Hydrogen production by non-catalytic partial oxidation of coal in supercritical water: The study on reaction kinetics

Zhiwei Ge; Liejin Guo; Hui Jin

doi:10.1016/j.ijhydene.2017.02.018

Hydrogen production by non-catalytic partial oxidation of coal in supercritical water: The study on reaction kinetics

Zhiwei Ge
, Liejin Guo
, Hui Jin

School of Energy and Power Engineering

Xi'an Jiaotong University
Huadian Electircal Power Research Institute

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

62 Scopus citations

Abstract

Supercritical water gasification (SCWG) has attracted great attention for efficient and clean coal conversion recently. A novel kinetic model of non-catalytic partial oxidation of coal in supercritical water (SCW) that describes formation and consumption of gas products (H₂, CO, CH₄ and CO₂) is reported in this paper. The model comprises 7 reactions, and the reaction rate constants are obtained by fitting the experimental data. Activation energy analysis indicates that steam reforming of fixed carbon (FC) is the rate-determining step for the complete gasification of coal. Once CH₄ is produced by pyrolysis of coal, steam reforming of CH₄ will be the rate-determining step for directional hydrogen production.

Original language	English
Pages (from-to)	9660-9666
Number of pages	7
Journal	International Journal of Hydrogen Energy
Volume	42
Issue number	15
DOIs	https://doi.org/10.1016/j.ijhydene.2017.02.018
State	Published - 13 Apr 2017

UN SDGs

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

SDG 7 Affordable and Clean Energy

Keywords

Coal
Hydrogen production
Partial oxidation
Reaction kinetics
Supercritical water

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10.1016/j.ijhydene.2017.02.018

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title = "Hydrogen production by non-catalytic partial oxidation of coal in supercritical water: The study on reaction kinetics",

abstract = "Supercritical water gasification (SCWG) has attracted great attention for efficient and clean coal conversion recently. A novel kinetic model of non-catalytic partial oxidation of coal in supercritical water (SCW) that describes formation and consumption of gas products (H2, CO, CH4 and CO2) is reported in this paper. The model comprises 7 reactions, and the reaction rate constants are obtained by fitting the experimental data. Activation energy analysis indicates that steam reforming of fixed carbon (FC) is the rate-determining step for the complete gasification of coal. Once CH4 is produced by pyrolysis of coal, steam reforming of CH4 will be the rate-determining step for directional hydrogen production.",

keywords = "Coal, Hydrogen production, Partial oxidation, Reaction kinetics, Supercritical water",

author = "Zhiwei Ge and Liejin Guo and Hui Jin",

note = "Publisher Copyright: {\textcopyright} 2017 Hydrogen Energy Publications LLC",

year = "2017",

month = apr,

day = "13",

doi = "10.1016/j.ijhydene.2017.02.018",

language = "英语",

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journal = "International Journal of Hydrogen Energy",

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}

TY - JOUR

T1 - Hydrogen production by non-catalytic partial oxidation of coal in supercritical water

T2 - The study on reaction kinetics

AU - Ge, Zhiwei

AU - Guo, Liejin

AU - Jin, Hui

PY - 2017/4/13

Y1 - 2017/4/13

N2 - Supercritical water gasification (SCWG) has attracted great attention for efficient and clean coal conversion recently. A novel kinetic model of non-catalytic partial oxidation of coal in supercritical water (SCW) that describes formation and consumption of gas products (H2, CO, CH4 and CO2) is reported in this paper. The model comprises 7 reactions, and the reaction rate constants are obtained by fitting the experimental data. Activation energy analysis indicates that steam reforming of fixed carbon (FC) is the rate-determining step for the complete gasification of coal. Once CH4 is produced by pyrolysis of coal, steam reforming of CH4 will be the rate-determining step for directional hydrogen production.

AB - Supercritical water gasification (SCWG) has attracted great attention for efficient and clean coal conversion recently. A novel kinetic model of non-catalytic partial oxidation of coal in supercritical water (SCW) that describes formation and consumption of gas products (H2, CO, CH4 and CO2) is reported in this paper. The model comprises 7 reactions, and the reaction rate constants are obtained by fitting the experimental data. Activation energy analysis indicates that steam reforming of fixed carbon (FC) is the rate-determining step for the complete gasification of coal. Once CH4 is produced by pyrolysis of coal, steam reforming of CH4 will be the rate-determining step for directional hydrogen production.

KW - Coal

KW - Hydrogen production

KW - Partial oxidation

KW - Reaction kinetics

KW - Supercritical water

UR - https://www.scopus.com/pages/publications/85017103899

U2 - 10.1016/j.ijhydene.2017.02.018

DO - 10.1016/j.ijhydene.2017.02.018

M3 - 文章

AN - SCOPUS:85017103899

SN - 0360-3199

VL - 42

SP - 9660

EP - 9666

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

IS - 15

ER -

Hydrogen production by non-catalytic partial oxidation of coal in supercritical water: The study on reaction kinetics

Abstract

UN SDGs

Keywords

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