生活污水處理工程

生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)(wu)水(shui)是居民日常生(sheng)(sheng)(sheng)(sheng)活(huo)中排出的廢水(shui)，主(zhu)要來(lai)源于居住(zhu)(zhu)建筑和公(gong)共建筑，如住(zhu)(zhu)宅、機(ji)關、學校、醫院、商店、公(gong)共場所及工業企(qi)業衛生(sheng)(sheng)(sheng)(sheng)間等(deng)。生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)(wu)水(shui)所含(han)的污(wu)(wu)(wu)染(ran)物(wu)主(zhu)要是有機(ji)物(wu)(如蛋白質、碳(tan)水(shui)化(hua)合物(wu)、脂肪(fang)、尿素、氨氮等(deng)) 和大量病(bing)原微(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(如寄生(sheng)(sheng)(sheng)(sheng)蟲卵和腸道(dao)傳(chuan)染(ran)病(bing)毒等(deng))。存在于生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)(wu)水(shui)中的有機(ji)物(wu)極(ji)不穩(wen)定，容(rong)易腐化(hua)而產生(sheng)(sheng)(sheng)(sheng)惡(e)臭。細菌和病(bing)原體以(yi)生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)(wu)水(shui)中有機(ji)物(wu)為(wei)營養(yang)而大量繁(fan)殖(zhi)，可導致傳(chuan)染(ran)病(bing)蔓(man)延流行(xing)。因此(ci)，生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)(wu)水(shui)排放前必須進(jin)行(xing)處理。

常見生活污水處理流程如下：