Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks

ÇULFAZ, Ali; KALIPÇILAR, Halil

Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks

Halil KALIPÇILAR, (Orta Doğu Teknik Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümü, Ankara, Türkiye)

Ali ÇULFAZ (Orta Doğu Teknik Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümü, Ankara, Türkiye)

Turkish Journal of Chemistry

2 0

Yıl: 2007 Cilt: 31 Sayı: 2 Sayfa Aralığı: 233 - 242 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks

Öz:

ZSM-5 crystals were synthesized from template-free batches on macroporous a-alumina disks. The SiO2/Al2O3 ratio of the synthesis gel influenced the crystal morphology, surface coverage and intergrowth among the crystals. Prismatic ZSM-5 crystals covered the disk surface when the SiO2/Al2O3 ratio of the batch was higher than 100, whereas spherical polycrystalline particles of ZSM-5 were obtained from batches with a SiO2/Al2O3 ratio of 80. Mordenite type zeolite was formed on the disk surface due to the incorporation of alumina dissolved from the disk when the time of crystallization was extended. The effects of silica source and seeding of the support surface with 0.3 and 2 $mu m$ ZSM-5 crystals on the morphology of zeolite layer were also investigated. The purity, surface coverage and SiO2/Al2O3 ratio of ZSM-5 crystals increased in the order of silica sol containing methanol, silica sol, and silicic acid. Seeding decreased the length of prismatic ZSM-5 crystals from 45 $mu m$ 10 $mu m$ and increased the surface coverage.

Anahtar Kelime:

Konular: Mühendislik, Kimya

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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2. H. Kalıpçılar and A. Çulfaz, Micropor. Mesopor. Mater. 52, 39-54 (2002).
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18. F.Y. Dai, M. Suzuki, H. Takahashi and Y. Saito “Crystallization of Pentasil Zeolite in the Absence of Organic Templates” in Zeolite Synthesis, ACS Symp. Series, Vol. 398, eds. M.L. Occelli and H.E. Robson, pp. 244-256, Washington DC, 1989.
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20. M. Otake, Zeolites 14, 42-52 (1994).
21. R.W. Grose and E.M. Flanigen, US Patent 4,257,885 (1981).
22. H. Kalıpcılar and A. Çulfaz, Cryst . Res. Technol. 35, 933-942 (2000).
23. R. Lai and G.R. Gavalas, Ind. Eng. Chem. Res. 37, 4275-83 (1998).
24. A. Araya and B.M. Lowe, Zeolites 6, 111-118 (1986).
25. M. Lassinantti, F. Jareman, J. Hedlund, D. Creaser and J. Sterte, Catal. Today 67, 109-119 (2001).
26. H. Kalipcilar and A. Culfaz, Cryst . Res. Technol. 36, 1197-1207, (2001).
27. K.G. Fegan and B.M. Lowe, J. Chem. Soc., Faraday Trans. I 82, 785-799 (1986).
28. A.E. Persson, B.J. Schoeman, J. Sterte and J.E. Otterstedt, Zeolites 15, 611-619 (1995).
29. Y.S. Yan, M.E. Davis and G.R. Gavalas, Ind. Eng. Chem. Res. 34, 1652-61 (1995).
1- Z.A.E.P. Vroon, K. Keizer, M.J. Gilde, H. Verweij and A.J. Burggraaf, J. Membr. Sci. 113, 293-300 (1996).
2- H. Kalıpçılar and A. Çulfaz, Micropor. Mesopor. Mater. 52, 39-54 (2002).
3 F. Jareman, J. Hedlund and J. Sterte, Sep. Purif. Tech. 32, 159-163 (2003).
4- G. Xomeritakis, S. Nair and M. Tsapatsis, Micropor. Mesopor. Mater. 38, 61-73 (2000).
5- K. Kusakabe, T. Kuroda, A. Murata and S. Morooka, Ind. Eng. Chem. Res. 36, 649-655 (1997).
6- E.R. Geus and H. van Bekkum, Zeolites 15, 333-341 (1995).
7- M.J. den Exter, H. van Bekkum, C.J.M. Rijn, F. Kapteijn, J.A. Moulijn, H. Schellevis and C.I. N. Beenakker,Zeolites 19, 13-20 (1997).
8- J.H. Dong, Y.S. Lin, M.Z.C. Hu, R.A. Peascoe and E.A. Payzant, Micropor. Mesopor. Mater. 34, 241-253 (2000).
9- S. Mintova, J. Hedlund, V. Valtchev, B.J. Schoeman and J. Sterte, J. Mater. Chem. 8, 2217-21 (1998).
10- J. Hedlund, M. Noack, P. Kolsch, D. Creaser, J. Caro and J. Sterte, J. Membr. Sci. 159, 263-273 (1999).
11- R. Lai and G.R. Gavalas, Micropor. Mesopor. Mater. 38, 239-245 (2000).
12. M. Pan and Y.S. Lin, Micropor. Mesopor. Mater. 43, 319-327 (2001).
13- J.H. Dong, E.A. Payzant, M.Z.C. Hu, D.W. Depaoli and Y.S. Lin, J. Mater. Sci. 38, 979-985 (2003).
14- G. Li, E. Kikuchi and M. Matsukata, Micropor. Mesopor. Mater. 60, 225-235 (2003).
15- S. Gopalakrishnan, T. Yamaguchi and S.I. Nakao, J. Membr. Sci. 274, 102-107 (2006).
16- B.M. Lowe, J.R.D. Nee and J.L. Casci, Zeolites 14, 610-619 (1994).
17- V.P. Shiralkar and A. Clearfield, Zeolites 9, 363-370 (1989).
18- F.Y. Dai, M. Suzuki, H. Takahashi and Y. Saito "Crystallization of Pentasil Zeolite in the Absence of Organic Templates" in Zeolite Synthesis, ACS Symp. Series, Vol. 398, eds. M.L. Occelli and H.E. Robson, pp. 244-256, Washington DC, 1989.
19- R. Aiello, F. Crea, A. Nastro and C. Pellegrino, Zeolites 7, 549-553 (1987);
20- M. Otake, Zeolites 14, 42-52 (1994).
21- R.W. Grose and E.M. Flanigen, US Patent 4,257,885 (1981).
22- H. Kalıpçılar and A. Çulfaz, Cryst. Res. Technol. 35, 933-942 (2000).
23.R. Lai and G.R. Gavalas, Ind. Eng. Chem. Res. 37, 4275-83 (1998).
24.A. Araya and B.M. Lowe, Zeolites 6, 111-118 (1986).
25.M. Lassinantti, F. Jareman, J. Hedlund, D. Creaser and J. Sterte, Catal. Today 67, 109-119 (2001).
26.H. Kalipcilar and A. Culfaz, Cryst. Res. Technol. 36, 1197-1207, (2001).
27.K.G. Fegan and B.M. Lowe, J. Chem. Soc, Faraday Trans. I 82, 785-799 (1986).
28.A.E. Persson, B.J. Schoeman, J. Sterte and J.E. Otterstedt, Zeolites 15, 611-619 (1995).
29.Y.S. Yan, M.E. Davis and G.R. Gavalas, Ind. Eng. Chem. Res. 34, 1652-61 (1995).

APA	KALIPÇILAR H, ÇULFAZ A (2007). Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. , 233 - 242.
Chicago	KALIPÇILAR Halil,ÇULFAZ Ali Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. (2007): 233 - 242.
MLA	KALIPÇILAR Halil,ÇULFAZ Ali Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. , 2007, ss.233 - 242.
AMA	KALIPÇILAR H,ÇULFAZ A Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. . 2007; 233 - 242.
Vancouver	KALIPÇILAR H,ÇULFAZ A Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. . 2007; 233 - 242.
IEEE	KALIPÇILAR H,ÇULFAZ A "Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks." , ss.233 - 242, 2007.
ISNAD	KALIPÇILAR, Halil - ÇULFAZ, Ali. "Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks". (2007), 233-242.

APA	KALIPÇILAR H, ÇULFAZ A (2007). Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. Turkish Journal of Chemistry, 31(2), 233 - 242.
Chicago	KALIPÇILAR Halil,ÇULFAZ Ali Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. Turkish Journal of Chemistry 31, no.2 (2007): 233 - 242.
MLA	KALIPÇILAR Halil,ÇULFAZ Ali Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. Turkish Journal of Chemistry, vol.31, no.2, 2007, ss.233 - 242.
AMA	KALIPÇILAR H,ÇULFAZ A Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. Turkish Journal of Chemistry. 2007; 31(2): 233 - 242.
Vancouver	KALIPÇILAR H,ÇULFAZ A Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks. Turkish Journal of Chemistry. 2007; 31(2): 233 - 242.
IEEE	KALIPÇILAR H,ÇULFAZ A "Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks." Turkish Journal of Chemistry, 31, ss.233 - 242, 2007.
ISNAD	KALIPÇILAR, Halil - ÇULFAZ, Ali. "Template-free synthesis of ZSM-5 type zeolite layers on porous alumina disks". Turkish Journal of Chemistry 31/2 (2007), 233-242.