Biomass Hydropyrolysis in a Fluidized Bed Reactor
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- 作者：David C. Dayton ; Joshua Hlebak ; John R. Carpenter ; Kaige Wang ; Ofei D. Mante ; Jonathan E. Peters
- 刊名：Energy & Fuels
- 出版年：2016
- 出版时间：June 16, 2016
- 年：2016
- 卷：30
- 期：6
- 页码：4879-4887
- 全文大小：380K
- 年卷期：0
- ISSN：1520-5029
文摘
Catalytic hydropyrolysis of loblolly pine was studied in a high-pressure fluidized bed reactor using a NiMo hydrotreating catalyst. Hydropyrolysis temperature (375–475 °C) influenced the product distribution, product composition, H2 consumption, and process carbon efficiency. The material balances ranged from 84% to 106% with an average of 91%. The organic liquid yields including C4–C6 gases ranged from 20 wt % to 24 wt %, and the gas yields were between 11 and 27 wt %. The yield of the solids varied from 8 wt % to 26 wt %. Catalyst stability was studied at 450 °C and 20.68 bar (300 psig) total pressure with 40 vol % H2 for 10 days. The organic liquid product yield (22.5 ± 1.35 wt %) and quality (2.8 ± 1 wt % O) were consistent over 10 days of experiments with the same catalyst exposed to daily hydropyrolysis, regeneration, and reduction cycles indicating stable and steady-state catalyst performance over this time period.