LAPSE:2019.0604
Published Article
LAPSE:2019.0604
Investigation of Nonthermal Plasma Assisted Charcoal Gasification for Production of Hydrogen-Rich Syngas
Yin Pang, Thomas Hammer, Dominik Müller, Jürgen Karl
June 18, 2019
The motivation of this work is to investigate experimentally the influence of nonthermal plasma (NTP) application on the reaction kinetics of atmospheric pressure steam gasification of charcoal using a thermostatically controlled drop tube reactor. A gliding-arc generator provides about 1 kW electrical power NTP. For comparison thermal gasification is investigated under comparable flow and specific energy input conditions providing additional heat to the steam. Optical temperature measurement 20 cm flow down of the NTP zone is utilized to characterize the specific enthalpy of the reactive flow. The composition of produced syngas is measured by a gas analyzer and used for the calculation of gas flow rates. The results show a NTP-enhancement on the production of individual syngas components (H₂, CO, CH₄), especially on hydrogen production by around 39%. The syngas-based carbon conversion and hydrogen release are calculated from the carbon and hydrogen balance between the correspondent content in syngas and in the feedstock. The NTP promoted the carbon conversion and hydrogen release by 25% and 31%, respectively. The first-order reaction kinetics are determined by data-fitting in an Arrhenius diagram. The plasma enhanced the reaction rate coefficients by 27%. Based on experimental results and other literature, possible plasma-induced reactions are proposed.
Keywords
carbon conversion, charcoal gasification, hydrogen release, nonthermal plasma, reaction kinetics, reaction mechanism
Suggested Citation
Pang Y, Hammer T, Müller D, Karl J. Investigation of Nonthermal Plasma Assisted Charcoal Gasification for Production of Hydrogen-Rich Syngas. (2019). LAPSE:2019.0604
Author Affiliations
Pang Y: Chair of Energy Process Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fürther Str. 244f, 90429 Nürnberg, Germany
Hammer T: Siemens AG, Corporate Technology, Research on Energy and Electronics, Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
Müller D: Chair of Energy Process Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fürther Str. 244f, 90429 Nürnberg, Germany
Karl J: Chair of Energy Process Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fürther Str. 244f, 90429 Nürnberg, Germany
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Journal Name
Processes
Volume
7
Issue
2
Article Number
E114
Year
2019
Publication Date
2019-02-21
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr7020114, Publication Type: Journal Article
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LAPSE:2019.0604
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doi:10.3390/pr7020114
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Jun 18, 2019
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CC BY 4.0
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Jun 18, 2019
 
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Original Submitter
Calvin Tsay
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