油田采出水中萘和芴的紫外光催化和·OH氧化降解过程影响因素与条件优化分析

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PHOTOCATALYTIC OXIDATION OF NAPHTHALENE AND FLUORINE IN OILFIELD PRODUCED WATER AND FACTORS AND CONDITIONS OPTIMIZATION ANALYSIS OF THE HYDROXYL RADICAL OXIDATION DEGRADATION PROCESS

摘要: 在UV/H2O2和UV/Ti O2/H2O2两大氧化体系中,利用·OH的氧化原理,研究了不同影响因素(UV波长、p H、H2O2)对油田采出水中多环芳烃萘和芴降解效率的影响,找出处理萘和芴的最佳优化条件和组合。对萘和芴而言,UV/H2O2体系下双氧水的最佳条件分别为0.001,0.1 mol,UV/Ti O2/H2O2的优化组合是UVC,p H=8.5,O3=10g/L。实验结果表明:与UV/H2O2相比,UV/Ti O2/H2O2对油田采出水中的多环芳烃萘和芴的降解效果好。
- 蚯蚓 /
- 土壤填料 /
- 生态滤池 /
- 生活污水 /
- 适应性
Abstract: The paper makes use of the principle of hydroxyl radical and studies degradation efficiency of polycyclic aromatic hydrocarbons naphthalene and fluorene with the different factors ( UV wavelength，pH and H2O2 ) under the UV/H2O2 and UV/TiO2 /H2O2 oxidation systems． The results showed the best condition and combination． For naphthalene and fluorene，the best condition of UV/H2O2 system was H2O2 = 0. 001 mol or 0. 1 mol． The best conditions of the UV/TiO2 /H2O2 system was UVC，pH = 8. 5，ρ( H2O2 ) = 10 g /L． The experimental results showed that the UV/TiO2 /H2O2 was better for the degradation effect of naphthalene and fluorene in oilfield produced water than UV/H2O2 ．
- UV/H2O2 /
- UV/TiO2 /H2O2 /
- polycyclic aromatic hydrocarbons /
- produced water /