東莞市寮步鎮污水處理廠擴建工程全面啟動
據悉,寮步(bu)污(wu)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)廠規劃(hua)(hua)總規模(mo)達污(wu)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)量(liang)25萬(wan)(wan)(wan)立方(fang)米(mi)/天,規劃(hua)(hua)用地12.5公頃(qing),服務全鎮(zhen)(zhen)范圍。記者了解到,目(mu)前,我鎮(zhen)(zhen)每日產生的污(wu)水(shui)(shui)(shui)(shui)量(liang)約為14.5萬(wan)(wan)(wan)立方(fang)米(mi),2008年(nian),寮步(bu)鎮(zhen)(zhen)污(wu)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)廠一期建(jian)成(cheng)并投入(ru)運行,污(wu)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)規模(mo)為10萬(wan)(wan)(wan)立方(fang)米(mi)/天,目(mu)前污(wu)水(shui)(shui)(shui)(shui)日處(chu)理(li)(li)量(liang)約11萬(wan)(wan)(wan)立方(fang)米(mi)/天。每年(nian)消減COD總量(liang)為482萬(wan)(wan)(wan)噸,BOD總量(liang)為200萬(wan)(wan)(wan)噸,氨氮(dan)總量(liang)為40萬(wan)(wan)(wan)噸。接下(xia)來我鎮(zhen)(zhen)將全面(mian)擴建(jian)污(wu)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)廠,預(yu)計2018年(nian),污(wu)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)規模(mo)將擴至15萬(wan)(wan)(wan)立方(fang)米(mi)/天。
目前,寮(liao)步(bu)水污(wu)(wu)染治(zhi)(zhi)理項(xiang)(xiang)目主(zhu)要(yao)包括:污(wu)(wu)水處理廠的建(jian)設(she)及(ji)提標;截(jie)(jie)污(wu)(wu)次支(zhi)管網的鋪設(she);鎮(zhen)(zhen)內各大(da)內河涌的清(qing)淤綜合(he)整治(zhi)(zhi);垃(la)圾滲透液集中(zhong)處理及(ji)垃(la)圾填埋場綜合(he)整治(zhi)(zhi)。謝衛東在相關(guan)會(hui)議中(zhong)指出,治(zhi)(zhi)污(wu)(wu)行動(dong)和“倍(bei)增計(ji)劃”都是(shi)我(wo)(wo)鎮(zhen)(zhen)今(jin)年(nian)的“頭(tou)號工(gong)(gong)程”,必須將之作(zuo)(zuo)為(wei)一項(xiang)(xiang)重(zhong)大(da)政治(zhi)(zhi)任務、重(zhong)大(da)發(fa)展問題、重(zhong)大(da)民生(sheng)工(gong)(gong)程來抓好,堅決(jue)打贏這(zhe)場硬仗。記者(zhe)了(le)解(jie)到,近年(nian)來,針對污(wu)(wu)水治(zhi)(zhi)理,我(wo)(wo)鎮(zhen)(zhen)采取了(le)諸多措施(shi),2013年(nian),我(wo)(wo)鎮(zhen)(zhen)建(jian)成了(le)截(jie)(jie)污(wu)(wu)主(zhu)干管網37.5公(gong)里,截(jie)(jie)流主(zhu)要(yao)排(pai)污(wu)(wu)口32個,截(jie)(jie)流污(wu)(wu)水量約9萬立方米/天;2014至2015年(nian),為(wei)避免重(zhong)復開挖,道路升級時同(tong)步(bu)實施(shi)截(jie)(jie)污(wu)(wu)次支(zhi)管網23.56公(gong)里;2016至2017年(nian),香市科(ke)技(ji)產業(ye)園PPP項(xiang)(xiang)目、配套園區基礎設(she)施(shi)建(jian)設(she),自(zi)行建(jian)設(she)截(jie)(jie)污(wu)(wu)次支(zhi)管網13.03公(gong)里。據相關(guan)數(shu)據顯(xian)示,截(jie)(jie)至2016年(nian),我(wo)(wo)鎮(zhen)(zhen)已全(quan)(quan)面(mian)完(wan)成黃(huang)沙河、西南(nan)河、獅(shi)子河的清(qing)淤、清(qing)障(zhang)工(gong)(gong)作(zuo)(zuo)。同(tong)時完(wan)成對主(zhu)干管網全(quan)(quan)面(mian)排(pai)查、疏通工(gong)(gong)作(zuo)(zuo),目前主(zhu)干管網全(quan)(quan)面(mian)貫通。謝衛東表示,在接下來的治(zhi)(zhi)污(wu)(wu)工(gong)(gong)作(zuo)(zuo)中(zhong),我(wo)(wo)鎮(zhen)(zhen)將全(quan)(quan)面(mian)進行數(shu)據化(hua)管理,統(tong)籌全(quan)(quan)鎮(zhen)(zhen)河涌情況,系統(tong)化(hua),全(quan)(quan)面(mian)化(hua)。
水污(wu)(wu)染涉及面廣、量大(da),水體(ti)污(wu)(wu)染較為嚴重,需要投入大(da)量人(ren)力和財(cai)力進行治理(li)。目前,寮(liao)(liao)步(bu)鎮內共有(you)寮(liao)(liao)步(bu)河、西南(nan)河、黃沙河、橫竹河、獅子(zi)河5大(da)內河,主要支流28條,排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)口70個,除一期截流32個排(pai)(pai)(pai)(pai)(pai)(pai)口外,仍(reng)有(you)38個排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)口未(wei)截流,生活污(wu)(wu)水或(huo)工業廢水直排(pai)(pai)(pai)(pai)(pai)(pai)河涌(yong)。其中塘富圍(wei)排(pai)(pai)(pai)(pai)(pai)(pai)渠(qu)、嶺(ling)廈(sha)排(pai)(pai)(pai)(pai)(pai)(pai)渠(qu)、寮(liao)(liao)步(bu)三(san)聯筷子(zi)堤、向西排(pai)(pai)(pai)(pai)(pai)(pai)渠(qu)、正坑排(pai)(pai)(pai)(pai)(pai)(pai)洪渠(qu)、牛其沖排(pai)(pai)(pai)(pai)(pai)(pai)渠(qu)、寮(liao)(liao)步(bu)七支渠(qu)(魚敬塘改水渠(qu))等排(pai)(pai)(pai)(pai)(pai)(pai)污(wu)(wu)口均未(wei)截流,造成水體(ti)污(wu)(wu)染嚴重,現狀水質均為劣Ⅴ類。
記者(zhe)獲悉(xi),通過(guo)治(zhi)理改善,預計至2018年(nian)(nian)底(di),我(wo)鎮(zhen)(zhen)將建成(cheng)截污(wu)(wu)次(ci)支管網(wang)建設共(gong)約142公(gong)(gong)里(li)(li)。屆(jie)時(shi)(shi),全鎮(zhen)(zhen)截污(wu)(wu)次(ci)支管網(wang)將達179公(gong)(gong)里(li)(li),截污(wu)(wu)主干管網(wang)長度37.5公(gong)(gong)里(li)(li),合計建設管網(wang)總(zong)長度為(wei)(wei)216.5公(gong)(gong)里(li)(li),管網(wang)密度約3.05km/km2,污(wu)(wu)水收集率達95%以上。至2020年(nian)(nian)底(di),我(wo)鎮(zhen)(zhen)將達到截流(liu)(liu)約262個排污(wu)(wu)口,估測收集污(wu)(wu)水量(liang)15萬立(li)方米/天,每年(nian)(nian)消減COD總(zong)量(liang)為(wei)(wei)660萬噸,BOD總(zong)量(liang)為(wei)(wei)275萬噸,氨氮(dan)總(zong)量(liang)為(wei)(wei)55萬噸。屆(jie)時(shi)(shi)的(de)(de)寮步,河流(liu)(liu)將不再污(wu)(wu)水橫流(liu)(liu),將成(cheng)為(wei)(wei)一個碧水藍天環繞(rao)的(de)(de)綠色(se)家(jia)園。

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