來源:北方網(wǎng) | 2023-01-05 14:01:02 |
(資料圖)
. 天津北方網(wǎng)訊:近日,位于綠色生態(tài)屏障八里灣片區(qū)的農(nóng)業(yè)面源污染治理及津沽污水廠尾水再生利用項(xiàng)目建設(shè)完工,預(yù)計(jì)今年年初投入使用。再生水將替代外調(diào)水成為當(dāng)?shù)剞r(nóng)業(yè)發(fā)展與生態(tài)用水的主要水源,有效緩解生態(tài)與農(nóng)業(yè)供水需求,全面改善區(qū)域生態(tài)環(huán)境質(zhì)量,對實(shí)現(xiàn)區(qū)域碳中和目標(biāo)起到支撐作用。
. 據(jù)悉,該項(xiàng)目主要包括津南區(qū)大韓莊、大孫莊兩大潛流人工濕地15萬平方米,以及120萬平方米表流濕地,是我市首例同時(shí)進(jìn)行凈化面源污染和尾水再生的項(xiàng)目,也是目前華北地區(qū)規(guī)模最大的面源污染凈化和尾水再生利用工程。
. 據(jù)了解,再生水項(xiàng)目主要基于現(xiàn)有河湖進(jìn)行改造,充分利用自然生態(tài)進(jìn)行水體凈化。整體采用生物強(qiáng)化調(diào)節(jié)塘、水平潛流濕地、表面流濕地、生態(tài)涵養(yǎng)塘的工藝,針對農(nóng)業(yè)面源和地表徑流污染間歇性特征,實(shí)現(xiàn)對農(nóng)業(yè)面源污染與津沽污水處理廠尾水的綜合凈化處理。投入使用后,日處理能力將達(dá)20萬噸。項(xiàng)目的水體中放置了水質(zhì)自動(dòng)監(jiān)測站、太陽能水力復(fù)氧設(shè)備、推流曝氣機(jī)等,通過這些設(shè)備控制水體的流態(tài),監(jiān)測水質(zhì)變化,農(nóng)田瀝水、魚塘退水等周邊面源污染經(jīng)過該系統(tǒng)處理后,水質(zhì)可達(dá)到優(yōu)于Ⅳ類水標(biāo)準(zhǔn)。(津云新聞編輯劉穎)
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