生活污水處理工程

生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)(shui)是居(ju)(ju)民(min)日常生(sheng)(sheng)(sheng)活(huo)中(zhong)(zhong)排出的(de)廢水(shui)(shui)(shui)，主(zhu)要來源(yuan)于(yu)居(ju)(ju)住(zhu)建筑(zhu)和(he)(he)公(gong)共建筑(zhu)，如(ru)住(zhu)宅、機關、學(xue)校、醫院(yuan)、商店、公(gong)共場所及工(gong)業企業衛生(sheng)(sheng)(sheng)間等(deng)。生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)(shui)所含的(de)污(wu)染物主(zhu)要是有(you)機物(如(ru)蛋白質、碳(tan)水(shui)(shui)(shui)化(hua)合(he)物、脂(zhi)肪、尿素、氨氮等(deng)) 和(he)(he)大(da)量病(bing)原微生(sheng)(sheng)(sheng)物(如(ru)寄生(sheng)(sheng)(sheng)蟲卵和(he)(he)腸道傳染病(bing)毒等(deng))。存在于(yu)生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)(shui)中(zhong)(zhong)的(de)有(you)機物極(ji)不穩定，容易腐化(hua)而產(chan)生(sheng)(sheng)(sheng)惡臭。細菌和(he)(he)病(bing)原體以生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)(shui)中(zhong)(zhong)有(you)機物為營養而大(da)量繁(fan)殖，可導致傳染病(bing)蔓延流行(xing)(xing)。因此(ci)，生(sheng)(sheng)(sheng)活(huo)污(wu)水(shui)(shui)(shui)排放前必須(xu)進行(xing)(xing)處理。

常見生活污水處理流程如下：