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

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

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Energy & Environmental Science Vol - 4 Issue - 5

Energy & Environmental Science Vol - 4 Issue - 4

Energy & Environmental Science Vol - 4 Issue - 3

Energy & Environmental Science Vol - 4 Issue - 2

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Energy & Environmental Science Vol -1

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

Content Provider	Royal Society of Chemistry (RSC)
Author	Xiao, Rui Huber, George W. Cheng, Yu-Ting Vispute, Tushar P. Zhang, Huiyan
Copyright Year	2011
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.
Starting Page	2297
Ending Page	2307
Page Count	11
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	4
Issue Number	6
Journal	Energy & Environmental Science
DOI	10.1039/c1ee01230d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Sorbitol Glycerol Tetrahydrofuran Methanol Pyrolysis oil Hydrogen Carbon ZSM-5 Alkene Inflection point Thermogravimetric analysis Zeolite
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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