生活污水處理工程

生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)是居民日常(chang)生(sheng)(sheng)(sheng)(sheng)活(huo)中排出的(de)廢水(shui)(shui)(shui)，主(zhu)要來源于居住建筑和公(gong)共建筑，如(ru)住宅(zhai)、機(ji)關(guan)、學校、醫院、商(shang)店、公(gong)共場所及工業企業衛生(sheng)(sheng)(sheng)(sheng)間等(deng)(deng)。生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)所含的(de)污(wu)(wu)染(ran)(ran)物主(zhu)要是有(you)機(ji)物(如(ru)蛋(dan)白(bai)質、碳(tan)水(shui)(shui)(shui)化合(he)物、脂肪(fang)、尿(niao)素、氨氮等(deng)(deng)) 和大量(liang)病(bing)(bing)原微生(sheng)(sheng)(sheng)(sheng)物(如(ru)寄生(sheng)(sheng)(sheng)(sheng)蟲卵和腸(chang)道傳(chuan)染(ran)(ran)病(bing)(bing)毒等(deng)(deng))。存在于生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)中的(de)有(you)機(ji)物極不穩定，容易腐化而(er)產生(sheng)(sheng)(sheng)(sheng)惡臭。細菌和病(bing)(bing)原體以生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)中有(you)機(ji)物為營養而(er)大量(liang)繁(fan)殖，可導致傳(chuan)染(ran)(ran)病(bing)(bing)蔓延流行(xing)(xing)。因(yin)此，生(sheng)(sheng)(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)(shui)排放前必(bi)須進(jin)行(xing)(xing)處理。

常見生活污水處理流程如下：