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Title: Hydrogen production from palmitic acid through autothermal reforming: Thermodynamic analysis
Authors: Tawiwan Kangsadan
Thanarak Srisurat
Pattaraporn Kim
Navadol Laosiripojana
Sunisa Jindasuwan
Unalome W. Hartley
King Mongkut's University of Technology North Bangkok
Mahidol University
King Mongkuts University of Technology Thonburi
Keywords: Engineering
Issue Date: 31-Jul-2015
Citation: Engineering Journal. Vol.19, No.4 (2015), 153-166
Abstract: © 2015, Chulalongkorn University 1. All rights reserved. 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 800°C, 900°C and 1000°C 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 H<inf>2</inf> yield of 17.88 mole/mole<inf>Palmitic</inf> with S/C of 4 and O/C of 0.5 can be achieved at 1000°C and yield were 7.75 mole/mole<inf>Palmitic</inf> with S/C of 4 and O/C of 4. Production of hydrogen and carbon monoxide increased with increasing temperature. 2 HCO.
ISSN: 01258281
Appears in Collections:Scopus 2011-2015

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