生(sheng)(sheng)物(wu)(wu)(wu)(wu)轉(zhuan)盤工藝是污水灌溉(gai)和土(tu)地處理的(de)(de)人工強化,這種(zhong)處理法使細菌(jun)和菌(jun)類的(de)(de)微(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)、原生(sheng)(sheng)動物(wu)(wu)(wu)(wu)一(yi)類的(de)(de)微(wei)型動物(wu)(wu)(wu)(wu)在(zai)生(sheng)(sheng)物(wu)(wu)(wu)(wu)轉(zhuan)盤填(tian)料(liao)載體(ti)上生(sheng)(sheng)長(chang)繁育,形成膜(mo)狀生(sheng)(sheng)物(wu)(wu)(wu)(wu)性污泥--生(sheng)(sheng)物(wu)(wu)(wu)(wu)膜(mo)。污水經沉淀(dian)池(chi)初級(ji)處理后與生(sheng)(sheng)物(wu)(wu)(wu)(wu)膜(mo)接(jie)觸,生(sheng)(sheng)物(wu)(wu)(wu)(wu)膜(mo)上的(de)(de)微(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)攝取污水中(zhong)的(de)(de)有機污染(ran)物(wu)(wu)(wu)(wu)作(zuo)為營養,使污水得到凈化。在(zai)氣(qi)(qi)動生(sheng)(sheng)物(wu)(wu)(wu)(wu)轉(zhuan)盤中(zhong),微(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)代(dai)謝(xie)所需的(de)(de)溶解氧通過(guo)設在(zai)生(sheng)(sheng)物(wu)(wu)(wu)(wu)轉(zhuan)盤下(xia)側的(de)(de)曝氣(qi)(qi)管供給(gei)。轉(zhuan)盤表(biao)面覆有空氣(qi)(qi)罩,從曝氣(qi)(qi)管中(zhong)釋放出(chu)的(de)(de)壓縮空氣(qi)(qi)驅動空氣(qi)(qi)罩使轉(zhuan)盤轉(zhuan)動,當(dang)轉(zhuan)盤離(li)開污水(shui)時,轉盤表(biao)面(mian)上形成一層(ceng)(ceng)薄薄的(de)水層(ceng)(ceng),水層(ceng)(ceng)也從空氣(qi)中吸收溶解氧。
