生活污水處理工程

生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)是(shi)居民日常生(sheng)(sheng)(sheng)活(huo)(huo)中排(pai)(pai)出(chu)的廢水(shui)(shui)，主要來(lai)源于居住建筑和公共建筑，如住宅、機(ji)關、學校、醫院、商店、公共場所及工業(ye)企業(ye)衛生(sheng)(sheng)(sheng)間等。生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)所含的污(wu)染物(wu)(wu)(wu)(wu)主要是(shi)有(you)機(ji)物(wu)(wu)(wu)(wu)(如蛋白質、碳(tan)水(shui)(shui)化合物(wu)(wu)(wu)(wu)、脂肪、尿(niao)素、氨氮等) 和大(da)量病(bing)(bing)(bing)原(yuan)微生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(如寄生(sheng)(sheng)(sheng)蟲卵(luan)和腸道傳染病(bing)(bing)(bing)毒等)。存在于生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)中的有(you)機(ji)物(wu)(wu)(wu)(wu)極不穩(wen)定，容(rong)易腐化而產生(sheng)(sheng)(sheng)惡臭。細菌和病(bing)(bing)(bing)原(yuan)體以(yi)生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)中有(you)機(ji)物(wu)(wu)(wu)(wu)為(wei)營(ying)養而大(da)量繁殖，可(ke)導致傳染病(bing)(bing)(bing)蔓延(yan)流行(xing)。因(yin)此(ci)，生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)排(pai)(pai)放前必須(xu)進(jin)行(xing)處理。

常見生活污水處理流程如下：