Enhanced hydrogen generation efficiency of methanol using dielectric barrier discharge plasma methodology and conducting sea water as an electrode
作者： Nihar Ranjan Panda , Dojalisa Sahu
DOI: 10.1016/J.HELIYON.2020.E04717
关键词: Hydrogen production 、 Analytical chemistry 、 Electrode 、 Absorption spectroscopy 、 Dielectric barrier discharge 、 Materials science 、 Methanol 、 Plasma 、 Hydrogen fuel 、 Hydrogen
摘要: Abstract In this work, methanol decomposition method has been discussed for the production of hydrogen gas with application plasma. A simple dielectric barrier discharge (DBD) plasma reactor was designed purpose two types electrode. The DBD experimented by substituting one metal electrodes feebly conducting sea water which yielded better efficiency in producing gas. Experimental parameters such as; voltage and time were varied maintaining a gap 1.5 mm characteristics studied. Filamentary type micro-discharges found to be formed observed as numerous streamer clusters current waveform. Gas chromatographic study confirmed residence around 3.6 min. Although, concentration (%) H2 high (98.1 %) consistent copper electrode assembly, rate formation highest (98.7 specific voltage. energy 0.5 mol H2/kWh 1.2 (Cu) respectively. material significantly affects condition hence production. Compositional analysis used showed minimal change composition even after completion experiment compared untreated water. Methanol degradation shows presence residue from absorption spectra.
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