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由于灰水污染物浓度较低,水量占比大,约占家庭生活污水总量的75%左右,容易实现灰水处理与再生利用,因此研究灰水回用技术具有重要的现实意义。综述了不同地区的灰水水量和水质特点,总结分析了过滤、人工湿地、膜生物反应器等不同处理技术对灰水的处理效果。结果表明,灰水的产生量受生活方式、气候条件等因素影响。灰水中的污染物主要与使用的洗涤剂类型有关,并受到其他家庭活动的影响。人工湿地和过滤技术能有效去除灰水中的污染物,是较适宜的灰水处理技术。当前国内外更多的关注了单项处理技术对灰水中污染物的去除效果,未来应该结合灰水的水量水质特点研发针对不同回用目标的灰水处理组合工艺,研究灰水中微污染物去除技术,确保公众健康。
Abstract：As the pollutant concentration in grey water is lower with large proportion of water amount, while it accounts for about 75% of the total domestic wastewater, it is easy to be treated and recycled, thus the study on the grey water recycling technology has an important practical significance. The grey water amount and its quality characteristics in different regions are reviewed herein, while the grey water treatment effects from various treatment technologies, such as filtration, constructed wetland, membrane bioreactor, etc., are summarized and analyzed as well. The result shows that the yield of grey water is affected by the factors of life-style, climate condition, etc. The pollutants in grey water are mainly related to the used types of detergent and affected by the other family activities. The constructed wetland and filtration technologies can effectively remove the pollutants in grey water, which are more suitable for the treatment of grey water. At present, more attentions are paid to the removal effects from single treatment technologies on the pollutants in grey water at home and abroad, thus the combined grey water treatment technologies for various recycling targets are necessary to be developed in accordance with the characteristics of both the quality and the quantity of grey water, while the technologies for removing the micro-pollutants in grey water are necessary to be studied as well in the days to come, so as to ensure the public health.
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基本信息:
DOI：10.13928/j.cnki.wrahe.2019.08.019
中图分类号:X703
引用信息:
[1]刘玲花,张盼伟,李昆,等.灰水处理及回用技术研究综述[J].水利水电技术,2019,50(08):146-153.DOI:10.13928/j.cnki.wrahe.2019.08.019.
基金信息:
中国水利水电科学研究院基本科研业务费专项(WE0145B062017)
2019-07-01
2019-07-01
2019-07-01