페놀의 촉매오존산화 반응에 관한 연구
In this study AOPs of $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation and $O_3/MgO/UV$ radiation system for phenol treatment in aqueous solution was performed in a laboratory scale circulating batch reacter. Flow rate of ozone 1.0 L/min, ozone concentrations $150{\pm}10mg/L$ was maintained constantl...
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Published in | Daehan hwan'gyeong gonghag hoeji Vol. 33; no. 10; pp. 731 - 738 |
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Main Authors | , |
Format | Journal Article |
Language | Korean |
Published |
대한환경공학회
2011
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Online Access | Get full text |
ISSN | 1225-5025 2383-7810 |
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Abstract | In this study AOPs of $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation and $O_3/MgO/UV$ radiation system for phenol treatment in aqueous solution was performed in a laboratory scale circulating batch reacter. Flow rate of ozone 1.0 L/min, ozone concentrations $150{\pm}10mg/L$ was maintained constantly at the above-mentioned oxidation processes. During the oxidation processes the $COD_{Cr}$ and TOC was measured in the composition. The pseudo first-order rate constants of the processes was $5.12{\times}10^{-5}$, $1.19{\times}10^{-4}$ and $1.79{\times}10^{-4}sec^{-1}$, and the activation energy was 3.03, 1.79 and $2.32kcal{\cdot}mol^{-1}$ at $20^{\circ}C$, respectively. It was found that both $Mg(OH)_2$ and MgO had remarkable accelerations on degradation of phenol and removal of COD in water. On this basis, $O_3/MgO/UV$ system is an effective and feasible routes for catalytic ozonation of phenol in water. 본 논문에서는 실험실적 규모의 순환형 회분식 반응기에서 수용액상 phenol을 처리하기 위해 $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation 그리고 $O_3/MgO/UV$ radiation 고급산화공정(AOPs)에 대한 연구를 수행하였다. 오존의 유량은 1.0 L/min, 오존 농도를 $150{\pm}10mg/L$로 일정하게 유지 하였으며, 산화반응에 나타나는 $COD_{Cr}$ 및 TOC를 각각 측정하였다. $20^{\circ}C$에서 $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation 그리고 $O_3/MgO/UV$ radiation에 대한 유사 1차 반응속도 상수는 각각 $9.31{\times}10^{-5}sec^{-1}$, $1.19{\times}10^{-4}sec^{-1}$ 그리고 $1.79{\times}10^{-4}sec^{-1}$, 활성화 에너지는 각각 $3.03kcal{\cdot}mol^{-1}$, $1.79kcal{\cdot}mol^{-1}$ 그리고 $4.23kcal{\cdot}mol^{-1}$ 로 나타났다. 수용액상에서 $Mg(OH)_2$와 MgO가 phenol의 분해와 COD의 제거에 현저한 촉진작용을 나타낸다는 것을 확인하였다. 이러한 실험 결과에 기초하여 $O_3/MgO/UV$ 시스템이 수용액상 phenol을 처리하기 위한 효율적이고 용이한 방법임을 제시하였다. |
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AbstractList | 본 논문에서는 실험실적 규모의 순환형 회분식 반응기에서 수용액상 phenol을 처리하기 위해 O_3/UV radiation, O_3/Mg(OH)_2/UV radiation 그리고 O_3/MgO/UV radiation 고급산화공정(AOPs)에 대한 연구를 수행하였다. 오존의 유량은 1.0 L/min, 오존 농도를 150 ± 10 mg/L로 일정하게 유지 하였으며, 산화반응에 나타나는 COD_Cr 및 TOC를 각각 측정하였다. 20℃에서 O_3/UV radiation, O_3/Mg(OH)_2/UV radiation 그리고 O_3/MgO/UV radiation에 대한 유사 1차 반응속도 상수는 각각 9.31 × 10^-5 sec^-1, 1.19 ×10^-4 sec^-1 그리고 1.79 × 10^-4 sec^-1, 활성화 에너지는 각각 3.03 kcal․mol^-1, 1.79 kcal․mol^-1 그리고 4.23 kcal․mol^-1 로 나타났다.
수용액상에서 Mg(OH)_2와 MgO가 phenol의 분해와 COD의 제거에 현저한 촉진작용을 나타낸다는 것을 확인하였다. 이러한 실험결과에 기초하여 O_3/MgO/UV 시스템이 수용액상 phenol을 처리하기 위한 효율적이고 용이한 방법임을 제시하였다. In this study AOPs of O_3/UV radiation, O_3/Mg(OH)_2/UV radiation and O_3/MgO/UV radiation system for phenol treatment in aqueous solution was performed in a laboratory scale circulating batch reacter. Flow rate of ozone 1.0 L/min, ozone concentrations 150 ± 10 mg/L was maintained constantly at the above-mentioned oxidation processes. During the oxidation processes the COD_Cr and TOC was measured in the composition. The pseudo first-order rate constants of the processes was 5.12 × 10^-5, 1.19 × 10^-4 and 1.79 × 10^-4 sec^-1, and the activation energy was 3.03, 1.79 and 2.32 kcal․mol^-1 at 20℃, respectively. It was found that both Mg(OH)_2and MgO had remarkable accelerations on degradation of phenol and removal of COD in water. On this basis, O_3/MgO/UV system is an effective and feasible routes for catalytic ozonation of phenol in water. KCI Citation Count: 3 In this study AOPs of $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation and $O_3/MgO/UV$ radiation system for phenol treatment in aqueous solution was performed in a laboratory scale circulating batch reacter. Flow rate of ozone 1.0 L/min, ozone concentrations $150{\pm}10mg/L$ was maintained constantly at the above-mentioned oxidation processes. During the oxidation processes the $COD_{Cr}$ and TOC was measured in the composition. The pseudo first-order rate constants of the processes was $5.12{\times}10^{-5}$, $1.19{\times}10^{-4}$ and $1.79{\times}10^{-4}sec^{-1}$, and the activation energy was 3.03, 1.79 and $2.32kcal{\cdot}mol^{-1}$ at $20^{\circ}C$, respectively. It was found that both $Mg(OH)_2$ and MgO had remarkable accelerations on degradation of phenol and removal of COD in water. On this basis, $O_3/MgO/UV$ system is an effective and feasible routes for catalytic ozonation of phenol in water. 본 논문에서는 실험실적 규모의 순환형 회분식 반응기에서 수용액상 phenol을 처리하기 위해 $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation 그리고 $O_3/MgO/UV$ radiation 고급산화공정(AOPs)에 대한 연구를 수행하였다. 오존의 유량은 1.0 L/min, 오존 농도를 $150{\pm}10mg/L$로 일정하게 유지 하였으며, 산화반응에 나타나는 $COD_{Cr}$ 및 TOC를 각각 측정하였다. $20^{\circ}C$에서 $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation 그리고 $O_3/MgO/UV$ radiation에 대한 유사 1차 반응속도 상수는 각각 $9.31{\times}10^{-5}sec^{-1}$, $1.19{\times}10^{-4}sec^{-1}$ 그리고 $1.79{\times}10^{-4}sec^{-1}$, 활성화 에너지는 각각 $3.03kcal{\cdot}mol^{-1}$, $1.79kcal{\cdot}mol^{-1}$ 그리고 $4.23kcal{\cdot}mol^{-1}$ 로 나타났다. 수용액상에서 $Mg(OH)_2$와 MgO가 phenol의 분해와 COD의 제거에 현저한 촉진작용을 나타낸다는 것을 확인하였다. 이러한 실험 결과에 기초하여 $O_3/MgO/UV$ 시스템이 수용액상 phenol을 처리하기 위한 효율적이고 용이한 방법임을 제시하였다. |
Author | 우정훈(Jeong Hun Woo) 이철규(Cheal Gyu Lee) |
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Keywords | Phenol MgO Activation Energy sub> 2< Mg(OH)< 활성화에너지 고급산화공정 AOPs |
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Snippet | In this study AOPs of $O_3/UV$ radiation, $O_3/Mg(OH)_2/UV$ radiation and $O_3/MgO/UV$ radiation system for phenol treatment in aqueous solution was performed... 본 논문에서는 실험실적 규모의 순환형 회분식 반응기에서 수용액상 phenol을 처리하기 위해 O_3/UV radiation, O_3/Mg(OH)_2/UV radiation 그리고 O_3/MgO/UV radiation 고급산화공정(AOPs)에 대한 연구를 수행하였다. 오존의 유량은... |
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Title | 페놀의 촉매오존산화 반응에 관한 연구 |
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