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利用间歇减压蒸发系统测试其对饮用水中常见污染物质的去除效果。蒸发系统控制真空泵开停时间分别为10 min,系统压力为-60 kPa,蒸发温度为78℃。结果表明,间歇减压蒸发过程对无机盐类有很好的去除效果,出水中的无机物含量均小于的GB5749-2006规定;间歇蒸发过程对有机物的去除效率也较高,但是有机物出水含量是否符合GB5749-2006要求仍需依据有机物的种类和性质而定。因此,为保证出水的饮用安全,建议对含有有机污染物的原水进行预处理或后续处理。
The use of intermittent vacuum evaporation system to test its removal of common pollutants in drinking water. Evaporation system control the vacuum pump on-off time was 10 min, the system pressure is-60 kPa, the evaporation temperature is 78 ℃. The results show that the intermittent vacuum evaporation process has a good effect on the removal of inorganic salts, the effluent of inorganic substances are less than the provisions of GB5749-2006; Batch evaporation process of organic removal efficiency is high, but the organic matter content is In line with GB5749-2006 requirements still need to be based on the type and nature of organic matter may be. Therefore, in order to ensure drinking water safety, it is recommended to pre-treat or follow-up the raw water containing organic pollutants.