生活污水處理工程

生(sheng)(sheng)(sheng)活污(wu)(wu)(wu)水(shui)是居民(min)日常生(sheng)(sheng)(sheng)活中(zhong)排(pai)出(chu)的(de)廢水(shui)，主(zhu)要來源于居住建筑和公共建筑，如(ru)住宅(zhai)、機(ji)(ji)關、學校(xiao)、醫院、商(shang)店(dian)、公共場所(suo)及工業(ye)企業(ye)衛生(sheng)(sheng)(sheng)間等(deng)。生(sheng)(sheng)(sheng)活污(wu)(wu)(wu)水(shui)所(suo)含的(de)污(wu)(wu)(wu)染(ran)物(wu)主(zhu)要是有(you)機(ji)(ji)物(wu)(如(ru)蛋白(bai)質、碳水(shui)化(hua)合物(wu)、脂肪、尿素、氨氮(dan)等(deng)) 和大(da)量(liang)病(bing)原(yuan)(yuan)微生(sheng)(sheng)(sheng)物(wu)(如(ru)寄生(sheng)(sheng)(sheng)蟲卵和腸道(dao)傳染(ran)病(bing)毒等(deng))。存(cun)在于生(sheng)(sheng)(sheng)活污(wu)(wu)(wu)水(shui)中(zhong)的(de)有(you)機(ji)(ji)物(wu)極不穩(wen)定，容易腐化(hua)而產生(sheng)(sheng)(sheng)惡臭。細(xi)菌和病(bing)原(yuan)(yuan)體以生(sheng)(sheng)(sheng)活污(wu)(wu)(wu)水(shui)中(zhong)有(you)機(ji)(ji)物(wu)為營(ying)養而大(da)量(liang)繁(fan)殖，可導致傳染(ran)病(bing)蔓延流行。因此，生(sheng)(sheng)(sheng)活污(wu)(wu)(wu)水(shui)排(pai)放前必(bi)須(xu)進(jin)行處理。

常見生活污水處理流程如下：