淮安市涟水县第五水厂工艺设计文献综述
摘要：给水处理的目的是通过必要的处理方法去除水中的杂质，使处理后的水质满足用户的需求。随着城市规模的不断扩大，水污染问题日益严重，并随着人们对饮水健康安全问题的不断重视，传统的工艺已经很难能够保证现如今的水质安全。为了以更高效率保证出水水质，本文介绍了目前常用的水处理工艺，并对我国新的给水处理工艺方向提出了一些建议。
关键词：饮水健康安全；给水处理工艺；出水水质
Literature Review on the Design of the Fifth Waterworks in Lianshui County, Huai#39;an City
Yu Yiping
(College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China)
Abstract:The purpose of water supply treatment is to remove impurities in water through necessary treatment methods, so that the treated water quality can meet the needs of users. With the increasing scale of the city, the problem of water pollution is becoming more and more serious, and with the continuous attention to the problem of drinking water health and safety, the traditional technology has been difficult to ensure the safety of water quality today. In order to ensure the effluent quality with higher efficiency, this paper introduces the current commonly used water treatment process, and puts forward some suggestions on the new process direction of water supply treatment in China.
Key words: drinking water health and safety; water treatment process; effluent quality;
0引 言
给水厂传统的混凝、沉淀、过滤和消毒水工艺处理技术，是为了处理粘土胶体微粒、悬浮物和治病细菌等杂质。混凝是向原水中投加混凝剂，使水中难以自然沉淀分离的悬浮物和胶体颗粒互相聚合，形成大颗粒的絮体。沉淀是将混凝后形成的大颗粒絮体通过重力分离。过滤则是利用颗粒状滤料截留经沉淀后出水中残留的颗粒物，进一步去除水中杂质，降低水中的混浊度。过滤之后采用消毒方法来灭活水中致病微生物，从而保证饮用水的卫生安全性。
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