheldorf HR, Behnken G, Sell M, J. Macromol. Sci., Pure Appl. Chem., 44, 679 (2007)

[3] Chatti S, Kricheldorf HR, J. Macromol. Sci., Pure Appl. Chem., 43, 967 (2006)

[4] Chatti S, Bortolussi M, Loupy A, Blais JC, Bogdal D, Majdoub M, Eur. Polym. J., 38, 1851 (2002)

[5] Kricheldorf HR, Polym. Rev., 37, 599 (1997)

[6] Bhatia KK, US Patent, 6,407,266 (2002)

[7] Hartmann LA, US Patent, 3,484,459 (1969)

[8] Wilson K, Clark JH, Pure Appl. Chem., 72, 1313 (2000)

[9] Misono M, Chem. Commun., 13, 1141 (2001)

[10] Varisli D, Dogu T, Dogu G, Chem. Eng. Sci., 62(18-20), 5349 (2007)

[11] Park DR, Hong UG, Song SH, Seo JG, Baeck SH, Chung JS, Song IK, Korean J. Chem. Eng., 27(2), 465 (2010)

[12] Soeda H, Okuhara T, Misono M, Chem. Lett., 23, 909 (1994)

[13] HWANG CY, KWAK JW, LEE WY, LEE HI, Korean J. Chem. Eng., 3(1), 31 (1986)

[14] Sawant DP, Vinu A, Justus J, Srinivasu P, Halligudi SB, J. Mol. Catal. A-Chem., 276(1-2), 150 (2007)

[15] Guo X, Huang C, Chen B, Korean J. Chem. Eng., 25(4), 675 (2008)

[16] Kozhevnikov IV, Chem. Rev., 98(1), 171 (1998)

[17] Chen FR, Coudurier G, Joly JF, Vedrine JC, J. Catal., 143, 616 (1993)

[18] Rao PM, Wolfson A, Kababya S, Vega S, Landau MV, J. Catal., 232(1), 210 (2005)

[19] Pizzio LR, Caceres CV, Blanco MN, Appl. Catal. A: Gen., 167(2), 283 (1998)