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首页> 外文会议>ICCE 2011;International Conference on informatics, cybernetics, and computer engineering >Influence of TiO_2/PVDF Membrane Catalyzed Ozonation of Ammonia Wastewater
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Influence of TiO_2/PVDF Membrane Catalyzed Ozonation of Ammonia Wastewater

机译：TiO_2 / PVDF膜催化氨废水的臭氧化影响

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The TiO_2 entrapped PVDF membranes (TiO_2/PVDF) were prepared by adding different amounts of TiO_2 particles into the casting solution. The catalytic property of TiO_2/PVDF membranes was investigated with removing high concentration of ammonia wastewater. Several factors of removal rate of ammonia were investigated, such as crystal of TiO_2, ozone dosage, catalyst dosage, residence time, pH value and reaction temperature. The results showed that the rutile TiO_2 has optimum removal effect for ammonia. Increasing the ozone dosage can increase the removal rate of ammonia either in ozonation alone or catalyzed ozonation. The removal rate of ammonia increased with the amount of TiO_2/PVDF membrane dosage, while it has no significant change when the membrane dosage was above 1 g/L. The optimum pH value is about 9.1 The result indicated that 20°C was an optimum temperature.
机译：通过将不同量的TiO_2颗粒加入到流延溶液中来制备TiO_2包裹的PVDF膜（TiO_2 / PVDF）。研究了去除高浓度氨水废水中TiO_2 / PVDF膜的催化性能。研究了氨气去除速率的一些因素，如TiO_2的晶体，臭氧用量，催化剂用量，停留时间，pH值和反应温度。结果表明，金红石型TiO_2对氨的去除​​效果最佳。增加臭氧剂量可以提高单独臭氧化或催化臭氧化中氨的去除率。氨气的去除率随着TiO_2 / PVDF膜剂量的增加而增加，而当膜剂量大于1 g / L时，氨的去除率没有明显变化。最适pH值为约9.1。结果表明20℃为最适温度。

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