Plasma assisted catalytic conversion of CO2 and H2O Over Ni/Al2O3 in a DBD Reactor

Xintong Ma, Sirui Li (Corresponding author), Maria Ronda-Lloret, Rohit Chaudhary, Liangliang Lin, Gerard van Rooij, Fausto Gallucci, Gadi Rothenberg, N. Raveendran Shiju, Volker Hessel

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Abstract

We present an innovative approach for reacting carbon dioxide and water to give syngas by combining heterogeneous catalysis and non-thermal plasma techniques. This approach utilizes an abundant water and nickel catalyst, and mitigates the thermodynamic penalty by using a Dielectric Barrier Discharge (DBD) plasma reactor. Argon dilution was used in the experiment to reduce the exothermic recombination of hydrogen and oxygen, which is considered as the major hurdle for H2O conversion. As a result, the syngas ratio was dramatically improved from 0.07 to 0.86. In addition, the conversions of CO2 and H2O were improved by packing Ni/γ–Al2O3 catalysts into the DBD reactor. The yields of H2 and CO were up to 13.8% and 5.6% respectively. The conditions for plasma catalysis and the catalyst characterization are presented and discussed.

Original languageEnglish
Pages (from-to)109-124
Number of pages16
JournalPlasma Chemistry and Plasma Processing
Volume39
Issue number1
DOIs
Publication statusPublished - 15 Jan 2019

Fingerprint

synthesis gas
reactors
Plasmas
catalysts
Catalysis
Catalysts
catalysis
Water
Argon
Carbon Monoxide
Nickel
penalties
Carbon Dioxide
plasma jets
water
Dilution
dilution
carbon dioxide
Hydrogen
Carbon dioxide

Keywords

  • CO conversion
  • Non-thermal plasma
  • Syngas production

Cite this

Ma, Xintong ; Li, Sirui ; Ronda-Lloret, Maria ; Chaudhary, Rohit ; Lin, Liangliang ; van Rooij, Gerard ; Gallucci, Fausto ; Rothenberg, Gadi ; Raveendran Shiju, N. ; Hessel, Volker. / Plasma assisted catalytic conversion of CO2 and H2O Over Ni/Al2O3 in a DBD Reactor. In: Plasma Chemistry and Plasma Processing. 2019 ; Vol. 39, No. 1. pp. 109-124.
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Plasma assisted catalytic conversion of CO2 and H2O Over Ni/Al2O3 in a DBD Reactor. / Ma, Xintong; Li, Sirui (Corresponding author); Ronda-Lloret, Maria; Chaudhary, Rohit; Lin, Liangliang; van Rooij, Gerard; Gallucci, Fausto; Rothenberg, Gadi; Raveendran Shiju, N.; Hessel, Volker.

In: Plasma Chemistry and Plasma Processing, Vol. 39, No. 1, 15.01.2019, p. 109-124.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Ma, Xintong

AU - Li, Sirui

AU - Ronda-Lloret, Maria

AU - Chaudhary, Rohit

AU - Lin, Liangliang

AU - van Rooij, Gerard

AU - Gallucci, Fausto

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AU - Raveendran Shiju, N.

AU - Hessel, Volker

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AB - We present an innovative approach for reacting carbon dioxide and water to give syngas by combining heterogeneous catalysis and non-thermal plasma techniques. This approach utilizes an abundant water and nickel catalyst, and mitigates the thermodynamic penalty by using a Dielectric Barrier Discharge (DBD) plasma reactor. Argon dilution was used in the experiment to reduce the exothermic recombination of hydrogen and oxygen, which is considered as the major hurdle for H2O conversion. As a result, the syngas ratio was dramatically improved from 0.07 to 0.86. In addition, the conversions of CO2 and H2O were improved by packing Ni/γ–Al2O3 catalysts into the DBD reactor. The yields of H2 and CO were up to 13.8% and 5.6% respectively. The conditions for plasma catalysis and the catalyst characterization are presented and discussed.

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