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Volume 12
Issue 7
10.3390/en12071367
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Article

Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus

by
Xianbin Xiao
,
Xueying Wang
,
Zongming Zheng
*,
Wu Qin
and
Yumengqiu Zhou
National Engineering Laboratory for Biomass Power Generation Equipment, North China Electric Power University, Beijing 102206, China
*
Author to whom correspondence should be addressed.
Energies 2019, 12(7), 1367; https://doi.org/10.3390/en12071367
Submission received: 26 February 2019 / Revised: 3 April 2019 / Accepted: 4 April 2019 / Published: 9 April 2019
(This article belongs to the Section I: Energy Fundamentals and Conversion)
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Abstract

A co-gasification process was proposed both for treating alkaline organic wastewater and to promote coal gasification by the alkaline substances in situ. A catalytic gasification model was developed by introducing a catalytic correction factor to describe the catalytic effects quantitatively. An integrated process simulation was carried out using Aspen Plus equipped with FORTRAN subroutines. The model was verified using the root mean square error between the simulation results and experimental data from the literature. Syngas composition, cold gas efficiency, and carbon conversion efficiency were analyzed with respect to different operating conditions (reaction temperature, steam/coal ratio, and equivalence ratio). The optimal conditions are summarized based on a self-sufficient system by using sensitivity analysis: Gasification temperature of 700 °C, steam/coal ratio = 1.0, and equivalence ratio = 0.4.
Keywords: coal; gasification; alkaline organic wastewater; catalytic correction factors; ASPEN PLUS coal; gasification; alkaline organic wastewater; catalytic correction factors; ASPEN PLUS

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MDPI and ACS Style

Xiao, X.; Wang, X.; Zheng, Z.; Qin, W.; Zhou, Y. Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus. Energies 2019, 12, 1367. https://doi.org/10.3390/en12071367

AMA Style

Xiao X, Wang X, Zheng Z, Qin W, Zhou Y. Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus. Energies. 2019; 12(7):1367. https://doi.org/10.3390/en12071367

Chicago/Turabian Style

Xiao, Xianbin, Xueying Wang, Zongming Zheng, Wu Qin, and Yumengqiu Zhou. 2019. "Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus" Energies 12, no. 7: 1367. https://doi.org/10.3390/en12071367

APA Style

Xiao, X., Wang, X., Zheng, Z., Qin, W., & Zhou, Y. (2019). Catalytic Coal Gasification Process Simulation with Alkaline Organic Wastewater in a Fluidized Bed Reactor Using Aspen Plus. Energies, 12(7), 1367. https://doi.org/10.3390/en12071367

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