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- W2583017396 abstract "Abstract Concern over smog and acid rain has created a need for innovative technologies that destroy or remove nitric oxide (NO) from many gas streams. One promising technology is the Non-Thermal Plasma Discharge (NTPD). Although NTPDs have been used to oxidize and reduce NO, previous studies found that these devices required a non-competitive amount of electrical energy input, preventing their wide-spread application. In this paper, we report on our experimental investigation into techniques to increase the efficiency of NTPDs. Specifically, two approaches were investigated. The first approach considered was the upstream injection of chemical additives. It is known that certain additives increase the chemical efficiency of desired reactions, thus reducing the required electrical energy. Several additives were tested, and their effect is summarized in this paper. It was found that upstream injection of ethanol in a diesel exhaust stream reduced the energy requirement from more than 150 electron volts (eV) per NO molecule oxidized to less than 20 eV per NO molecule oxidized. In addition, ethanol was found to produce no precipitate on the dielectrics that can lead to electrode failure. The second approach investigated was varying the dielectric material on a Double Dielectric Barrier Discharge (DDBD), a type of NTPD. Several dielectrics were tested and their effect is reported. It was found that, with the ethanol injection, using Teflon PFA instead of glass dielectrics reduces the energy requirement from approximately 22 eV per NO molecule oxidized to 17 eV per NO molecule oxidized. In addition, the Teflon PFA coated electrodes were more durable than typical glass electrodes. Techniques, experiments, and conclusions are presented in this paper." @default.
- W2583017396 created "2017-02-03" @default.
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- W2583017396 date "1997-01-01" @default.
- W2583017396 modified "2023-09-27" @default.
- W2583017396 title "Barrier Discharge Optimization for Nitric Oxide Destruction" @default.
- W2583017396 doi "https://doi.org/10.1515/jaots-1997-0216" @default.
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