生活污水處理工程

生(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)(shui)是居(ju)民日常(chang)生(sheng)(sheng)(sheng)活中排出(chu)的(de)廢水(shui)(shui)(shui)，主要(yao)來源于(yu)(yu)居(ju)住(zhu)建筑(zhu)和(he)公共(gong)建筑(zhu)，如(ru)(ru)住(zhu)宅、機(ji)關、學校、醫院、商店、公共(gong)場所(suo)及工(gong)業企(qi)業衛生(sheng)(sheng)(sheng)間等(deng)(deng)。生(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)(shui)所(suo)含的(de)污(wu)染(ran)物(wu)(wu)(wu)(wu)主要(yao)是有(you)機(ji)物(wu)(wu)(wu)(wu)(如(ru)(ru)蛋(dan)白質、碳水(shui)(shui)(shui)化(hua)合物(wu)(wu)(wu)(wu)、脂肪、尿素、氨(an)氮等(deng)(deng)) 和(he)大(da)量(liang)(liang)病原(yuan)微生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(如(ru)(ru)寄生(sheng)(sheng)(sheng)蟲(chong)卵和(he)腸道傳(chuan)染(ran)病毒等(deng)(deng))。存在于(yu)(yu)生(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)(shui)中的(de)有(you)機(ji)物(wu)(wu)(wu)(wu)極不(bu)穩定，容(rong)易腐化(hua)而(er)產生(sheng)(sheng)(sheng)惡(e)臭(chou)。細(xi)菌和(he)病原(yuan)體以生(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)(shui)中有(you)機(ji)物(wu)(wu)(wu)(wu)為營(ying)養而(er)大(da)量(liang)(liang)繁殖，可導致(zhi)傳(chuan)染(ran)病蔓(man)延流行。因此，生(sheng)(sheng)(sheng)活污(wu)水(shui)(shui)(shui)排放前必須(xu)進(jin)行處(chu)理。

常見生活污水處理流程如下：