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Cover Picture: Monodisperse Nano‐Fe 3 O 4 on α‐Al 2 O 3 Catalysts for Fischer–Tropsch Synthesis to Lower Olefins: Promoter and Size Effects (ChemCatChem 16/2017)
Author(s) -
Yuan Yong,
Huang Shouying,
Wang Hongyu,
Wang Yifan,
Wang Jian,
Lv Jing,
Li Zhenhua,
Ma Xinbin
Publication year - 2017
Publication title -
chemcatchem
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201701263
Subject(s) - fischer–tropsch process , catalysis , syngas , particle size , dispersity , olefin fiber , nanomaterials , materials science , selectivity , chemical engineering , nanoparticle , particle (ecology) , nanotechnology , chemistry , organic chemistry , polymer chemistry , oceanography , geology , engineering
The Front Cover shows a series of K and S promoted Fe‐based catalysts with different particle sizes for direct conversion of syngas to lower olefins. The volcanic curve observed for the catalytic performance as a function of particle size is evidence of the shape‐sensitivity of Fe‐based catalysts in Fischer‐Tropsch synthesis.In their Full Paper, Y. Yuan et al. propose a novel method to fabricate monodisperse nano‐Fe 3 O 4 on α‐Al 2 O 3 catalysts, in which nanomaterials preparation was merged into the design of the supported catalyst. Particle size showed a significant influence on CO conversion. Furthermore, a synergistic effect of K and S resulted in high activity with enhanced lower olefin selectivity.
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