生活污水處理工程

生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)是居(ju)民日常生(sheng)(sheng)(sheng)活(huo)中排(pai)出的(de)廢水(shui)(shui)，主(zhu)要來源(yuan)于(yu)居(ju)住(zhu)建筑和公共建筑，如住(zhu)宅、機(ji)關(guan)、學(xue)校、醫院、商店、公共場所及工業企業衛生(sheng)(sheng)(sheng)間等(deng)。生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)所含的(de)污(wu)染(ran)物(wu)(wu)(wu)主(zhu)要是有機(ji)物(wu)(wu)(wu)(如蛋白(bai)質、碳水(shui)(shui)化合物(wu)(wu)(wu)、脂肪、尿素、氨氮等(deng)) 和大(da)量病原微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(如寄生(sheng)(sheng)(sheng)蟲卵和腸道傳(chuan)(chuan)染(ran)病毒(du)等(deng))。存(cun)在(zai)于(yu)生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)中的(de)有機(ji)物(wu)(wu)(wu)極不穩定(ding)，容易腐化而產生(sheng)(sheng)(sheng)惡(e)臭(chou)。細菌和病原體以生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)中有機(ji)物(wu)(wu)(wu)為營養而大(da)量繁(fan)殖，可導(dao)致傳(chuan)(chuan)染(ran)病蔓延流(liu)行(xing)。因(yin)此，生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)排(pai)放前必須進行(xing)處理。

常見生活污水處理流程如下：