Degradation of persistent pharmaceuticals in aqueous solutions by a positive dielectric barrier discharge treatment
- Degradation of persistent pharmaceuticals in aqueous solutions by a positive dielectric barrier discharge treatment
- Holger Krause; Bianca Schweiger; Eckhard Prinz; Jungtae Kim; Ute Steinfeld
- Carbamazepine; Clofibric acid; lopromide; Water treatment; Landfill leachate
- Issue Date
- Journal of electrostatics
- VOL 69, NO 4, 333-338
- The degradation of the pharmaceuticals carbamazepine, clofibric acid, and iopromide in aqueous and
landfill leachate containing solutions by corona discharge over a liquid surface was investigated. Two
barrier electrodes, which provided an atmospheric pressure corona, were mounted above a transport
roll, which moved a thin water film of test solution from the sample reservoir. Numerous tests were
performed on single, mixed, and landfill leachate containing solutions with various combinations of
powers, rotational speeds, air gaps, and exhaust restrictions. Best results were obtained with the highest
rotational speed, a reduced exhaust, and an electrode air gap of 1.5 mm.
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