In Situ Synthesis of MCM-22 Zeolite Membrane on an Alloy Foil by Hydrothermal Method

Abstract

Abstract: The MCM-22 zeolite membrane was synthesized on an iron-chromium-aluminum alloy foil by the hydrothermal method and characterized by X-ray diffraction and scanning electron microscopy. The results showed that the surface properties of the support had an important effect on the formation of the MCM-22 zeolite membrane. The MCM-22 zeolite membrane grew much better on the alloy foil treated with acid. The precoating of Al2O3 colloid on the alloy foil could enhance the interaction between the MCM-22 zeolite membrane and the support. The amount of the mother liquid was also an important factor affecting the formation of the MCM-22 zeolite membrane, and a high quality MCM-22 zeolite membrane could be obatined with more mother liquid. If the mother liquid was not enough, there was no MCM-22 zeolite membrane formed.

Key words: iron-chromium-aluminum alloy foil, hydrothermal method, MCM-22 zeolite membrane, synthesis

ZOU Xinhua, LI Yingxia*, ZENG Jianling, CHEN Biaohua. In Situ Synthesis of MCM-22 Zeolite Membrane on an Alloy Foil by Hydrothermal Method[J]. Chinese Journal of Catalysis, 2006, 27(6): 506-510.

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https://www.cjcatal.com/EN/Y2006/V27/I6/506

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In Situ Synthesis of MCM-22 Zeolite Membrane on an Alloy Foil by Hydrothermal Method

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