生活污水處理工程

生(sheng)(sheng)(sheng)(sheng)活(huo)(huo)(huo)污水(shui)(shui)是(shi)居民(min)日常生(sheng)(sheng)(sheng)(sheng)活(huo)(huo)(huo)中(zhong)排出的廢水(shui)(shui)，主(zhu)要來源于居住(zhu)建筑(zhu)和(he)公共(gong)建筑(zhu)，如住(zhu)宅、機關(guan)、學校(xiao)、醫院、商店、公共(gong)場(chang)所及工(gong)業企業衛生(sheng)(sheng)(sheng)(sheng)間(jian)等(deng)(deng)。生(sheng)(sheng)(sheng)(sheng)活(huo)(huo)(huo)污水(shui)(shui)所含的污染物(wu)主(zhu)要是(shi)有(you)機物(wu)(如蛋白質、碳水(shui)(shui)化(hua)合物(wu)、脂肪、尿素、氨氮等(deng)(deng)) 和(he)大(da)量(liang)病原微生(sheng)(sheng)(sheng)(sheng)物(wu)(如寄(ji)生(sheng)(sheng)(sheng)(sheng)蟲(chong)卵和(he)腸道傳(chuan)染病毒(du)等(deng)(deng))。存在于生(sheng)(sheng)(sheng)(sheng)活(huo)(huo)(huo)污水(shui)(shui)中(zhong)的有(you)機物(wu)極(ji)不穩(wen)定，容易腐化(hua)而產(chan)生(sheng)(sheng)(sheng)(sheng)惡(e)臭。細菌和(he)病原體以生(sheng)(sheng)(sheng)(sheng)活(huo)(huo)(huo)污水(shui)(shui)中(zhong)有(you)機物(wu)為營養而大(da)量(liang)繁殖，可導(dao)致傳(chuan)染病蔓延流行。因(yin)此，生(sheng)(sheng)(sheng)(sheng)活(huo)(huo)(huo)污水(shui)(shui)排放前必須進行處理。

常見生活污水處理流程如下：