Degradation of Disperse Blue 2BLN Dye Wastewater by Pulsed Corona Discharge Combined with Ozone Process

Hong Ai Zheng; Jian She Liu; Li Li Pan

doi:10.4028/www.scientific.net/AMR.610-613.2063

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 610-613Degradation of Disperse Blue 2BLN Dye Wastewater...

Degradation of Disperse Blue 2BLN Dye Wastewater by Pulsed Corona Discharge Combined with Ozone Process

Abstract:

Waste water discharged from dye plant contains high sanity ,high chroma and high CODcr (Chemical Oxygen Demand), commonly used biodegradation is often limited in application; As a new efficient advanced oxidation, pulsed corona discharge combining with ozone is attracting more and more attention. A special reactor was designed, in addition, the removal of COD and decoloration of stimulant dye wastewater containing disperse blue 2BLN dye (100mg/L) by pulsed corona discharge combining with ozone were investigated . It showed that in alkaline solution, the maximum COD removal and decoloration rate(58.8% and 99.1%) was observed ,which demonstrated that ozone and pulsed discharge was more efficient on COD removal and decolouration in alkalin than in neutral solution when all the samples were treated for13mins. After being treated, B/C increased from 0.2 to 0.45. Decoloration efficiency and COD removal could be improved obviously when oxygen feed increased from 40 to80L /h，yet further increase in oxygen feed led to a markedly decrease of decolouration efficiency and COD removal.

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Periodical:

Advanced Materials Research (Volumes 610-613)

Pages:

2063-2067

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.610-613.2063

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Online since:

December 2012

Authors:

Hong Ai Zheng, Jian She Liu, Li Li Pan

Keywords:

Decoloration, Disperse Blue 2BLN Dye, Ozone, Pulsed Corona Discharge

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