生活污水處理工程

生(sheng)(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)是居(ju)民(min)日常生(sheng)(sheng)(sheng)(sheng)活中排出的廢水(shui)(shui)，主(zhu)要(yao)來源于居(ju)住(zhu)建筑和公共建筑，如(ru)住(zhu)宅、機(ji)(ji)(ji)(ji)關、學校(xiao)、醫院(yuan)、商店、公共場所及工(gong)業(ye)企業(ye)衛生(sheng)(sheng)(sheng)(sheng)間等(deng)。生(sheng)(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)所含的污(wu)染物(wu)(wu)主(zhu)要(yao)是有(you)機(ji)(ji)(ji)(ji)物(wu)(wu)(如(ru)蛋(dan)白(bai)質、碳水(shui)(shui)化(hua)合物(wu)(wu)、脂肪、尿素、氨(an)氮等(deng)) 和大量(liang)病原微生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)(如(ru)寄生(sheng)(sheng)(sheng)(sheng)蟲(chong)卵(luan)和腸道傳染病毒等(deng))。存(cun)在于生(sheng)(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)中的有(you)機(ji)(ji)(ji)(ji)物(wu)(wu)極不穩定，容易腐化(hua)而(er)產生(sheng)(sheng)(sheng)(sheng)惡臭。細(xi)菌和病原體以生(sheng)(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)中有(you)機(ji)(ji)(ji)(ji)物(wu)(wu)為營養而(er)大量(liang)繁(fan)殖，可導(dao)致傳染病蔓延(yan)流行。因此，生(sheng)(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)排放前必須進(jin)行處理。

常見生活污水處理流程如下：