In this study, the principal possibility of methane formation from syngas (the mixture of hydrogen and carbon monoxide) in the dielectric barrier discharge plasma was shown. The results of syngas conversion under microsecond pulses (amplitude up to 12 kV and frequency of 1000Hz) treatment in the five-tube reactor were discussed. The dependence of the methane formation on the volume flow rate and the energy input were studied. Also effect of inert gases (by the example of nitrogen) addition in the initial gaseous mixture on the methane formation was investigated.
Influence of plasma dielectric barrier discharge on oligomerization of carbon monoxide was shown. The ratio of CO and H2 was equal to 2: 1. Gas flow-rate was 3 cm3/s for H2 and 6 sm3/s for CO. It was found that methane formation is 1.2% at parameters of dielectric barrier discharge of 0.1 J. per pulse, up to 2000 pulse per second.
The article is devoted to the mathematical modeling of vacuum conductive timber drying. Analysis of known mathematical models allowed revealing their advantages and disadvantages. The modeling block diagram based on the drying periods is proposed. Lykov’s equations have been selected to solve heat and mass transfer problems. The comparison of experimental and calculated data has been conducted.
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