生活污水處理工程

生(sheng)(sheng)活(huo)污(wu)水(shui)是(shi)居(ju)民日常(chang)生(sheng)(sheng)活(huo)中(zhong)(zhong)排出的廢水(shui)，主(zhu)(zhu)要來源于居(ju)住(zhu)建(jian)筑和(he)公(gong)(gong)共(gong)建(jian)筑，如住(zhu)宅、機(ji)關、學校、醫院、商店、公(gong)(gong)共(gong)場(chang)所(suo)及工業(ye)(ye)企業(ye)(ye)衛生(sheng)(sheng)間等。生(sheng)(sheng)活(huo)污(wu)水(shui)所(suo)含的污(wu)染物(wu)主(zhu)(zhu)要是(shi)有(you)機(ji)物(wu)(如蛋(dan)白質、碳水(shui)化(hua)合物(wu)、脂肪、尿素、氨氮等) 和(he)大量(liang)病(bing)(bing)原微生(sheng)(sheng)物(wu)(如寄生(sheng)(sheng)蟲卵和(he)腸道傳染病(bing)(bing)毒等)。存在于生(sheng)(sheng)活(huo)污(wu)水(shui)中(zhong)(zhong)的有(you)機(ji)物(wu)極不(bu)穩定，容易腐化(hua)而產生(sheng)(sheng)惡(e)臭(chou)。細菌(jun)和(he)病(bing)(bing)原體以生(sheng)(sheng)活(huo)污(wu)水(shui)中(zhong)(zhong)有(you)機(ji)物(wu)為(wei)營(ying)養而大量(liang)繁殖，可導致傳染病(bing)(bing)蔓延流行(xing)。因此(ci)，生(sheng)(sheng)活(huo)污(wu)水(shui)排放前必須(xu)進行(xing)處理(li)。

常見生活污水處理流程如下：