Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 15, Issue 29, Pages 12132-12138Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp50694k
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Funding
- National Institute of Clean-and-Low-Carbon Energy (NICE)
- National Natural Science Foundation of China [20990223]
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A Ni/SiO2 catalyst was prepared by the plasma decomposition of a nickel precursor via dielectric barrier discharge (DBD). The obtained Ni/SiO2 catalyst shows an enhanced H2S resistance for methanation of syngas (CO + H-2). The plasma decomposition has a significant influence on the structural property of Ni/SiO2. The plasma decomposed catalyst shows less defect sites on Ni particles. The formation of Ni-sulfur species was effectively inhibited. The mechanism of H2S poisoning on different catalysts with and without plasma decomposition was also discussed according to the reaction temperature.
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