生活污水處理工程

生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)是(shi)居(ju)民日常生(sheng)(sheng)活(huo)中排(pai)出的廢水(shui)(shui)(shui)，主(zhu)要(yao)(yao)來源于(yu)居(ju)住(zhu)建筑和(he)公共(gong)(gong)建筑，如(ru)住(zhu)宅、機(ji)關、學校、醫院、商店、公共(gong)(gong)場(chang)所及(ji)工(gong)業企業衛生(sheng)(sheng)間等。生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)所含的污(wu)(wu)染物(wu)(wu)(wu)主(zhu)要(yao)(yao)是(shi)有(you)機(ji)物(wu)(wu)(wu)(如(ru)蛋(dan)白(bai)質、碳水(shui)(shui)(shui)化合(he)物(wu)(wu)(wu)、脂肪、尿素、氨氮等) 和(he)大(da)量病(bing)(bing)(bing)原微生(sheng)(sheng)物(wu)(wu)(wu)(如(ru)寄生(sheng)(sheng)蟲(chong)卵(luan)和(he)腸道傳(chuan)染病(bing)(bing)(bing)毒等)。存在于(yu)生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)中的有(you)機(ji)物(wu)(wu)(wu)極不穩定，容易(yi)腐化而產生(sheng)(sheng)惡臭(chou)。細菌和(he)病(bing)(bing)(bing)原體以生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)中有(you)機(ji)物(wu)(wu)(wu)為營(ying)養而大(da)量繁殖(zhi)，可導致傳(chuan)染病(bing)(bing)(bing)蔓延(yan)流行。因此，生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)排(pai)放前必須進行處(chu)理。

常見生活污水處理流程如下：