期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 45, 期 5, 页码 3532-3548出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2018.12.198
关键词
Gasification; Plasma; Coal; Equivalence ratio; Fossil hydrogen; Clean coal
资金
- TUBITAK [TUBITAK113M104]
- Anadolu Plasma Technology Center [TUBITAK113M104]
- General Directorate of Turkish Coal [TUBITAK113M104]
In this paper, a 3D numerical simulation of a downdraft plasma gasifier with plasma reactions is conducted. The effects of the equivalence ratio (ER) on the syngas properties in the presence of the plasma reactions are investigated. The boundary conditions for the air plasma inlet of the gasifier are obtained from the outlet of a 10 kW microwave plasma generator. A conventional gasification analysis is carried out to validate the model. In the second part of the study, plasma reactions are added to conventional gasification equations. Mole fractions of the constituents of the syngas and temperature contours are obtained for different ER values. According to the results, with the increase of ER from 0.20 to 0.45 the lower heating value of the produced syngas decreased from 1536.6 kcal/m(3) to 751.8 kcal/m(3). (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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