【摘要】 为了进一步提高水质处理效果,采用强化混凝超滤的组合工艺对湖水进行处理,考察该组合工艺对有机物的去除效能,及影响有机物去除效能的因素。试验结果表明:①强化混凝超滤组合工艺对原水浊度的去除效果较好,对TOC和UV254的去除效果也明显优于传统水处理工艺;②原水中UV254含量的波动,对UV254的去除率和滤后水UV254含量影响并不大。原水中TOC含量的波动,对TOC的去除率有很大的影响,对滤后水TOC含量的影响并不大。TOC的去除率普遍高于UV254的去除率;③根据原水和滤后水SUVA值的变化发现,强化混凝超滤组合工艺对亲水性有机物的去除率大于该工艺对疏水性有机物的去除率。在一定范围内,pH的变化对TOC和UV254去除率变化趋势相反。更多还原

【Abstract】 In order to improve the water treatment quality,enhanced coagulation ultrafiltration processes were employed to treat lake water.The research studies the removal efficiency of organic matters in the combined processes and the influence factors which affect the removal of organic matters.The results show that:(1) the removal efficiency of turbidity is very high,and the TOC and UV254 removal efficiency is better than that in traditional treatment process;(2) the removal efficiency and the amount of UV254 are not sensitive to the variations of UV254 of raw water.The removal efficiency of TOC is significantly affected by the TOC of raw water,and the TOC concentration after ultrafiltration is not sensitive to the TOC of raw water.The removal efficiency of TOC is higher than that of UV254;(3) the removal efficiency of hydrophilic organic matter is higher than that of hydrophobic organic matters in enhanced coagulation ultrafiltration processes based on the variations of SUVA in raw water and after ultrafiltration.The variation of pH is opposite with the removal efficiency of TOC and UV254 to some extent.更多还原