生活污水處理工程

生(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)(shui)(shui)是居民(min)日常生(sheng)(sheng)活(huo)(huo)中(zhong)排出的廢水(shui)(shui)(shui)(shui)，主(zhu)(zhu)要(yao)來(lai)源于居住建筑(zhu)和(he)公共建筑(zhu)，如(ru)住宅(zhai)、機(ji)關、學校、醫院、商店、公共場所及(ji)工業企業衛生(sheng)(sheng)間(jian)等(deng)。生(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)(shui)(shui)所含的污(wu)染(ran)物(wu)主(zhu)(zhu)要(yao)是有(you)機(ji)物(wu)(如(ru)蛋白質(zhi)、碳水(shui)(shui)(shui)(shui)化合(he)物(wu)、脂(zhi)肪、尿素、氨氮(dan)等(deng)) 和(he)大(da)量病原微生(sheng)(sheng)物(wu)(如(ru)寄生(sheng)(sheng)蟲(chong)卵(luan)和(he)腸道傳染(ran)病毒等(deng))。存在于生(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)(shui)(shui)中(zhong)的有(you)機(ji)物(wu)極(ji)不穩(wen)定，容易(yi)腐化而(er)產生(sheng)(sheng)惡(e)臭(chou)。細菌和(he)病原體以生(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)(shui)(shui)中(zhong)有(you)機(ji)物(wu)為營養而(er)大(da)量繁殖，可導(dao)致(zhi)傳染(ran)病蔓延流行。因此，生(sheng)(sheng)活(huo)(huo)污(wu)水(shui)(shui)(shui)(shui)排放(fang)前必(bi)須進行處理(li)。

常見生活污水處理流程如下：