Sustainable Synthesis of Pure Silica Zeolites from a Combined Strategy of Zeolite Seeding and Alcohol Filling

Currently, the synthesis of pure silica zeolites always requires the presence of organic structure‐directing agents (OSDAs), which direct the assembly pathway and ultimately fill the pore space. A sustainable route is now reported for synthesizing pure silica zeolites in the absence of OSDAs from a...

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Bibliographic Details
Published in:Angewandte Chemie International Edition Vol. 58; no. 35; pp. 12138 - 12142
Main Authors: Wu, Qinming, Zhu, Longfeng, Chu, Yueying, Liu, Xiaolong, Zhang, Changsheng, Zhang, Juan, Xu, Hao, Xu, Jun, Deng, Feng, Feng, Zhaochi, Meng, Xiangju, Xiao, Feng‐Shou
Format: Journal Article
Language:English
Published: Germany Wiley Subscription Services, Inc 26.08.2019
Edition:International ed. in English
Subjects:
Alcohol
Alcohols
Crystallization
Crystals
High temperature
seeding
Seeds
Silica
Silicon dioxide
sustainable synthesis
Synthesis
Zeolites
sustainable synthesis
zeolites
seeding
silica
ISSN:1433-7851, 1521-3773, 1521-3773
Online Access:Get full text
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Summary:Currently, the synthesis of pure silica zeolites always requires the presence of organic structure‐directing agents (OSDAs), which direct the assembly pathway and ultimately fill the pore space. A sustainable route is now reported for synthesizing pure silica zeolites in the absence of OSDAs from a combined strategy of zeolite seeding and alcohol filling, where the zeolite seeds direct crystallization of zeolite crystals from amorphous silica, while the alcohol is served as pore filling in the zeolites. Very importantly, the alcohol could be fully washed out from zeolite pores by water at room temperature, which completely avoids calcination at high temperature for removal of OSDAs in the synthesis of pure silica zeolites. A sustainable route for synthesizing pure silica zeolites in the absence of organic structure‐directing agents from a combined strategy of zeolite seeding and alcohol filling is presented. The zeolite seeds direct crystallization of zeolite crystals from amorphous silica, while the alcohol is served as pore filling in the zeolite.
Bibliography:These authors contributed equally to this work.
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ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.201906559