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Coke‐Tolerant Gadolinium‐Promoted HZSM‐5 Catalyst for Methanol Conversion into Hydrocarbons
Author(s) -
Kim Sungtak,
Kim Yong Tae,
Hwang Ahron,
Jun KiWon,
Kwak Geunjae
Publication year - 2017
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201601559
Subject(s) - coke , methanol , catalysis , gadolinium , oxide , chemistry , inorganic chemistry , zsm 5 , chemical engineering , organic chemistry , zeolite , engineering
The role of Gd as a coke inhibitor was studied for the methanol‐to‐hydrocarbons reaction. It was revealed that thin films of gadolinium oxide covered the ZSM‐5 crystals and that the Gd atoms that were uniformly dispersed on the surface enhanced the basicity of the parent ZSM‐5. These synergetic effects improved the durability of the acidic function and diminished the growth of coke precursors, which resulted in an increased lifetime of the catalyst.