Thermodynamic equilibrium analysis of combined carbon dioxide reforming with partial oxidation of methane to syngas

Nor Aishah Saidina Amin; Tung Chun Yaw

doi:10.1016/j.ijhydene.2006.12.004

Thermodynamic equilibrium analysis of combined carbon dioxide reforming with partial oxidation of methane to syngas

Nor Aishah Saidina Amin^*
, Tung Chun Yaw

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

126 Scopus citations

Abstract

The chemical equilibrium analysis on combined CH₄-reforming with CO₂ and O₂ (combined CORM-POM) has been conducted by total Gibbs energy minimization using Lagrange's undetermined multiplier method. The equilibrium compositions of the combined CORM-POM process were considerably influenced by CH₄:CO₂:O₂ feed ratios and operating temperatures. Methane oxidation reaction occurred predominantly at low temperatures, while the CO₂ conversion was strongly influenced by the O₂/CH₄ feed ratio. The addition of O₂ to the CORM process improved the CH₄ conversion, H₂ and H₂O yields and also the H₂/CO product ratio at the expense of CO₂ conversion and CO yield. Accordingly, the optimal equilibrium conditions for the CH₄:CO₂:O₂ ratio were within the range of 1:0.8:0.2-1:1:0.2 and a minimum requirement temperature of 1000 K.

Original language	English
Pages (from-to)	1789-1798
Number of pages	10
Journal	International Journal of Hydrogen Energy
Volume	32
Issue number	12
DOIs	https://doi.org/10.1016/j.ijhydene.2006.12.004
State	Published - Aug 2007
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy
SDG 13 Climate Action

Keywords

CO
Combined CH-reforming
Equilibrium compositions
Optimal conditions
Syngas

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Condensed Matter Physics
Energy Engineering and Power Technology

Access to Document

10.1016/j.ijhydene.2006.12.004

Cite this

@article{65c87d6416e84d169ae53eb4754e647a,

title = "Thermodynamic equilibrium analysis of combined carbon dioxide reforming with partial oxidation of methane to syngas",

abstract = "The chemical equilibrium analysis on combined CH4-reforming with CO2 and O2 (combined CORM-POM) has been conducted by total Gibbs energy minimization using Lagrange's undetermined multiplier method. The equilibrium compositions of the combined CORM-POM process were considerably influenced by CH4:CO2:O2 feed ratios and operating temperatures. Methane oxidation reaction occurred predominantly at low temperatures, while the CO2 conversion was strongly influenced by the O2/CH4 feed ratio. The addition of O2 to the CORM process improved the CH4 conversion, H2 and H2O yields and also the H2/CO product ratio at the expense of CO2 conversion and CO yield. Accordingly, the optimal equilibrium conditions for the CH4:CO2:O2 ratio were within the range of 1:0.8:0.2-1:1:0.2 and a minimum requirement temperature of 1000 K.",

keywords = "CO, Combined CH-reforming, Equilibrium compositions, Optimal conditions, Syngas",

author = "Amin, \{Nor Aishah Saidina\} and Yaw, \{Tung Chun\}",

year = "2007",

month = aug,

doi = "10.1016/j.ijhydene.2006.12.004",

language = "English",

volume = "32",

pages = "1789--1798",

journal = "International Journal of Hydrogen Energy",

issn = "0360-3199",

publisher = "Elsevier Ltd.",

number = "12",

}

TY - JOUR

T1 - Thermodynamic equilibrium analysis of combined carbon dioxide reforming with partial oxidation of methane to syngas

AU - Amin, Nor Aishah Saidina

AU - Yaw, Tung Chun

PY - 2007/8

Y1 - 2007/8

N2 - The chemical equilibrium analysis on combined CH4-reforming with CO2 and O2 (combined CORM-POM) has been conducted by total Gibbs energy minimization using Lagrange's undetermined multiplier method. The equilibrium compositions of the combined CORM-POM process were considerably influenced by CH4:CO2:O2 feed ratios and operating temperatures. Methane oxidation reaction occurred predominantly at low temperatures, while the CO2 conversion was strongly influenced by the O2/CH4 feed ratio. The addition of O2 to the CORM process improved the CH4 conversion, H2 and H2O yields and also the H2/CO product ratio at the expense of CO2 conversion and CO yield. Accordingly, the optimal equilibrium conditions for the CH4:CO2:O2 ratio were within the range of 1:0.8:0.2-1:1:0.2 and a minimum requirement temperature of 1000 K.

AB - The chemical equilibrium analysis on combined CH4-reforming with CO2 and O2 (combined CORM-POM) has been conducted by total Gibbs energy minimization using Lagrange's undetermined multiplier method. The equilibrium compositions of the combined CORM-POM process were considerably influenced by CH4:CO2:O2 feed ratios and operating temperatures. Methane oxidation reaction occurred predominantly at low temperatures, while the CO2 conversion was strongly influenced by the O2/CH4 feed ratio. The addition of O2 to the CORM process improved the CH4 conversion, H2 and H2O yields and also the H2/CO product ratio at the expense of CO2 conversion and CO yield. Accordingly, the optimal equilibrium conditions for the CH4:CO2:O2 ratio were within the range of 1:0.8:0.2-1:1:0.2 and a minimum requirement temperature of 1000 K.

KW - CO

KW - Combined CH-reforming

KW - Equilibrium compositions

KW - Optimal conditions

KW - Syngas

UR - https://www.scopus.com/pages/publications/34547838118

U2 - 10.1016/j.ijhydene.2006.12.004

DO - 10.1016/j.ijhydene.2006.12.004

M3 - Article

AN - SCOPUS:34547838118

SN - 0360-3199

VL - 32

SP - 1789

EP - 1798

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

IS - 12

ER -

Thermodynamic equilibrium analysis of combined carbon dioxide reforming with partial oxidation of methane to syngas

Abstract

UN SDGs

Keywords

ASJC Scopus subject areas

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