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Research on Waste Water Purification by Ozone Treatment and Pulsed Discharge Treatment
-
Yoshiaki Suda
,
Hiroharu Kawasaki
Published/Copyright:
November 30, 2016
Abstract
Ozone treatment and high-voltage pulsed discharge treatment have been performed to purify waste water at several places of sedimentation tanks in Sasebo city. Experimental results suggest that ozone treatment is effective for decreasing the number of colon bacillus and the bacteria count; however, ozone treatment is not very effective for decreasing chemical oxygen demand (COD). Pulsed discharge treatment is not very effective for decreasing both bacteria count and COD. On the other hand, ozone treatment together with pulsed discharge treatment is effective for decreasing not only bacteria count, but also COD. This may be due to the effect of hydroxyl radicals that have stronger oxidizing and bleaching effects than ozone. These results suggest that advanced oxidation processes can be applied effectively to ozone treatment together with pulsed discharge treatment.
Received: 2005-12-30
Revised: 2006-1-30
Published Online: 2016-11-30
Published in Print: 2006-7-1
© 2016 by Walter de Gruyter Berlin/Boston
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Articles in the same Issue
- Preface
- Power Supply Systems of Ozone Generators with Magnetic Frequency Multipliers
- Simultaneous Decomposition of Diesel Particulate Material and NOx Using Dielectric Barrier Discharge
- Phenol Oxidation in Aqueous Solution by Gas Phase Corona Discharge
- LIF Observation of Ground-State OH Radicals in DC Nozzle-to-Plane Positive Streamer Corona
- Measurement of Low Gas Concentration Using Photonic Bandgap Fiber
- A Study on a Diode-Bridge Type Differential Capacitance Detection Circuit
- Microwave Reactor for Nitrous Oxide Processing
- Volume-Surface Discharge as an Ion Source for Plasma Technologies
- Development of Agricultural Soil Sterilization Using Ozone Generated by High Frequency Dielectric Barrier Discharge
- Modeling of the Temperature Distribution in Arc Discharge Plasma Reactor
- Arc Plasma Reactor Power System with 5-Limb Transformer
- Discharge Plasma Characteristics in Pure Ar Gas at Multi-Atmospheric Pressure Using the Automatically Pre-Ionized Plasma Electrode
- A New Type of Reactor with a Combination of Surface Discharge and Advanced Oxidation Process in Air and its Applications
- Study of a Wide Area Carbon Nanotubes Preparation for an Environmental Application
- Research on Waste Water Purification by Ozone Treatment and Pulsed Discharge Treatment
- Energetic of the Oxidation of NOx by Ozone Using a Simple Molecular Model in a Computational Chemistry Scheme
- Analysis of Acoustic Signal in the MICRO Discharges Using Continuous Wavelet Transform
- Plasma-catalytic Conversion of Methane by DBD and Gliding Discharges
- Investigation of Hot Gas Mixture Free Jet
- Piezoelectrical Properties of Plasma Layers Zn-Bi-O
- Modification of Polymer Surfaces Using Atmospheric Pressure Barrier Discharges
- Influence of Silicon, Oxygen and Nitrogen Admixtures Upon the Properties of Plasma Deposited Amorphous Diamond-Like Carbon Coatings
- Thin Films Deposited from Trimethylmethoxysilane
