Journal
IEEE TRANSACTIONS ON PLASMA SCIENCE
Volume 31, Issue 6, Pages 1285-1291Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2003.818761
Keywords
ambient pressure; concentration of ammonia; dielectric barrier discharge (DBD); synthesis of ammonia
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The plasma synthesis of ammonia has been studied in nitrogen-hydrogen plasma using a microgap dielectric barrier-discharge at ambient pressure. With the new technology of dielectric layers, the high-energy electrons are obtained in a narrow discharge gap; meanwhile, N-2 and H-2 molecules are ionized and dissociated and a large number of free atoms, ions, and radicals are formed in a nonequilibrium plasma after inelastic collisions. The final product was mainly ammonia, and the yield of ammonia reaches 12500 ppm (1.25%). In this way, plasma synthesis of ammonia at ambient pressure is realized and a new method is provided for inorganic synthesis.
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