期刊
BIORESOURCE TECHNOLOGY
卷 197, 期 -, 页码 79-84出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.08.063
关键词
Microwave; Catalytic fast pyrolysis; Biomass; Modified HZSM-5; Chemical vapor deposition
资金
- Minnesota Environment and Natural Resources Trust Fund
- North Central Regional Sun Grant Center at South Dakota State University through U.S. Department of Agriculture [2013-38502-21424]
- US Department of Transportation, Office of the Secretary [DTOS59-07-G-00054]
- China Scholarship Council (CSC)
- National Basic Research Program of China (973 Program) [2013CB228106]
- National Natural Science Fund Program of China [51276040]
- Scientific Research Foundation of Graduate School of Southeast University [YBJJ1430]
- Fundamental Research Funds for the Central Universities
- scientific innovation research program of college graduate in Jiangsu province [KYLX_0183]
Chemical vapor deposition with tetra-ethyl-orthosilicate as the modifier was applied to deposit the external acid sites of HZSM-5, and the modified HZSM-5 samples were used for the microwave-assisted catalytic fast pyrolysis (MACFP) of biomass for bio-oil production. The experimental results showed that the external acid sites of HZSM-5 decreased significantly when SiO2 deposited amount increased from 0% to 5.9%. For product distribution, the coke yield decreased, the oil fraction yield decreased at first and then increased, and the yields of water and gas first increased and then decreased over the range of SiO2 deposited amount studied. For chemical compositions in oil fraction, the relative contents of aliphatic hydrocarbons, aromatic hydrocarbons and oxygen-containing aromatic compounds first increased to maximum values and then decreased, while the relative content of oxygen-containing aliphatic compounds first decreased and then increased with increasing SiO2 deposited amount. (C) 2015 Elsevier Ltd. All rights reserved.
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