Synthesis of the [Ga]-MFI under Atmospheric Pressure

Jinu Park; Sang-Bum Kim; Jae-Mok Ha; Myung-Soo Kim; Hong-Soo Park; Hyun-Sik Hahm

Korean Journal of Chemical Engineering, Vol.18, No.4, 468-474, July, 2001

DOI10.1007/BF02698292 Export Citation

Synthesis of the [Ga]-MFI under Atmospheric Pressure

Jinu Park, Sang-Bum Kim, Jae-Mok Ha¹, Myung-Soo Kim , Hong-Soo Park , and Hyun-Sik Hahm^†

Department of Chemical Engineering, Myongji University, Yongin 449-728, Korea
¹Agency for Technology and Standards, Kwacheon 427-716, Korea

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The crystallization of the [Ga]-MFI was investigated as a function of synthesis time under atmospheric pressure. The molar composition of the reactants was 100SiO2-Ga2O3-11Na2O-11TPABr-3500H2O. The crystallinity of the [Ga]-MFI was examined by using several analytical instruments, such as XRD, XPS, XRF, FT-IR, solid-state mas-NMR, DTG/DTA, and SEM. The [Ga]-MFI was successfully synthesized under atmospheric pressure at 97 ℃ in 72 h. It was found that the nucleation of the [Ga]-MFI took a quite long time, but the crystallization took place very fast. It is supposed that nucleation is the rate-controlling step in the [Ga]-MFI synthesis under atmospheric pressure. Consequently, if the induction period of the nucleation can be shortened, it would be possible to synthesize the [Ga]-MFI commercially under atmospheric pressure.

Keywords:[Ga]-MFI;Gallosilicate;Atmospheric Pressure Synthesis;(71)Ga-mas-NMR

[References]

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Bayense CR, Van Hooff JHC, Kentquens APM, DeHaan JW, Van de Ven LJM, "The Removal of Gallium-71 MAS-NMR Spectroscopy," Proceedings of the 8th International Zeolite Conference, 105 (1989)
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Chiyoda Corp, Japan Patent, 05269385 (1993)
Choudhary VR, Kinage AK, Sivadinarayana C, Guisnet M, J. Catal., 158(1), 23 (1996)
Choudhary VR, Devadas P, Kinage AK, Sivadinarayana C, Guisnet M, J. Catal., 158(2), 537 (1996)
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Gabelica Z, Nagy JB, Debras G, J. Catal., 84, 256 (1983)
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[Referenced By]

[Related Articles]

[1] Argauer RJ, Landolt GR, U.S. Patent, 3,702,886 (1972)

[2] Bayense CR, Van Hooff JHC, Kentquens APM, DeHaan JW, Van de Ven LJM, "The Removal of Gallium-71 MAS-NMR Spectroscopy," Proceedings of the 8th International Zeolite Conference, 105 (1989)

[3] Bayense CR, van der Pol AJHP, van Hoff JHC, Appl. Catal. A: Gen., 72, 81 (1991)

[4] Brabec L, Jeschke M, Klik R, Novakova J, Kubelkova L, Freude D, Bosacek V, Meusinger J, Appl. Catal. A: Gen., 167(2), 309 (1998)

[5] Camblor MA, J. Zeolites, 12, 280 (1992)

[6] Chiyoda Corp, Japan Patent, 05269385 (1993)

[7] Choudhary VR, Kinage AK, Sivadinarayana C, Guisnet M, J. Catal., 158(1), 23 (1996)

[8] Choudhary VR, Devadas P, Kinage AK, Sivadinarayana C, Guisnet M, J. Catal., 158(2), 537 (1996)

[9] Choudhary VR, Kinage AK, Zeolites, 18, 274 (1997)

[10] Erdem A, Sand LB, J. Catal., 60, 241 (1979)

[11] Gabelica Z, Nagy JB, Debras G, J. Catal., 84, 256 (1983)

[12] Giannetto G, Monque R, Perez J, Garcia L, Zeolites, 13, 557 (1993)

[13] Giannetto G, Montes A, Gnep NS, Florentino A, Cartraud P, Guisnet M, J. Catal., 145(1), 86 (1994)

[14] Gnep NS, Doyemet JY, Guisnet M, Stud. Surf. Sci. Catal., 46, 153 (1989)

[15] Gnep NS, J. Mol. Catal., 45, 281 (1998)

[16] Guisnet M, Gnep NS, Alario F, Appl. Catal. A: Gen., 89, 1 (1992)

[17] Inui T, Makino Y, Okazumi F, Nagano S, Miyamoto A, Ind. Eng. Chem. Res., 26, 647 (1987)

[18] Kanai J, Kawata N, Appl. Catal. A: Gen., 55, 115 (1989)

[19] Khodakov AY, Kustov LM, Bondarenko TN, Dergachev A, Kazansky VB, Minachev KM, Borbely G, Beyer HK, Zeolites, 10, 603 (1990)

[20] Kim WG, Kim JH, Ahn BJ, Seo G, Korean J. Chem. Eng., 18(1), 120 (2001)

[21] Lee GD, Han TJ, Lee HI, Korean J. Chem. Eng., 3(1), 53 (1986)

[22] Lee KH, Ha BH, Korean J. Chem. Eng., 15(5), 533 (1998)

[23] Lin XS, Klinowski J, J. Phys. Chem., 96, 3403 (1992)

[24] Meriaudeau P, Naccache C, J. Mol. Catal., 59, L31 (1990)

[25] Mitsubishi Chem. Corp., Japan Patent, 09020706 (1997)

[26] Mobil Oil Corp., European Patent, 187496 (1986)

[27] Mobil Oil Corp., European Patent, 327189 (1989)

[28] Nagy JB, Bodart P, Derouane EG, Gebelica Z, Nastro A, "Role of Alkali and Tetrapropylammonium Cations in (M)ZSM-5 Hydrogel Precursors," Proceedings of the 7(th) International Zeolite Conference, 231 (1986)

[29] Oh HS, Kang KK, Kim MH, Rhee HK, Korean J. Chem. Eng., 18(1), 113 (2001)

[30] Shpiro ES, Shevchenko DP, Tkachenko OP, Dmitriev RV, Appl. Catal. A: Gen., 107(2), 147 (1994)

[31] Simmons DK, Szostok R, Agrawal PK, Thomas TL, J. Catal., 106, 287 (1987)

[32] Szostak R, "Molecular Sieve - Principles of Synthesis and Identification,", 197 (1988)

[33] Thomas JM, Liu XS, J. Phys. Chem., 90, 4843 (1986)

[34] Timken HKC, Oldfield E, J. Am. Chem. Soc., 109, 7669 (1987)

[35] Vaw ver Aluminium Werke Ag., DE4021118 (1992)

[36] Yakerson VI, Vasina TV, Lafer LI, Sytnyk VP, Dylch GL, Mokhov AV, Catal. Lett., 3, 339 (1989)