4.7 Article

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

Journal

CHEMICAL COMMUNICATIONS
Volume 54, Issue 25, Pages 3146-3149

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc09239c

Keywords

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Funding

  1. National Natural Science Foundation of China [21603223, 91545104, 21473182, 91334205]
  2. Youth Innovation Promotion Association of the Chinese Academy of Sciences [2014165]

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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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