近日，潔凈程度(du)堪(kan)比純凈水(shui)的再生水(shui)，從晉陽污(wu)水(shui)處理廠北側(ce)的再生水(shui)深度(du)處理廠緩緩流(liu)出，并通過一(yi)條20公里長的中(zhong)水(shui)管線，直供清(qing)徐經(jing)濟技術開發區。該項(xiang)目現處于試(shi)運行階段，未來(lai)可為(wei)清(qing)徐經(jing)濟技術開發區提供6萬(wan)噸/日的高品質(zhi)再生水(shui)。

    “這種再(zai)生水(shui)(shui)(shui)，專業的說法，叫逆滲透(tou)除鹽水(shui)(shui)(shui)。”市再(zai)生水(shui)(shui)(shui)發(fa)展(zhan)有限公司投資管理中(zhong)心(xin)總(zong)監王英華介紹，“這種水(shui)(shui)(shui)通過雙膜處理工藝，去除了水(shui)(shui)(shui)中(zhong)鹽分等雜質，水(shui)(shui)(shui)價要高于(yu)(yu)自(zi)來(lai)(lai)水(shui)(shui)(shui)。”但這絲毫不影響(xiang)清徐經濟技術開(kai)發(fa)區焦化企業對再(zai)生水(shui)(shui)(shui)利用的決(jue)心(xin)，因為深度(du)(du)處理后的再(zai)生水(shui)(shui)(shui)氯(lv)(lv)離子濃(nong)(nong)度(du)(du)低(di)(di)于(yu)(yu)10.5mg/L，TDS（衡量水(shui)(shui)(shui)硬度(du)(du)的重要指標）低(di)(di)于(yu)(yu)65mg/L，企業減(jian)少生產用水(shui)(shui)(shui)預處理成本的同時，氯(lv)(lv)離子濃(nong)(nong)度(du)(du)和水(shui)(shui)(shui)的硬度(du)(du)遠低(di)(di)于(yu)(yu)自(zi)來(lai)(lai)水(shui)(shui)(shui)——氯(lv)(lv)離子濃(nong)(nong)度(du)(du)低(di)(di)，可以降(jiang)低(di)(di)對機器設備、管道(dao)的腐蝕；硬度(du)(du)低(di)(di)，不易結垢(gou)，從而(er)可以增加循環利用的次數，這樣下來(lai)(lai)，用再(zai)生水(shui)(shui)(shui)更劃算。

    同樣是(shi)利用(yong)晉陽(yang)污水(shui)處理廠(chang)的中(zhong)水(shui)，由(you)市熱力集團投資建(jian)(jian)設的再生(sheng)水(shui)廠(chang)也已經建(jian)(jian)成(cheng)，今年3月在(zai)北方供(gong)熱城市中(zhong)率先對供(gong)熱管(guan)道使用(yong)再生(sheng)水(shui)補給，遠期可輸(shu)送5萬噸/日。

    與多數城市將再生(sheng)(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)用(yong)(yong)來河道補(bu)水(shui)(shui)(shui)(shui)(shui)(shui)不同的(de)是(shi)，太原再生(sheng)(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)利用(yong)(yong)可謂遍地(di)(di)(di)開(kai)花：分布(bu)在各大污水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)理廠的(de)智能(neng)加水(shui)(shui)(shui)(shui)(shui)(shui)機(ji)，為(wei)(wei)綠化灌(guan)溉車、環(huan)衛作業(ye)(ye)車取(qu)水(shui)(shui)(shui)(shui)(shui)(shui)提供了(le)便利；利用(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)源熱泵技術，將再生(sheng)(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)中存(cun)在的(de)大量(liang)低品位能(neng)量(liang)收集起來，用(yong)(yong)于省武警總隊后勤保障基地(di)(di)(di)和萬水(shui)(shui)(shui)(shui)(shui)(shui)物貿園區(qu)的(de)供熱和制冷(leng)；太鋼、大唐太原第(di)二熱電廠以及清徐經濟(ji)技術開(kai)發區(qu)的(de)3家焦化企業(ye)(ye)成(cheng)為(wei)(wei)再生(sheng)(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)用(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)大戶……據市城鄉管理局統計(ji)，我市各大污水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)理廠處(chu)理污水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)約(yue)108萬噸/日。其中，近33萬噸再生(sheng)(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)被回(hui)收利用(yong)(yong)，接近迎澤湖的(de)蓄水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)，曾經的(de)“廢水(shui)(shui)(shui)(shui)(shui)(shui)”已成(cheng)為(wei)(wei)穩定的(de)“第(di)二水(shui)(shui)(shui)(shui)(shui)(shui)源”，大大降(jiang)低了(le)對外部黃河水(shui)(shui)(shui)(shui)(shui)(shui)和地(di)(di)(di)下水(shui)(shui)(shui)(shui)(shui)(shui)的(de)依賴程度(du)。

    太(tai)原(yuan)“九(jiu)水”環繞，水系基礎得天獨厚。目前，我(wo)市已(yi)鋪設中水管(guan)道約130公里，建成(cheng)加壓泵(beng)站1座(zuo)，待剩余泵(beng)站及個別管(guan)線(xian)斷點(dian)工(gong)程(cheng)(cheng)完成(cheng)后，具備向“九(jiu)河”生(sheng)態復流工(gong)程(cheng)(cheng)供水的條件，再生(sheng)水將(jiang)有望成(cheng)為優化城市水環境的新源(yuan)泉。（太(tai)原(yuan)日(ri)報 中國污水處理工(gong)程(cheng)(cheng)網(wang)）

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