生活污水處理工程

生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)是居民(min)日(ri)常生(sheng)(sheng)(sheng)(sheng)活(huo)中排出的(de)廢水(shui)(shui)(shui)，主要來(lai)源于居住(zhu)建筑和公(gong)共建筑，如(ru)住(zhu)宅(zhai)、機(ji)關、學校(xiao)、醫院、商(shang)店、公(gong)共場所及工業(ye)企業(ye)衛生(sheng)(sheng)(sheng)(sheng)間等(deng)。生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)所含(han)的(de)污(wu)(wu)染物(wu)主要是有(you)(you)機(ji)物(wu)(如(ru)蛋(dan)白質、碳(tan)水(shui)(shui)(shui)化(hua)合物(wu)、脂肪(fang)、尿素、氨(an)氮等(deng)) 和大量病原微(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(如(ru)寄生(sheng)(sheng)(sheng)(sheng)蟲卵和腸道傳(chuan)染病毒等(deng))。存在于生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)中的(de)有(you)(you)機(ji)物(wu)極不(bu)穩定，容易腐化(hua)而(er)產生(sheng)(sheng)(sheng)(sheng)惡臭(chou)。細菌和病原體以生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)中有(you)(you)機(ji)物(wu)為營養(yang)而(er)大量繁殖，可(ke)導致傳(chuan)染病蔓延流(liu)行。因此(ci)，生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)排放前必須進行處理(li)。

常見生活污水處理流程如下：