Increasing the selectivity to ethylene in the MTO reaction by enhancing diffusion limitation in the shell layer of SAPO-34 catalyst†,Chemical Communications

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Increasing the selectivity to ethylene in the MTO reaction by enhancing diffusion limitation in the shell layer of SAPO-34 catalyst†
Chemical Communications ( IF 4.3 ) Pub Date : 2018-02-09 00:00:00 , DOI: 10.1039/c7cc09239c
Jiawei Zhong _{1,

2,

3,

4,

5} , Jingfeng Han _{1,

2,

3,

4,

5} , Yingxu Wei _{1,

2,

3,

4,

5} , Shutao Xu _{1,

2,

3,

4,

5} , Yanli He _{1,

2,

3,

4,

5} , Yijun Zheng _{1,

2,

3,

4,

5} , Mao Ye _{1,

2,

3,

4,

5} , Xinwen Guo _{6,

7,

8,

9,

10} , Chunshan Song _{6,

7,

8,

9,

10} , Zhongmin Liu _{1,

2,

3,

4,

5}

Affiliation

The zinc cation accommodation in the cavities of the shell layer and the facilitated aromatic formation over the zinc cation modified SAPO-34 with a core–shell like structure introduce extra diffusion limitation for bulky hydrocarbons, which increases the selectivity to ethylene and the ethylene to propylene ratio at the initial stage of the MTO reaction.

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