High voltage discharge for degradation of organic contaminants in water
Panorel, Iris Cherry (2008)
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Panorel, Iris Cherry
The pulsed dielectric barrier discharge (PDBD) and pulsed corona discharge (PCD) were compared for their efficiency to degrade phenol in water solution. Results show that PCD has higher efficiency than PDBD to degrade phenol. When initial pH of water solution was elevated, phenol degradation in the PCD reactor was significantly enhanced, although no considerable effect was seen in the PDBD reactor. The PCD reactor was also able to degrade lignin significantly, both in synthetically prepared solution and in pulp and paper mill wastewater. Water temperature did not affect phenol degradation; however, lignin was better oxidized at lower temperature.