Hydrogen production from palmitic acid through autothermal reforming: Thermodynamic analysis
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Author list: Kangsadan T., Srisurat T., Kim P., Laosiripojana N., Jindasuwan S., Hartley U.W.
Publisher: Faculty of Engineering
Publication year: 2015
Journal: Engineering Journal (0125-8281)
Volume number: 19
Issue number: 4
Start page: 153
End page: 166
Number of pages: 14
ISSN: 0125-8281
eISSN: 0125-8281
Languages: English-Great Britain (EN-GB)
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Abstract
This work studies thermodynamic analysis of hydrogen production via autothermal reforming of palmitic acid. A Gibbs free energy minimization method was applied to analyze thermodynamic of syngas production via oxidative reforming of palmitic acid. Equilibrium compositions were estimated at temperature of 800ฐC, 900ฐC and 1000ฐC under atmospheric pressure. Optimal operating temperature and molar feed ratios of steam to palmitic acid (S/C) and oxygen to palmitic acid (O/C) ranging from 0.5 to 4; were determined. The PTC Mathcad Prime 2.0 is used to calculate enthalpy, entropy and Gibbs free energy. Aspen Plus program was applied for calculation of product yields and heat duty. Maximum H2 yield of 17.88 mole/molePalmitic with S/C of 4 and O/C of 0.5 can be achieved at 1000ฐC and yield were 7.75 mole/molePalmitic with S/C of 4 and O/C of 4. Production of hydrogen and carbon monoxide increased with increasing temperature. 2 HCO. ฉ 2015, Chulalongkorn University 1. All rights reserved.
Keywords
Palmitic acid
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