Silicalite-1 membrane on millimeter-sized HZSM-5 zeolite extrudates: Controllable synthesis and catalytic behavior in toluene disproportionation

Journal of Membrane Science

Volumn 381, Issue 1-2, 2011, Pages 197-203

  Teng, Hui ^a   Wang, Jun ^a   Chen, Demin ^a   Liu, Ping ^a   Wang, Xiaochen ^a  

^a NANJING TECH UNIVERSITY   (China)

Author keywords

Core shell catalyst; Disproportionation of toluene; Shape selective catalysis; Zeolite membrane; ZSM 5 silicalite 1 composite

Indexed keywords

CORE/SHELL CATALYST; DISPROPORTIONATIONS; SHAPE-SELECTIVE CATALYSIS; ZEOLITE MEMBRANE; ZSM-5/SILICALITE-1 COMPOSITE;

ADSORPTION; CATALYSIS; CATALYSTS; CHEMICAL REACTORS; CHLORINE COMPOUNDS; HYDROTHERMAL SYNTHESIS; MEMBRANES; ORGANIC POLYMERS; SEED; TOLUENE; XYLENE;

SILICATE MINERALS;

NANOCOMPOSITE; PARA XYLENE; POLYMER; SILICALITE 1; SILICATE; TOLUENE; UNCLASSIFIED DRUG; XYLENE; ZEOLITE;

ADSORPTION; ARTICLE; NANOTECHNOLOGY; PRIORITY JOURNAL; SCANNING ELECTRON MICROSCOPY; SYNTHESIS; X RAY DIFFRACTION;

EID: 80052029771     PISSN: 03767388     EISSN: 18733123     Source Type: Journal    
DOI: 10.1016/j.memsci.2011.07.025     Document Type: Article

References (28)

1. Tsai T.C., Liu S.B., Wang I. Disproportionation and transalkylation of alkylbenzenes over zeolite catalysts. Appl. Catal. A 1999, 181:355-398.
2. Kaeding W.W., Chu C., Young L.B., Butter S.A. Selective alkylation of toluene with methanol to produce para-xylene. J. Catal. 1981, 67:159-174.
3. Gu J., Wu Y.J., Wang J., Lu Y.D., Ren X.Q. In situ assembly of ZSM-5 nanocrystals into micro-sized single-crystal-like aggregates via acid-catalyzed hydrolysis of tetraethylorthosilicate. J. Mater. Sci. 2009, 44:3777-3783.
4. Chen N.Y., Kaeding W.W., Dwyer F.G. Para-directed aromatic reactions over shape-selective molecular sieve zeolite catalysts. J. Am. Chem. Soc. 1979, 101:6783-6784.
5. Degnan T.F. The implications of the fundamentals of shape selectivity for the development of catalysts for the petroleum and petrochemical industries. J. Catal. 2003, 216:32-46.
6. Kim J.H., Ishida A., Okajima M., Niwa M. Modification of HZSM-5 by CVD of various silicon compounds and generation of para-selectivity. J. Catal. 1996, 161:387-392.
7. Gründling C., Eder-Mirth G., Lercher J.A. Selectivity enhancement in methylamine synthesis via postsynthesis modification of brønsted acidic mordenite. J. Catal. 1996, 160:299-308.
8. Nishiyama N., Miyamoto M., Egashira Y., Ueyama K. Zeolite membrane on catalyst particles for selective formation of p-xylene in the disproportionation of toluene. Chem. Commun. 2001, 18:1746-1747.
9. Vu D.V., Miyamoto M., Nishiyama N., Ichikawa S., Egashira Y., Ueyama K. Selective formation of para-xylene over H-ZSM-5 coated with polycrystalline silicalite crystals. J. Catal. 2006, 243:389-394.
10. Vu D.V., Miyamoto M., Nishiyama N., Ichikawa S., Egashira Y., Ueyama K. Catalytic activities and structures of silicalite-1/H-ZSM-5 zeolite composites. Micropor. Mesopor. Mater. 2008, 115:106-112.
11. Vu D.V., Miyamoto M., Nishiyama N., Egashira Y., Ueyama K. Morphology control of silicalite/HZSM-5 composite catalysts for the formation of para-xylene. Catal. Lett. 2009, 127:233-238.
12. Bao J., He J., Zhang Y., Yoneyama Y., Tsubaki N. A core/shell catalyst produces a spatially confined effect and shape selectivity in a consecutive reaction. Angew. Chem. Int. Ed. 2008, 47:353-356.
13. Li X., He J., Meng M., Yoneyama Y., Tsubaki N. One-step synthesis of H-beta zeolite-enwrapped Co/Al2O3 Fischer-Tropsch catalyst with high spatial selectivity. J. Catal. 2009, 265:26-34.
14. Li X., Zhang Y., Meng M., Yang G., San X., Takahashi M., Tsubaki N. Silicalite-1 membrane encapsulated Rh/activated-carbon catalyst for hydroformylation of 1-hexene with high selectivity to normal aldehyde. J. Membr. Sci. 2010, 347:220-227.
15. Chen D.M., Wang J., Ren X., Teng H., Gu H. Silicalite-1 shell synthesized onto cylinder-shaped ZSM-5 extrudate for disproportionation of toluene into para-xylene. Catal. Lett. 2010, 136:65-70.
16. Cao X.Y., Yue Q.Y., Song L.Y., Li M., Zhao Y.C. The performance and application of fly ash modified by PAC. J. Hazard. Mater. 2007, 147:133-138.
17. Bouizi Y., Rouleau L., Valentin P., Valtchev Factors controlling the formation of core-shell zeolite-zeolite composites. Chem. Mater. 2006, 18:4959-4966.
18. Bouizi Y., Rouleau L., Valentin P., Valtchev Core-shell zeolite microcomposites. Adv. Funct. Mater. 2005, 15:1955-1959.
19. Bouizi Y., Rouleau L., Valentin P., Valtchev Bi-phase MOR/MFI-type zeolite core-shell composite. Micropor. Mesopor. Mater. 2006, 91:70-77.
20. Easir A., Khan, Hu E., Lai Z. Preparation of metal oxide/zeolite core-shell nanostructures. Micropor. Mesopor. Mater. 2009, 118:210-217.
21. Zhang X., Liu H., Yeung K.L. Influence of seed size on the formation and microstructure of zeolite silicalite-1 membranes by seeded growth. Mater. Chem. Phys. 2006, 96:42-50.
22. Davis E.M. Distinguishing the (almost) indistinguishable. Science 2003, 300:438-439.
23. Zhu Z.R., Xie Z.K., Chen Q.L., Kong D.J., Li W., Yang W.M., Li C. Chemical liquid deposition with polysiloxane of ZSM-5 and its effect on acidity and catalytic properties. Micropor. Mesopor. Mater. 2007, 101:169-175.
24. Zheng S.R., Heydenrych R.H. On the enhanced selectivity of HZSM-5 modified by chemical liquid deposition. Top. Catal. 2003, 22:101-106.
25. Lefebvre F., Mallmann A., Basset J.M. Modification of the adsorption and catalytic properties of molecular sieves by reaction with organometallic complexes. Eur. J. Inorg. Chem. 1999, 3:361-371.
26. Mabande G.T.P., Schwieger W., Hanebuth M., Dittmeyer R., Selvam T. Silicalite-1 membranes prepared via one-step in situ seeding. Stud. Surf. Sci. Catal. 2004, 154:695-702.
27. Tago T., Nakasaka Y., Kayoda A., Masuda T. Preparation of hydrophilic silicalite-1 nanocrystal-layered membranes and their application to separating water from water-acetone solution. Micropor. Mesopor. Mater. 2008, 115:176-183.
28. Hasegawa Y., Ikeda T., Nagase T., Kiyozumi Y., Hanaoka T., Mizukami F. Preparation and characterization of silicalite-1 membranes prepared by secondary growth of seeds with different crystal sizes. J. Membr. Sci. 2006, 280:397-405.