Synthesis of Co-Silicalite-1 from a Layered Silicate

Younghee Ko; Myung Hun Kim; Sun Jin Kim; Young Sun Uh

Korean Journal of Chemical Engineering, Vol.18, No.3, 392-395, May, 2001

DOI10.1007/BF02699184 Export Citation

Synthesis of Co-Silicalite-1 from a Layered Silicate

Younghee Ko^{1, 2}, Myung Hun Kim¹, Sun Jin Kim¹, and Young Sun Uh^{1, †}

¹Division of Materials Science, Korea Institute of Science and Technology, P.O. Box 131,Cheongryang, Seoul 130-650, Korea
²Korea Institute of Ceramic Engineering and Technology, 233-5 Gasan-dong, Seoul 153-801, Korea

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Co-Silicalite-1 (Co(2.3)Si(93.7)O192) was synthesized from Co(2+) ion exchanged magadiite. The characteristics of Co-Silicalite-1 were investigated by using X-ray powder diffraction, IR spectroscopy, surface area measurement, NH3 temperature programmed desorption, and electron microprobe analysis. The measurements indicate that Co(2+) ions replace Si(4+) ions in the Silicalite-1 framework. The orthorhombic framework structure of calcined Co-Silicalite-1 has been determined.

Keywords:Silicalite-1;Cobalt Substitution;Layered Silicate;Magadiite;Acidity

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[1] Chapus T, Tuel A, Taarit YB, Naccache C, Zeolites, 14, 349 (1994)

[2] Cowan AD, Dumpelmann R, Cant NW, J. Catal., 151(2), 356 (1995)

[3] Hatsushika T, Imaizumi K, Suzuki T, Ohya H, Nippon Ion Kokan Gakkaishi, 7, 117 (1996)

[4] Hong SB, Uh YS, Woo SI, Lee JK, Korean J. Chem. Eng., 8(1), 1 (1991)

[5] Inui T, Kim JB, Takeguchi K, Zeolites, 17, 354 (1996)

[6] Inagaki S, Koiwai A, Suzuki N, Fukushima Y, Kuroda K, Bull. Chem. Soc. Jpn., 69, 1449 (1996)

[7] Ko YS, Ahn WS, Korean J. Chem. Eng., 15(2), 182 (1998)

[8] Ko YS, Ahn WS, Korean J. Chem. Eng., 15(4), 423 (1998)

[9] Kim YH, Kim MH, Hong SS, Korean J. Chem. Eng., 17(2), 241 (2000)

[10] Khouw CB, Davis ME, J. Catal., 151(1), 77 (1995)

[11] Marra GI, Tozzola G, Leofanti G, Petrini M, Genoni F, Venturelli B, Zecchina A, Bordiga S, Ricchiardi G, Stud. Surf. Sci. Catal., 84, 559 (1994)

[12] Mentzen BF, Sacerdote-Peronnet M, Mater. Res. Bull., 28, 1017 (1993)

[13] Mentzen BF, Mater. Res. Bull., 27, 831 (1992)

[14] Pal-Borbely G, Beyer HK, Kiyozumi Y, Mizukami F, Microporous Mater., 11, 45 (1997)

[15] Round CI, Willams CD, Duke CVA, Chem. Commun., 1849 (1997)

[16] Taramasso M, Perego G, Notari B, U.S. Patent, 4,410,501 (1983)

[17] Yangisawa T, Shimizu T, Kuroda K, Kato C, Bull. Chem. Soc. Jpn., 63, 988 (1990)

[18] Pal-Borbely G, Beyer HK, Kiyozumi Y, Mizukami F, Microporous Mesoporous Mater., 22, 57 (1998)