Acta Phys. -Chim. Sin. ›› 2002, Vol. 18 ›› Issue (03): 279-283.doi: 10.3866/PKU.WHXB20020319

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Synthesis and Characterization of Supersurface MCM-41 Zeolites

Song Chun-Min;Yan Zi-Feng;Max Lu   

  1. State Key Laboratory for Heavy Oil Processing, University of Petroleum,Dongying 257061;NanoMac Ceter, Department of Chemical Engineering, The University of Queensland, Brisbane 4072 Australia
  • Received:2001-07-30 Revised:2001-11-05 Published:2002-03-15
  • Contact: Yan Zi-Feng

Abstract: The mesoporous MCM41 molecular sieves with superhigh surface areas were hydrothermally synthesized by means of a novel surfactant. XRD, nitrogen adsorption,SEM and pyridine TGDTA were used to characterize the crystallinity,surface area and mesoporosity and acidity of the synthesized samples. The XRD results showed that MCM41 with high crystallinity. N2 adsorption indicated that BET surface area is 1300 m2•g-1. Pyridine TPD spectra of the samples showed that the acidity of MCM41 is a weak acid. The samples have high thermal stability. The optimum crystallization time is 50~100 h.

Key words: MCM-41, Mesopore zeolite, Synthesis, Characterization