A CONVENIENT METHOD FOR CRYSTALLIZATION OF ZEOLITE ZSM-5 BY USING SEED CRYSTALS IN ACETONE/WATER MIXTURE SYSTEM
Eiichi Narita, Keiichi Sato, Taijiro Okabe
Abstract
Eiichi Narita, Keiichi Sato, Taijiro Okabe
Abstract
Abstract Zeolite ZSM-5 was easily synthesized by using ZSM-5 seed crystals as crystallization nuclei from acetone/water mixture system without any organic templates. A small amount of acetone in a reaction mixture inhibited formation of α-quartz and facilitated rapid crystallization of ZSM-5 under the mild hydrothermal conditions of 170–190 °C.
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Abstract Zeolite ZSM-5 was easily synthesized by using ZSM-5 seed crystals as crystallization nuclei from acetone/water mixture system without any organic templates. A small amount of acetone in a reaction mixture inhibited formation of α-quartz and facilitated rapid crystallization of ZSM-5 under the mild hydrothermal conditions of 170–190 °C.
Key concepts: Chemistry, Zeolite, Crystallization, ZSM-5, Acetone, Water of crystallization, Chemical engineering, Organic chemistry