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我國農村污水處理主流技術及工程投資標準各類公開(kai)數據(ju)表明(ming),我國(guo)農(nong)村污水(shui)處(chu)(chu)(chu)理(li)領域(yu),約(yue)10%項(xiang)(xiang)目(mu)就近納入(ru)管網,由污水(shui)處(chu)(chu)(chu)理(li)廠進行處(chu)(chu)(chu)理(li)。約(yue)40%的(de)(de)農(nong)村污水(shui)處(chu)(chu)(chu)理(li)項(xiang)(xiang)目(mu)采(cai)(cai)用投(tou)資(zi)(zi)較(jiao)少(shao)的(de)(de)生(sheng)態處(chu)(chu)(chu)理(li)技術,30%的(de)(de)農(nong)村小型污水(shui)處(chu)(chu)(chu)理(li)工程采(cai)(cai)用生(sheng)物處(chu)(chu)(chu)理(li)技術,20%的(de)(de)采(cai)(cai)用其他處(chu)(chu)(chu)理(li)技術。其中,生(sheng)態處(chu)(chu)(chu)理(li)技術投(tou)資(zi)(zi)少(shao)、運維簡(jian)便,但是(shi)污水(shui)處(chu)(chu)(chu)理(li)效果較(jiao)難達標(biao);生(sheng)物處(chu)(chu)(chu)理(li)技術投(tou)資(zi)(zi)較(jiao)高,一般可穩定達到(dao)國(guo)標(biao)一級B或更(geng)高水(shui)質排放要求。 為規(gui)范農(nong)村(cun)污(wu)(wu)水(shui)(shui)處(chu)(chu)(chu)(chu)理(li)工(gong)(gong)(gong)(gong)程(cheng)建設與(yu)(yu)投資工(gong)(gong)(gong)(gong)作,住建部的《農(nong)村(cun)生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)處(chu)(chu)(chu)(chu)理(li)項目建設與(yu)(yu)投資指南》,公布(bu)農(nong)村(cun)生(sheng)(sheng)活(huo)污(wu)(wu)水(shui)(shui)分散(san)式處(chu)(chu)(chu)(chu)理(li)工(gong)(gong)(gong)(gong)程(cheng)投資標準:小型人工(gong)(gong)(gong)(gong)濕地(di)噸(dun)水(shui)(shui)投資2600-3700元(yuan)(yuan)/噸(dun),土地(di)處(chu)(chu)(chu)(chu)理(li)2000-3300元(yuan)(yuan)/噸(dun),穩定塘1900-3300元(yuan)(yuan)/噸(dun),凈(jing)化沼氣池600-5300元(yuan)(yuan)/噸(dun),小型一(yi)體化污(wu)(wu)水(shui)(shui)處(chu)(chu)(chu)(chu)理(li)設備11000-39000元(yuan)(yuan)/噸(dun)。農(nong)村(cun)污(wu)(wu)水(shui)(shui)處(chu)(chu)(chu)(chu)理(li)項目的造價(jia)與(yu)(yu)處(chu)(chu)(chu)(chu)理(li)規(gui)模、處(chu)(chu)(chu)(chu)理(li)工(gong)(gong)(gong)(gong)藝、地(di)形地(di)貌(mao)等因素(su)有著直接(jie)或間接(jie)的關系(xi)。 |