生活污水處理工程

生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)是(shi)居民日常生(sheng)(sheng)(sheng)活(huo)中排出(chu)的廢(fei)水(shui)(shui)，主(zhu)要來源于居住建(jian)筑和(he)公共(gong)建(jian)筑，如住宅、機(ji)關、學校(xiao)、醫(yi)院(yuan)、商店、公共(gong)場(chang)所及工(gong)業(ye)企業(ye)衛生(sheng)(sheng)(sheng)間等(deng)。生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)所含(han)的污(wu)染物(wu)主(zhu)要是(shi)有(you)機(ji)物(wu)(如蛋白質、碳水(shui)(shui)化合物(wu)、脂肪、尿素、氨氮等(deng)) 和(he)大量(liang)病原(yuan)微生(sheng)(sheng)(sheng)物(wu)(如寄生(sheng)(sheng)(sheng)蟲(chong)卵和(he)腸道傳染病毒(du)等(deng))。存在于生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)中的有(you)機(ji)物(wu)極(ji)不(bu)穩(wen)定，容易(yi)腐化而(er)產生(sheng)(sheng)(sheng)惡臭。細(xi)菌和(he)病原(yuan)體以生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)中有(you)機(ji)物(wu)為營養(yang)而(er)大量(liang)繁殖，可(ke)導致傳染病蔓延(yan)流行。因此，生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)排放前必須進行處理。

常見生活污水處理流程如下：