Application of O3 and O3/H2O2 as post-treatment processes for color removal in swine wastewater from a membrane filtration system |
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| Affiliation: | 1. Department of Environmental Engineering, Yonsei University, 234 Maeji-ri, Heungeop-myeon, Wonju-si, Gangwon-do 220-710, Republic of Korea;2. Water Resources and Environmental Research Division, Korea Institute of Construction Technology, 2311, Deawha-dong, Ilsan-gu, Goyang-si, Gyeonggi-do 411-712, Republic of Korea;1. Plataforma Solar de Almería-CIEMAT, Carretera de Senés Km 4, 04200 Tabernas, Almería, Spain;2. CIESOL, Joint Centre of the University of Almería-CIEMAT, 04120 Almería, Spain;3. ICMC-IPROCOR, Instituto del Corcho, la Madera y el Carbón Vegetal, Mérida 06800, Badajoz, Spain;1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China;2. School of Chemistry and Chemical Engineering, Shihezi University, Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bintuan, Xinjiang, Shihezi 832003, PR China |
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| Abstract: | This study was aimed to evaluate the use of ozone (O3) alone and peroxone (a combination of ozone and hydrogen peroxide; O3/H2O2) as post-treatment processes for color removal in swine wastewater from a membrane filtration system. Results showed that the application of ozone-alone process or the peroxone process could reduce both capital and operating costs compared to reverse osmosis (RO) treatment. Of the two oxidation processes, the ozone-alone process was the most effective for treating nanofiltration (NF)-filtered wastewater, while the peroxone process was the most effective for treating ultrafiltration (UF)-filtered wastewater. |
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| Keywords: | Color removal Hydrogen peroxide Swine wastewater Ozone Membrane filtration |
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