期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 41, 期 26, 页码 11062-11071出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.05.049
关键词
DFB reactor; Gasification; Integrated system; Carbon chain analysis; Green degree
资金
- International Science & Technology Cooperation Program of China [2013DFG62640]
- National Basic Research Program of China [2015CB251403]
- National Natural Science Fund for Distinguished Young Scholars [21425625]
- External Cooperation Program of BIC, Chinese Academy of Sciences [GJHZ201301]
Dual fluidized bed (DFB) reactor is one of promising ways for biomass gasification. In this work, an integrated system is designed to produce multi products, i.e., liquid fuel and electricity using biomass as feedstock. The system consists of four main sections, i.e. Gasification, CO2 capture, F-T synthesis, Power Generation. HRSG unit is applied to recover the sensible heat and produce steam, and the heat and electricity demanded by this system are produced by itself. The simulation is conducted in Aspen Plus and the results are verified with the literature and industrial data. Carbon chain analysis, energy analysis and green degree method are applied to evaluate the mass conversion, energy utilization and environmental influence of the system, which presents a clear description of the whole system. Furthermore, CO conversion of DFB reactor has a significant influence on oil production. The results show that 39.7% (HHV) of biomass energy is stored in products, 24.0% (HHV) in liquid fuel and 15.7% (HHV) in electricity. The energy efficiency comparison between several integrated systems is also given. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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