Journal
ENVIRONMENTAL ENGINEERING SCIENCE
Volume 23, Issue 6, Pages 1033-1043Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/ees.2006.23.1033
Keywords
plasma; gliding arc; CO2; reaction kinetics; conversion
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Decomposition of carbon dioxide (CO2) by gliding arc plasma was examined. The plasma device consisted of two or four triangular stainless steel plates. The gas enters through a nozzle tube from the upper part of the cylindrical reactor and exits at the bottom part of the reactor. Some additional gases, such as N-2, O-2, air, and H2O, have been used to study the dilution effects on CO2 conversion. A simple kinetic reaction model was developed to investigate the pathways of plasma reaction. Experimental results indicate that the conversion of pure CO2 reaches 18% at the total gas flow rate of 0.85 L/min and produces CO and O-2 as the final products. The effects of additional gases injection are described in detail in this paper.
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