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年度	110	專案性質	實驗性質
專案類別	研究專案	研究主題	整治
申請機構	國立中山大學	申請系所	環境工程研究所
專案主持人	黃柏榮	職等/職稱	助理教授
專案中文名稱	開發氫氧自由基流體化床處理油污染土壤
中文關鍵字	氫氧自由基, 流體化床, 土壤污染處理, 總石油碳氫化合物分解
專案英文名稱	Develop Hydroxyl-Radical-Based Fluidized Bed Reactor for Oil-Contaminated Soil Remediation
英文關鍵字	hydroxyl radical, fluidized Bed, oil-contaminated remediation, TPH degradation
執行金額	500,000元
執行期間	2021/3/1 至 2022/2/28
計畫中文摘要	本研究欲透過氫氧自由基奈米水技術以流體方式藉由流體化床型式達到充分反應氧化附著於土壤中之油品。在本期末報告的部分主要針對芬頓法及類芬頓法模擬及評估氫氧自由基數量對於柴油及燃料油之去除效率，透過EPR及HPLC分析結果可以觀察到氫氧自由基會隨著反應物濃度增加而增加，而當氫氧自由基濃度過高時，反而會造成自行淬滅；對於柴油去除料效率而言，數量超過1012個氫氧自由基於三小時左右可以達到82.69%降解效率，而對於燃料油而言，需要提升氫氧自由基濃度及處理時間才能有效提升降解效率，最高可達86.83%。本研究觀察到持續供給氫氧自由基可利於長碳鏈油品的降解，流體化床系統則證實電極反應需添加亞鐵離子作為其餘過氧化氫的催化物，可提升去除率，而電極與芬頓法輔助操作，去除貢獻率可達65.9%。 在未來可使用流體化床的方式，增加電極以及將土壤散在水中以氣泡床進行離地處理，來達到土壤整治的目的。
計畫英文摘要	The main idea is to use air containing hydroxyl radical as fluid and oil-contaminated soil as filler. This interim report is to estimate the removal efficiency of diesel and fuel oil using different concentration of hydroxyl radicals. Based on the result from EPR and HPLC, the concentration of hydroxyl radical would increase as following the concentration of reactants. However, the excess hydroxyl radical would react with itself resulting in reducing oxidation activity. Over 1012 amount of hydroxyl radical would achieve 82.69% of removal rate for diesel in 3 hours. While the decomposition of fuel oil required higher hydroxyl radical amount and longer time and the maximum conversion rate reached 86.83%. We observed that the continuous supply of hydroxyl radicals can be beneficial to the degradation of long carbon chain oils. The fluidized bed system confirmed that the electrode needs to add ferrous ions as the catalyst for the remaining hydrogen peroxide, which can improve the removal rate. The Fenton method is used to assist the operation, and the removal contribution rate can reach 65.9%. In the future, the method of fluidized bed can be used to increase the electrode and disperse the soil in water for off-the-ground treatment with a bubble bed to achieve the purpose of soil remediation.