生活污水處理工程

生(sheng)(sheng)(sheng)活(huo)(huo)(huo)污(wu)水(shui)(shui)是(shi)(shi)居(ju)民日常生(sheng)(sheng)(sheng)活(huo)(huo)(huo)中(zhong)排出(chu)的廢水(shui)(shui)，主要來源(yuan)于居(ju)住(zhu)建筑和(he)公(gong)共(gong)建筑，如(ru)住(zhu)宅、機關、學校、醫院(yuan)、商店、公(gong)共(gong)場所及工業企業衛(wei)生(sheng)(sheng)(sheng)間等。生(sheng)(sheng)(sheng)活(huo)(huo)(huo)污(wu)水(shui)(shui)所含的污(wu)染(ran)物(wu)主要是(shi)(shi)有機物(wu)(如(ru)蛋白質(zhi)、碳水(shui)(shui)化合物(wu)、脂(zhi)肪、尿素、氨氮等) 和(he)大(da)量病(bing)原微生(sheng)(sheng)(sheng)物(wu)(如(ru)寄生(sheng)(sheng)(sheng)蟲卵(luan)和(he)腸(chang)道傳(chuan)染(ran)病(bing)毒等)。存(cun)在于生(sheng)(sheng)(sheng)活(huo)(huo)(huo)污(wu)水(shui)(shui)中(zhong)的有機物(wu)極不(bu)穩定(ding)，容易腐(fu)化而產生(sheng)(sheng)(sheng)惡臭。細菌和(he)病(bing)原體以生(sheng)(sheng)(sheng)活(huo)(huo)(huo)污(wu)水(shui)(shui)中(zhong)有機物(wu)為營(ying)養(yang)而大(da)量繁殖，可導致傳(chuan)染(ran)病(bing)蔓(man)延流行(xing)(xing)。因此，生(sheng)(sheng)(sheng)活(huo)(huo)(huo)污(wu)水(shui)(shui)排放前必須進行(xing)(xing)處理。

常見生活污水處理流程如下：