Kinetic study of dry reforming of methane using hybrid DBD plasma reactor over La2O3 co-supported Ni/MgAl2O4 catalyst

Asif Hussain Khoja; Muhammad Tahir; Nor Aishah Saidina Amin; Adeel Javed; Muhammad Taqi Mehran

doi:10.1016/j.ijhydene.2020.02.200

Kinetic study of dry reforming of methane using hybrid DBD plasma reactor over La₂O₃ co-supported Ni/MgAl₂O₄ catalyst

Asif Hussain Khoja
, Muhammad Tahir
, Nor Aishah Saidina Amin^*
, Adeel Javed
, Muhammad Taqi Mehran

^*Corresponding author for this work

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

58 Scopus citations

Abstract

A kinetic study on dry reforming of methane (DRM) in hybrid dielectric barrier discharge (DBD) plasma reactor over La₂O₃ co-supported Ni/MgAl₂O₄ catalyst has been investigated. Three different parametric effects namely specific input energy (SIE), discharge volume (V_D) and feed flow rate corresponding to GHSV (h⁻¹) are studied using the modified power-law model. The developed kinetic model indicates instantaneous conversions of CH₄ and CO₂ are functions of SIE, V_D and GHSV. Increasing SIE linearly enhances the conversion of CH₄ and CO₂, while V_D displays a non-linear relation with conversion and selectivity. GHSV also shows a linear relation with instantaneous CH₄ and CO₂ conversion and selectivity of H₂ and CO. The rate constants ( k_CH₄, k_CO₂), determined using the proposed kinetic model and various process parameters, are compared with DRM experimental results for validation. The apparent activation energy (E_a), calculated for CH₄ and CO₂ using modified Arrhenius equation, are = 32.6 kJ mol⁻¹ (CH₄) and E_a = 35.2 kJ mol⁻¹ (CO₂), respectively. The modified power-law model is a good preliminary description for future understanding of the overall performance of a hybrid catalytic DBD plasma reactor for DRM.

Original language	English
Pages (from-to)	12256-12271
Number of pages	16
Journal	International Journal of Hydrogen Energy
Volume	45
Issue number	22
DOIs	https://doi.org/10.1016/j.ijhydene.2020.02.200
State	Published - 21 Apr 2020
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2020 Hydrogen Energy Publications LLC

UN SDGs

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

SDG 7 Affordable and Clean Energy
SDG 13 Climate Action

Keywords

Catalytic plasma reaction
Dry reforming of methane
Hybrid DBD plasma reactor
Kinetic study
MgAlO
Rate constant

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.2020.02.200

Cite this

@article{492b6686c6b24c6b9ec025103285635d,

title = "Kinetic study of dry reforming of methane using hybrid DBD plasma reactor over La2O3 co-supported Ni/MgAl2O4 catalyst",

abstract = "A kinetic study on dry reforming of methane (DRM) in hybrid dielectric barrier discharge (DBD) plasma reactor over La2O3 co-supported Ni/MgAl2O4 catalyst has been investigated. Three different parametric effects namely specific input energy (SIE), discharge volume (VD) and feed flow rate corresponding to GHSV (h−1) are studied using the modified power-law model. The developed kinetic model indicates instantaneous conversions of CH4 and CO2 are functions of SIE, VD and GHSV. Increasing SIE linearly enhances the conversion of CH4 and CO2, while VD displays a non-linear relation with conversion and selectivity. GHSV also shows a linear relation with instantaneous CH4 and CO2 conversion and selectivity of H2 and CO. The rate constants ( kCH4, kCO2), determined using the proposed kinetic model and various process parameters, are compared with DRM experimental results for validation. The apparent activation energy (Ea), calculated for CH4 and CO2 using modified Arrhenius equation, are = 32.6 kJ mol−1 (CH4) and Ea = 35.2 kJ mol−1 (CO2), respectively. The modified power-law model is a good preliminary description for future understanding of the overall performance of a hybrid catalytic DBD plasma reactor for DRM.",

keywords = "Catalytic plasma reaction, Dry reforming of methane, Hybrid DBD plasma reactor, Kinetic study, MgAlO, Rate constant",

author = "Khoja, \{Asif Hussain\} and Muhammad Tahir and Amin, \{Nor Aishah Saidina\} and Adeel Javed and Mehran, \{Muhammad Taqi\}",

note = "Publisher Copyright: {\textcopyright} 2020 Hydrogen Energy Publications LLC",

year = "2020",

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doi = "10.1016/j.ijhydene.2020.02.200",

language = "English",

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T1 - Kinetic study of dry reforming of methane using hybrid DBD plasma reactor over La2O3 co-supported Ni/MgAl2O4 catalyst

AU - Khoja, Asif Hussain

AU - Tahir, Muhammad

AU - Amin, Nor Aishah Saidina

AU - Javed, Adeel

AU - Mehran, Muhammad Taqi

PY - 2020/4/21

Y1 - 2020/4/21

N2 - A kinetic study on dry reforming of methane (DRM) in hybrid dielectric barrier discharge (DBD) plasma reactor over La2O3 co-supported Ni/MgAl2O4 catalyst has been investigated. Three different parametric effects namely specific input energy (SIE), discharge volume (VD) and feed flow rate corresponding to GHSV (h−1) are studied using the modified power-law model. The developed kinetic model indicates instantaneous conversions of CH4 and CO2 are functions of SIE, VD and GHSV. Increasing SIE linearly enhances the conversion of CH4 and CO2, while VD displays a non-linear relation with conversion and selectivity. GHSV also shows a linear relation with instantaneous CH4 and CO2 conversion and selectivity of H2 and CO. The rate constants ( kCH4, kCO2), determined using the proposed kinetic model and various process parameters, are compared with DRM experimental results for validation. The apparent activation energy (Ea), calculated for CH4 and CO2 using modified Arrhenius equation, are = 32.6 kJ mol−1 (CH4) and Ea = 35.2 kJ mol−1 (CO2), respectively. The modified power-law model is a good preliminary description for future understanding of the overall performance of a hybrid catalytic DBD plasma reactor for DRM.

AB - A kinetic study on dry reforming of methane (DRM) in hybrid dielectric barrier discharge (DBD) plasma reactor over La2O3 co-supported Ni/MgAl2O4 catalyst has been investigated. Three different parametric effects namely specific input energy (SIE), discharge volume (VD) and feed flow rate corresponding to GHSV (h−1) are studied using the modified power-law model. The developed kinetic model indicates instantaneous conversions of CH4 and CO2 are functions of SIE, VD and GHSV. Increasing SIE linearly enhances the conversion of CH4 and CO2, while VD displays a non-linear relation with conversion and selectivity. GHSV also shows a linear relation with instantaneous CH4 and CO2 conversion and selectivity of H2 and CO. The rate constants ( kCH4, kCO2), determined using the proposed kinetic model and various process parameters, are compared with DRM experimental results for validation. The apparent activation energy (Ea), calculated for CH4 and CO2 using modified Arrhenius equation, are = 32.6 kJ mol−1 (CH4) and Ea = 35.2 kJ mol−1 (CO2), respectively. The modified power-law model is a good preliminary description for future understanding of the overall performance of a hybrid catalytic DBD plasma reactor for DRM.

KW - Catalytic plasma reaction

KW - Dry reforming of methane

KW - Hybrid DBD plasma reactor

KW - Kinetic study

KW - MgAlO

KW - Rate constant

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