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http://dx.doi.org/10.5322/JES.2011.20.3.291

Reclamation of Effluent Textile Wastewater Using Micro/nano Bubbles-Dissolved Ozone Flotation Process  

Jung, Byung-Gil (Department of Environmental Engineering, Dong-Eui University)
Lee, Ki-Hyung (Suyeong Busan Metropolitan)
Jung, Jin-Hee (Department of Environmental Engineering, Dong-A University)
Jang, Seong-Ho (Department of Regional Environmental System Engineering, Pusan National University)
Cho, Do-Hyun (Negatron Co., Ltd.)
Sung, Nak-Chang (Suyeong Busan Metropolitan)
Publication Information
Journal of Environmental Science International / v.20, no.3, 2011 , pp. 291-299 More about this Journal
Abstract
The main objectives of this research are to investigate characteristics of ozone solubility due to low solubility of conventional bubbles-ozone generators, evaluate the treatment characteristics of reclaiming textile wastewater for industrial water by means of micro/nano bubbles-dissolved ozone flotation(MNB-DOF) process. The textile wastewater used in this research was obtained from final effluent of the textile wastewater in B city. There is a 400L reactor which consists of a micro-nano bubble system and a ozone generator for experiments. As a result of generating micro-nano bubbles (below $0.5{\mu}m$) by using of MNB-DOF process, it improved ozone solubility due to higher ozone transfer rates. Consequently, the shorter ozonation time clearly indicates the lower power costs. The reported results clearly indicated that MNB-DOF process can be effectively and inexpensively. Results of the experiments through MNB-DOF process in this study satisfy all reclaiming standards as industrial water: pH 6.5~8.5, SS 10 mg/L or below, $BOD_5$) 6 mg/L or below, turbidity 10 NTU or below, Coliforms 1,000/100 mL or below. Therefore there is a possibility of the reclaiming of the textile wastewater as industrial water.
Keywords
Conventional bubbles; Dissolved ozone flotation; Effluent textile wastewater; Industrial water; Micro/nano bubbles; Reclamation; Ozonation;
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Times Cited By KSCI : 1  (Citation Analysis)
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