粉末活性炭在上海市饮用水处理中的应用

Application of Powdered Activated Carbon in Drinking Water Treatment in Shanghai City

粉末活性炭(PAC)吸附处理技术已经成为水处理中应急去除色度、嗅、味以及有机物的主要技术之一。简要介绍了PAC的吸附机理;从PAC的产品标准、投加方式、投加量的确定、PAC种类选择、投加位置的选择及相关注意事项等方面,系统总结了PAC的工程应用技术;上海市供水系统在取水头部和水厂头部均设置了PAC投加装置,在应急处置季节性藻类引起的嗅味及其他突发性水质污染问题时,发挥了重要作用,极大提高了上海市供水水质应急保障能力。

Powder activated carbon （ PAC） adsorption treatment technology has become one of the main techniques for emergency removal of chroma, odor,taste and organic matter in water treatment. Adsorption mechanism of PAC is briefly introduced. Engineering application technology of PAC from PAC’s product standard,dosing method,determination of dosage,selection of PAC type,selection of dosing position and related precautions are summarized. The heads of water intake and water plant of water supply system in Shanghai are provided with the dosage of PAC device to deal with the emergency caused by seasonal algae smell and other sudden water pollution problems, and it has played an important role, which greatly improves the emergency response capability of water supply in Shanghai.