Operation of industrial-scale electron beam wastewater treatment plant |
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| Authors: | Bumsoo Han Jin Kyu Kim Yuri Kim Jang Seung Choi Kwang Young Jeong |
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| Institution: | 1. Department of Environmental Microbiology, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany;2. Leibniz Institute of Surface Modification (IOM), 04318 Leipzig, Germany;3. Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstrasse 15, 04318 Leipzig, Germany;4. Department of Civil Engineering, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada |
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| Abstract: | Textile dyeing processes consume large amount of water, steam and discharge filthy and colored wastewater. A pilot scale e-beam plant with an electron accelerator of 1 MeV, 40 kW had constructed at Daegu Dyeing Industrial Complex (DDIC) in 1997 for treating 1,000 m3 per day. Continuous operation of this plant showed the preliminary e-beam treatment reduced bio-treatment time and resulted in more significant decreasing TOC, CODCr, and BOD5. Convinced of the economics and efficiency of the process, a commercial plant with 1 MeV, 400 kW electron accelerator has constructed in 2005. This plant improves the removal efficiency of wastewater with decreasing the retention time in bio-treatment at around 1 kGy. This plant is located on the area of existing wastewater treatment facility in DDIC and the treatment capacity is 10,000 m3 of wastewater per day. The total construction cost for this plant was USD 4 M and the operation cost has been obtained was not more than USD 1 M per year and about USD 0.3 per each m3 of wastewater. |
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