오존접촉산화 공정과 Peroxone AOP 공정을 이용한 염색폐수방류수 고도산화 처리특성 연구
Study on Treatment Characteristic of Advanced Oxidation Process using Ozone Oxidation and Peroxone AOP Process for Waste Dyeing Water Effluent Treatment
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efficiency for both processes was obtained at pH 7.5. In case of ozone oxidation process, the efficiencies of color,COD_(Mn) and BOD_5 removal were measured to 93%, 70% and 89% at a reaction time of 50 min(ozone dosage of 111.67mg/ℓ). When reaction time increased to 90 min(ozone dosage of 201mg/ℓ), the efficiencies of color, COD_(Mn), and BOD_5 removal were increased by 3~5 %, indicating that the increment of removal efficiency was insignificant considering longer reaction time. Similarly, the ozone/H_2O_2 ratio was optimized to 0.5 for peroxone AOP process. Removal efficiencies of color, COD_(Mn) and BOD_5 were measured 95%, 81% and 94% at a reaction time of 50 min(ozone dosage of 111.67mg/ℓ). When reaction time increased to 90min(ozone dosage of 201mg/ℓ), the removal efficiency of color, COD_(Mn), and BOD_5 increased slightly by 1~5%.
Abstract
efficiency for both processes was obtained at pH 7.5. In case of ozone oxidation process, the efficiencies of color,COD_(Mn) and BOD_5 removal were measured to 93%, 70% and 89% at a reaction time of 50 min(ozone dosage of 111.67mg/ℓ). When reaction time increased to 90 min(ozone dosage of 201mg/ℓ), the efficiencies of color, COD_(Mn), and BOD_5 removal were increased by 3~5 %, indicating that the increment of removal efficiency was insignificant considering longer reaction time. Similarly, the ozone/H_2O_2 ratio was optimized to 0.5 for peroxone AOP process. Removal efficiencies of color, COD_(Mn) and BOD_5 were measured 95%, 81% and 94% at a reaction time of 50 min(ozone dosage of 111.67mg/ℓ). When reaction time increased to 90min(ozone dosage of 201mg/ℓ), the removal efficiency of color, COD_(Mn), and BOD_5 increased slightly by 1~5%.
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