Issue 9, 2018

An efficient synthetic route to accelerate zeolite synthesis via radicals

Abstract

The energy-efficient and green synthesis of zeolites that are highly demanded in the chemical industry has been a focus for decades. Here we report a highly efficient radical-route to accelerate the synthesis of zeolites via using sodium persulfate (denoted as SPS) as an additive in the hydrothermal reaction system of SiO2–TPAOH–H2O. The hydrothermal synthesis of highly crystalline silicalite-1 was shortened to 16 h from 24 h in the presence of 0.02 M SPS. Electron paramagnetic resonance (EPR) was used to characterize the radical species induced by SPS. More importantly, as compared with the conventional synthetic system, highly crystalline silicalite-1 can be synthesized with only half of the amount of organic structure-directing agents in the presence of SPS. With this route, we can not only speed up the hydrothermal crystallization of a silicalite-1 zeolite but also greatly reduce the usage of organic structure-directing agents. This radical-route demonstrates an efficient and green route for the synthesis of zeolites.

Graphical abstract: An efficient synthetic route to accelerate zeolite synthesis via radicals

Supplementary files

Article information

Article type
Research Article
Submitted
10 mai 2018
Accepted
30 juin 2018
First published
02 juil. 2018

Inorg. Chem. Front., 2018,5, 2106-2110

An efficient synthetic route to accelerate zeolite synthesis via radicals

P. Cheng, G. Feng, C. Sun, W. Xu, J. Su, W. Yan and J. Yu, Inorg. Chem. Front., 2018, 5, 2106 DOI: 10.1039/C8QI00441B

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements