生活污水處理工程

生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)(wu)(wu)水(shui)(shui)(shui)是(shi)居民日(ri)常(chang)生(sheng)(sheng)(sheng)活(huo)(huo)中(zhong)排(pai)出的(de)廢(fei)水(shui)(shui)(shui)，主要(yao)來源(yuan)于居住建筑(zhu)(zhu)和公(gong)共(gong)建筑(zhu)(zhu)，如(ru)(ru)住宅(zhai)、機(ji)關、學校(xiao)、醫(yi)院、商店、公(gong)共(gong)場所及工業企業衛生(sheng)(sheng)(sheng)間(jian)等(deng)。生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)(wu)(wu)水(shui)(shui)(shui)所含(han)的(de)污(wu)(wu)(wu)染(ran)物(wu)(wu)(wu)主要(yao)是(shi)有(you)機(ji)物(wu)(wu)(wu)(如(ru)(ru)蛋白質、碳水(shui)(shui)(shui)化合物(wu)(wu)(wu)、脂肪、尿素、氨氮等(deng)) 和大量病原微生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(如(ru)(ru)寄生(sheng)(sheng)(sheng)蟲卵和腸(chang)道(dao)傳(chuan)染(ran)病毒等(deng))。存在于生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)(wu)(wu)水(shui)(shui)(shui)中(zhong)的(de)有(you)機(ji)物(wu)(wu)(wu)極(ji)不穩定，容(rong)易腐(fu)化而(er)(er)產生(sheng)(sheng)(sheng)惡臭。細菌和病原體(ti)以生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)(wu)(wu)水(shui)(shui)(shui)中(zhong)有(you)機(ji)物(wu)(wu)(wu)為營養而(er)(er)大量繁殖，可導致傳(chuan)染(ran)病蔓延流(liu)行(xing)。因此，生(sheng)(sheng)(sheng)活(huo)(huo)污(wu)(wu)(wu)水(shui)(shui)(shui)排(pai)放前必(bi)須進行(xing)處理。

常見生活污水處理流程如下：