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高架道路降雨徑流水質(zhì)的污染控制試驗(yàn)研究

發(fā)布時(shí)間:2019-01-21 18:22
【摘要】:通過(guò)模擬上海高架道路降雨徑流水質(zhì),基于生物滯留設(shè)施的原理設(shè)計(jì)小試和中試反應(yīng)器,對(duì)比了以陶粒和沸石為介質(zhì)的生物滯留設(shè)施對(duì)高架道路雨水徑流的處理?xiàng)l件及效果,初步討論了介質(zhì)層結(jié)構(gòu)對(duì)處理效果的影響。結(jié)果表明,基質(zhì)強(qiáng)化生物滯留設(shè)施的水力負(fù)荷應(yīng)不大于1m~3/(m~2·d);沸石基質(zhì)對(duì)COD、TP和NH_3-N的去除效果好于陶粒,其相應(yīng)去除率分別為74%、87%和71%,裝置運(yùn)行期間出水水質(zhì)達(dá)到《地表水環(huán)境質(zhì)量標(biāo)準(zhǔn)》(GB 3838—2002)中Ⅲ類標(biāo)準(zhǔn);沸石基質(zhì)適應(yīng)水力負(fù)荷范圍較大,更適于處理水力負(fù)荷變化較大的雨水徑流;添加沸石層后單位時(shí)間內(nèi)污染物去除效率提高40%左右。
[Abstract]:By simulating rainfall runoff water quality of Shanghai viaduct road, a pilot and pilot reactor was designed based on the principle of biological retention facilities. The treatment conditions and effects of biologic retention facilities with ceramsite and zeolite on the runoff of elevated road Rain Water were compared. The effect of the structure of dielectric layer on the treatment effect is discussed preliminarily. The results showed that the hydraulic load of the substrate enhanced biological retention facility should not be greater than that of 1m~3/ (mt2 d);). The removal efficiency of COD,TP and NH_3-N by zeolite matrix was better than that of ceramsite, and the corresponding removal rates were 74% and 71%, respectively. The effluent quality of the plant reached the class 鈪,

本文編號(hào):2412908

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