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校園雨水水質(zhì)評價(jià)及利用研究

發(fā)布時(shí)間:2018-05-31 21:55

  本文選題:石家莊 + 校園雨水; 參考:《石家莊經(jīng)濟(jì)學(xué)院》2014年碩士論文


【摘要】:水資源是人類生存與發(fā)展的重要資源,涉及到國家及城市的發(fā)展建設(shè)。河北省會(huì)石家莊水資源問題更是日益尖銳。石家莊市是全國35個(gè)最為缺水的城市之一,人均水資源量為256立方米,僅為全國水平的1/8,屬于極度缺水地區(qū)。石家莊常年大量開采地下水,造成地下水位埋深不斷下降,地下水漏斗面積不斷增大。尋找新的水源可以緩解地下水短缺問題。雨水是自然界水循環(huán)之中大氣降水的產(chǎn)物,受到的污染較小,處理簡單,可以作為生活雜用或工業(yè)用水。本文通過對石家莊水資源狀況的分析,選擇了石家莊經(jīng)濟(jì)學(xué)院的主校區(qū)為研究對象,對石家莊水校園雨水利用進(jìn)行了分析,并結(jié)合石家莊經(jīng)濟(jì)學(xué)院新校區(qū)搬遷,為新校區(qū)的水資源節(jié)約與雨水的利用,提出建設(shè)性的建議。本文研究如下:1.對石家莊經(jīng)濟(jì)學(xué)院主校區(qū)校園環(huán)境及各類集水面情況進(jìn)行了調(diào)查,并設(shè)計(jì)雨水收集方案,確定了雨水水質(zhì)分析指標(biāo),改進(jìn)了快速測得COD的方法。2.分析了校園雨水水質(zhì)情況,發(fā)現(xiàn)雨水水質(zhì)在降雨初期較差,在降雨后期水質(zhì)逐漸變好,懸浮物含量在50mg/L左右,總磷含量在0.1mg/L左右,總氮含量15mg/L左右,COD含量100mg/L左右。實(shí)驗(yàn)數(shù)據(jù)對比可以得出屋面雨水比路面雨水水質(zhì)好,鐵皮屋面收集到的雨水水質(zhì)較其他屋面好;夏季雨水水質(zhì)較春季秋季雨水水質(zhì)好。3.對實(shí)驗(yàn)數(shù)據(jù)進(jìn)行回歸分析,發(fā)現(xiàn)雨水各污染指標(biāo)與懸浮物具有較好的相關(guān)性。4.通過向雨水中添加絮凝劑的方法處理雨水,經(jīng)實(shí)驗(yàn)可知處理之后的雨水水質(zhì)達(dá)到校園生活雜用水的使用標(biāo)準(zhǔn)。5.針對石家莊經(jīng)濟(jì)學(xué)院校園的具體情況,設(shè)計(jì)合理的校園雨水收集和利用方案,將處理之后的雨水作為校園生活雜用水。6.根據(jù)本實(shí)驗(yàn)數(shù)據(jù)及雨水利用方案,對石家莊經(jīng)濟(jì)學(xué)院新校區(qū)的建設(shè)提出雨水收集和利用的建議。
[Abstract]:Water resource is an important resource for human survival and development, which involves the development and construction of the country and city. Hebei provincial capital Shijiazhuang water resources problem is increasingly acute. Shijiazhuang is one of the 35 most water-deficient cities in China, with a per capita water resource of 256 cubic meters, which is only one eighth of the national level. In Shijiazhuang, groundwater is exploited in large quantities all the year round, which results in the decrease of groundwater table depth and the increase of groundwater funnel area. Finding new sources of water can alleviate groundwater shortages. Rain Water is the product of atmospheric precipitation in the natural water cycle. It is less polluted and easy to deal with, so it can be used as household or industrial water. Based on the analysis of water resources in Shijiazhuang, this paper chooses the main campus of Shijiazhuang School of Economics as the research object, analyzes the utilization of Rain Water in Shijiazhuang Water Campus, and combines with the relocation of the new campus of Shijiazhuang School of Economics. Some constructive suggestions are put forward for water resources conservation and Rain Water utilization in the new campus. This paper studies as follows: 1. The environment of the main campus of Shijiazhuang Institute of Economics and the situation of collecting water surface were investigated, the collection scheme of Rain Water was designed, the analysis index of Rain Water water quality was determined, and the method of rapid COD measurement was improved. The water quality of Rain Water on campus was analyzed. It was found that the water quality of Rain Water was poor in the early stage of rainfall, and gradually improved in the later stage of rainfall. The content of suspended matter was about 50mg/L, the content of total phosphorus was about 0.1mg/L, and the content of 15mg/L was about 100mg/L. The comparison of experimental data shows that the water quality of roof Rain Water is better than that of pavement Rain Water, the quality of Rain Water collected from iron roof is better than that of other roofing, and the water quality of Rain Water in summer is better than that of Rain Water in spring and autumn. By regression analysis of experimental data, it was found that each pollution index of Rain Water has a good correlation with suspended matter. 4. 4. Rain Water was treated by adding flocculant to Rain Water. The experimental results showed that the quality of Rain Water reached the standard of using miscellaneous water in campus. According to the concrete situation of Shijiazhuang School of Economics, a reasonable scheme of collecting and utilizing campus Rain Water is designed, and the Rain Water is treated as the miscellaneous water for campus life. According to the experimental data and the scheme of Rain Water utilization, the suggestions of Rain Water collection and utilization are put forward for the construction of the new campus of Shijiazhuang Institute of Economics.
【學(xué)位授予單位】:石家莊經(jīng)濟(jì)學(xué)院
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:X824;TV213.9

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