The Making Pore Affected by Template for ZSM-5 Molecular Sieves

Chem. J. Chinese Universities ›› 1989, Vol. 10 ›› Issue (4): 341.

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The Making Pore Affected by Template for ZSM-5 Molecular Sieves

Wang Dingyi¹, He Jun¹, Yin Weizhen², Zheng Xiangmiao³, Song Tianyou⁴, Meng XianPing⁴, Xiang Shouhe⁵

1. Department of Chemistry, Quangxi University, Nanning;
2. Department of Chemistry, Guangxi National Academy, Nanning;
3. Department of Chemistry, Peking University, Beijing;
4. Department of Chemistry, Jilin University, Changchun;
5. Department of Chemistry, Nankai University, Tianjin

Received:1987-08-07 Online:1989-04-24 Published:1989-04-24

Abstract

Abstract: The ZSM-5 type zeolite molecular sieves of different Si/Al ratios were synthesized with different templates. After driving out the templates at 560℃, the samples were saturated with adsorbed water, and then the crystal-linity and the volume of cell were determined by X-ray diffraction for poly-crystalline materials.It was discovered that the volumes of cell were linear with content of A1₂O₃weight percent for a series of molecular sieves of the same template but the slope and intercept of lines were unlike for samples of unlike templates, that is,volume of cell or pore volume of the samples of unlike templates were unequal in case of same content of A1₂O₃weight percent. Therefore, it may be deduced that templates play a support and location role in crystalline of molecular sieves for making pore.

Key words: ZSM-5, Template, Making pore affect

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Wang Dingyi, He Jun, Yin Weizhen, Zheng Xiangmiao, Song Tianyou, Meng XianPing, Xiang Shouhe. The Making Pore Affected by Template for ZSM-5 Molecular Sieves[J]. Chem. J. Chinese Universities, 1989, 10(4): 341.

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The Making Pore Affected by Template for ZSM-5 Molecular Sieves

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