Coupled Sliding Discharges: A Scalable Nonthermal Plasma System Utilizing Positive and Negative Streamers on Opposite Sides of a Dielectric Layer

作者: Muhammad Arif Malik , Chunqi Jiang , Shirshak K. Dhali , Richard Heller , Karl H. Schoenbach

DOI: 10.1007/S11090-014-9528-2

关键词: PlasmaAnalytical chemistryMoleculeElectrodeNonthermal plasmaStackingShielded cableOzoneChemistryDielectric layer

摘要: A nonthermal plasma system based on simultaneously formed positive and negative streamers either side of a dielectric layer is described. The coupled sliding discharge (CSD) reactor this concept was found to be scalable by stacking operating multiple electrode assemblies in parallel, similarly the shielded (SSD) reported earlier. comparison two systems showed that although energy density CSD lower, efficiency for NO conversion ozone synthesis from dry air were significantly higher. cost 50 % removal ~30 eV/molecule compared ~60 case SSD under same conditions 330 ppm initial concentration air. decreased ~12 both cases when mixed with plasma-activated at outlet utilize i.e., indirect treatment. yield generation ~70 g/kWh, comparable systems. results show CSD, as SSDs, allows construction compact, efficient reactors.

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