生活污水處理工程

生(sheng)(sheng)活(huo)(huo)污水(shui)(shui)是(shi)居民日常生(sheng)(sheng)活(huo)(huo)中(zhong)(zhong)排(pai)出的廢水(shui)(shui)，主(zhu)要來源于居住建筑和公(gong)共建筑，如住宅、機關、學校、醫院、商店、公(gong)共場所(suo)(suo)及工業(ye)企業(ye)衛生(sheng)(sheng)間等。生(sheng)(sheng)活(huo)(huo)污水(shui)(shui)所(suo)(suo)含(han)的污染(ran)物(wu)(wu)(wu)主(zhu)要是(shi)有機物(wu)(wu)(wu)(如蛋白質、碳水(shui)(shui)化(hua)合(he)物(wu)(wu)(wu)、脂肪、尿素、氨氮等) 和大(da)量病原(yuan)微(wei)生(sheng)(sheng)物(wu)(wu)(wu)(如寄(ji)生(sheng)(sheng)蟲卵和腸道(dao)傳(chuan)染(ran)病毒等)。存在于生(sheng)(sheng)活(huo)(huo)污水(shui)(shui)中(zhong)(zhong)的有機物(wu)(wu)(wu)極不穩定，容(rong)易腐化(hua)而產生(sheng)(sheng)惡臭(chou)。細菌(jun)和病原(yuan)體以(yi)生(sheng)(sheng)活(huo)(huo)污水(shui)(shui)中(zhong)(zhong)有機物(wu)(wu)(wu)為(wei)營養而大(da)量繁殖，可導(dao)致傳(chuan)染(ran)病蔓(man)延流行(xing)。因此，生(sheng)(sheng)活(huo)(huo)污水(shui)(shui)排(pai)放前必須進(jin)行(xing)處理。

常見生活污水處理流程如下：