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Catalytic conversion of biomass-derived feedstocks into olefins and aromatics with ZSM-5: the hydrogen to carbon effective ratio

Open access
Zhang, Huiyan, Cheng, Yu-Ting, Vispute, Tushar P., Xiao, Rui, Huber, George W.·2011·Energy & Environmental Science

Abstract

Catalytic conversion of ten biomass-derived feedstocks, i.e.glucose, sorbitol, glycerol, tetrahydrofuran, methanol and different hydrogenated bio-oil fractions, with different hydrogen to carbon effective (H/Ceff) ratios was conducted in a gas-phase flow fixed-bed reactor with a ZSM-5 catalyst. The aromatic + olefin yield increases and the coke yield decreases with increasing H/Ceff ratio of the feed. There is an inflection point at a H/Ceff ratio = 1.2, where the aromatic + olefin yield does not increase as rapidly as it does prior to this point. The ratio of olefins to aromatics also increases with increasing H/Ceff ratio. CO and CO2 yields go through a maximum with increasing H/Ceff ratio. The deactivation rate of the catalyst decreases significantly with increasing H/Ceff ratio. Coke was formed from both homogeneous and heterogeneous reactions. Thermogravimetric analysis (TGA) for the ten feedstocks showed that the formation of coke from homogeneous reactions decreases with increasing H/Ceff ratio. Feedstocks with a H/Ceff ratio less than 0.15 produce large amounts of undesired coke (more than 12 wt%) from homogeneous decomposition reactions. This paper shows that the conversion of biomass-derived feedstocks into aromatics and olefins using zeolite catalysts can be explained by the H/Ceff ratio of the feed.

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Metadata

Authors
Zhang, H., Cheng, Y.-T., Vispute, T. P., Xiao, R., & Huber, G. W.
Venue
Energy & Environmental Science
Published
2011
Volume
4
Issue
6
Pages
2297
ISSN
  • 1754-5692 (ISSN-L)
  • 1754-5706
OpenAlex
W2166891613
Cited by
513
References
58
FWCI
13.50
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Catalytic conversion of biomass-derived feedstocks into olefins and aromatics with ZSM-5: the hydrogen to carbon effective ratio. https://app.cochat.ai/papers/10.1039/c1ee01230d
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Zhang, H., Cheng, Y.-T., Vispute, T. P., Xiao, R., & Huber, G. W. (2011). Catalytic conversion of biomass-derived feedstocks into olefins and aromatics with ZSM-5: the hydrogen to carbon effective ratio. Energy & Environmental Science. https://doi.org/10.1039/c1ee01230d

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