Biodegradability enhancement of textile wastewater by electron beam irradiation |
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| Institution: | 1. Department of Microbiology, Nicolaus Copernicus University in Toruń, Collegium Medicum of L. Rydygier in Bydgoszcz, 9 M. Skłodowskiej-Curie St., 85-094 Bydgoszcz, Poland;2. Department of Microbiology and Food Technology, University of Technology and Life Sciences in Bydgoszcz, 6 Bernardyńska St., 85-029 Bydgoszcz, Poland;3. Department of Animal Hygiene and Microbiology of the Environment, University of Technology and Life Sciences in Bydgoszcz, 28 Mazowiecka St., 85-084 Bydgoszcz, Poland;4. Department of Virology, National Institute of Public Health - National Institute of Hygiene, 24 Chocimska St., 00-791 Warsaw, Poland;5. Center of Research and Radiation Technology, Institute of Nuclear Chemistry and Technology, 16 Dorodna St., 03-195 Warsaw, Poland;6. Institute of Telecommunications and Computer Science, University of Technology and Life Sciences in Bydgoszcz, 7 Kaliskiego St., 85-796 Bydgoszcz, Poland;1. EB TECH Co., Ltd., 550 Yongsan-dong, Yuseong-gu, Daejeon 305-500, Republic of Korea;2. Korea Dyeing Technology Center, 404-2 Pyungri-dong, Daegu 703-010, Republic of Korea;3. Kongju National University, Shingwan-dong, Gongju 314-701, Republic of Korea;1. Hot Laboratory and Waste Management Center (HLWMC), Atomic Energy Authority, P.O. Box 13758, Inshas, Cairo, Egypt;2. Department of Polymer, National Center for Radiation Research and Technology(NCRRT), Atomic Energy Authority, Nasr City, P.O. Box 19, Cairo, Egypt;1. Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, UK;2. Gray Laboratories, Department of Oncology, Cancer Research UK and Medical Research Council Oxford Institute for Radiation Oncology, Old Road Campus Research Building, Roosevelt Drive, Oxford OX3 7DQ, UK;3. Interface Analysis Centre, Oldbury House, 121 St. Michael''s Hill, Bristol BS2 8BS, UK;1. Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, 100084, China;2. Dasheng Electron Accelerator Device Co., Ltd., China Guangdong Nuclear Group, Suzhou, Jiangsu, 215214, China;1. Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, 100084, PR China;2. Beijing Key Laboratory of Radioactive Wastes Treatment, Tsinghua University, Beijing, 100084, PR China;3. State Key Joint Laboratory of Environment Simulation and Pollution Control, Tsinghua University, Beijing, 100084, PR China |
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| Abstract: | Textile wastewater generally contains various pollutants, which can cause problems during biological treatment. Electron beam radiation technology was applied to enhance the biodegradability of textile wastewater for an activated sludge process. The biodegradability (BOD5/COD) increased at a 1.0 kGy dose. The biorefractory organic compounds were converted into more easily biodegradable compounds such as organic acids having lower molecular weights. In spite of the short hydraulic retention time (HRT) of the activated sludge process, not only high organic removal efficiencies, but also high microbial activities were achieved. In conclusion, textile wastewater was effectively treated by the combined process of electron beam radiation and an activated sludge process. |
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