Journal
CHINESE JOURNAL OF CHEMICAL ENGINEERING
Volume 63, Issue -, Pages 220-225Publisher
CHEMICAL INDUSTRY PRESS CO LTD
DOI: 10.1016/j.cjche.2023.05.007
Keywords
Natural gas; Thermodynamics; Hydrocarbons; Co-pyrolysis; Gibbs free energy; Density functional theory
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The co-pyrolysis of natural gas and coal is a promising method for producing acetylene with high energy and hydrogen utilization efficiency. This research investigated the thermodynamics of this reaction and identified favorable reaction conditions.
The co-pyrolysis of natural gas and coal is a promising way for the production of acetylene due to its high efficiency for energy and hydrogen utilization. This work investigated the thermodynamics for the copyrolysis reaction of natural gas and coal using density functional theory. The favorable reaction conditions are presented in the form of phase diagrams. The calculation results show that the extra amount of methane may benefit the production of acetylene in the co-pyrolysis reaction, and the C/H ratio of 1:1, temperature around 3000 K and pressure at 0.1 MPa are most favorable. The results would provide basic data for related industrial process for the production of acetylene.(c) 2023 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
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