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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。
Under the oxidation of UV / H2O2 and UV / Ti O2 / H2O2, the degradation of PAHs naphthalene and fluorene in oilfield water by different influencing factors (UV wavelength, p H, H2O2) Efficiency, identify the best conditions and combinations for handling naphthalene and fluorene. For naphthalene and fluorene, the optimum conditions of UV / H2O2 system hydrogen peroxide were 0.001, 0.1 mol, UVC, UV2 / H2O2 optimal combination is UVC, p H = 8.5, O3 = 10g / The experimental results show that compared with UV / H2O2, UV / Ti O2 / H2O2 has good degradation effect on PAHs naphthalene and fluorene in the produced water.