Atom-economical synthesis of a high silica CHA zeolite using a solvent-free route

Xiong Wang; Qinming Wu; Chunyu Chen; Shuxiang Pan; Weiping Zhang; Xiangju Meng; Stefan Maurer; Mathias Feyen; Ulrich Müller; Feng-Shou Xiao

doi:10.1039/C5CC05980A

Atom-economical synthesis of a high silica CHA zeolite using a solvent-free route†

Xiong Wang,^a Qinming Wu,^a Chunyu Chen,^a Shuxiang Pan,^a Weiping Zhang,^b Xiangju Meng,*^a Stefan Maurer,^c Mathias Feyen,^d Ulrich Müller^d and Feng-Shou Xiao*^a

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* Corresponding authors

^a Key Laboratory of Applied Chemistry of Zhejiang Province, Zhejiang University, Hangzhou 310028, China
E-mail: mengxj@zju.edu.cn, fsxiao@zju.edu.cn

^b State Key Laboratory of Fine Chemicals, Dalian University of Technology, Linggong Road 2, Dalian 116024, China

^c BASF Catalysts (Shanghai) Co., Ltd, 239 Luqiao Road, Jinqiao Export Process Zone, Pudong New District, Shanghai, China

^d BASF SE, GCC/PZ - M311, 67056 Ludwigshafen, Germany

Abstract

A high silica CHA zeolite is successfully synthesized in the presence of a small amount of N,N,N-dimethylethylcyclohexylammonium bromide under solvent-free conditions. Catalytic tests for the selective catalytic reduction of NO_x with NH₃ (NH₃-SCR) and methanol-to-olefins (MTO) show that the sample from the solvent-free route exhibits comparable catalytic properties to that from the conventional route.

Chemical Communications

Atom-economical synthesis of a high silica CHA zeolite using a solvent-free route†

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Atom-economical synthesis of a high silica CHA zeolite using a solvent-free route

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