本文關(guān)鍵詞：污染場地地下水修復(fù)技術(shù)篩選方法　出處：《吉林大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 地下水污染 修復(fù)技術(shù) 篩選方法 層次分析法 蒙特卡羅法

【摘要】：場地污染問題是目前限制社會經(jīng)濟(jì)發(fā)展和城市建設(shè)開發(fā)的重要問題,尤以污染地下水具有自身隱蔽、難以修復(fù),嚴(yán)重威脅地下水資源開發(fā)和利用的特點(diǎn)。近年來國內(nèi)外均展開了場地地下水修復(fù)工作,諸多地下水修復(fù)技術(shù)已投入到使用中。但與其配套的管理工作研究開展較晚,在修復(fù)過程中如何平衡社會、環(huán)境等目標(biāo)間的關(guān)系,如何確保高效、安全、經(jīng)濟(jì)的解決地下水污染問題成為研究重點(diǎn)。本文針對我國地下水修復(fù)技術(shù)現(xiàn)狀,展開了基于AHP和MC方法的地下水修復(fù)技術(shù)篩選方法研究。主要研究內(nèi)容如下:1.在充分調(diào)研國內(nèi)外污染場地地下水修復(fù)技術(shù)、經(jīng)驗(yàn)的基礎(chǔ)上,系統(tǒng)整理并分析了9種相對成熟的修復(fù)技術(shù)的原理、優(yōu)缺點(diǎn)、適用條件、相關(guān)場地案例等信息。構(gòu)建了污染場地地下水修復(fù)技術(shù)庫,為篩選過程提供參考資料。2.結(jié)合地下水修復(fù)決策背景和目標(biāo),在研究國內(nèi)外地下水修復(fù)技術(shù)篩選框架的基礎(chǔ)上,提出了包含技術(shù)有效性等5個維度指標(biāo)在內(nèi)的篩選目標(biāo)層。包含21項(xiàng)參數(shù)的篩選指標(biāo)體系。在有效性參數(shù)的描述中,提出了分布式參數(shù)描述的方法,避免了單一指標(biāo)描述忽略參數(shù)不確定性的問題,并將技術(shù)庫中的信息轉(zhuǎn)化為對應(yīng)指標(biāo)體系的技術(shù)比較矩陣,為技術(shù)篩選提供支持。3.在研究國內(nèi)外篩選框架的基礎(chǔ)上提出了篩選流程。為目標(biāo)層各指標(biāo)分別構(gòu)建了AHP篩選框架,并建立了相應(yīng)的評分標(biāo)準(zhǔn)。此外由于有效性目標(biāo)篩選中采用傳統(tǒng)AHP方法無法解決分布式的描述,本文提出了利用MC方法完善有效性篩選的評分方法,兼顧不確定性和評價風(fēng)險。最終整合篩選框架與評分方法,構(gòu)建地下水修復(fù)技術(shù)篩選方法。4.為增加方法的實(shí)用性,通過R語言實(shí)現(xiàn)了修復(fù)技術(shù)篩選方法,并利用Rstudio發(fā)布的ShinyApp實(shí)現(xiàn)了篩選過程中交互與結(jié)果展示。最終利用某鉻渣污染場地對篩選工具和篩選方法進(jìn)行了檢驗(yàn)。
[Abstract]:Site pollution is an important problem to restrict the development of social economy and urban construction at present, especially the polluted groundwater has its own concealment, which is difficult to repair. In recent years, site groundwater restoration work has been carried out both at home and abroad, which is a serious threat to the development and utilization of groundwater resources. Many groundwater remediation techniques have been put into use. However, the research on the management of groundwater remediation has been carried out late, how to balance the relationship between social and environmental objectives, how to ensure high efficiency and safety in the process of remediation. Economic solution to groundwater pollution has become the focus of research. This paper aims at the present situation of groundwater remediation technology in China. The main contents of this study are as follows: 1. Based on the full investigation of groundwater remediation technology in polluted sites at home and abroad, based on the experience. The principles, advantages and disadvantages, applicable conditions, relevant site cases and other information of 9 relatively mature remediation techniques were systematically sorted and analyzed. The groundwater remediation technology database of contaminated sites was constructed. To provide reference for the screening process. 2. Combined with the background and objectives of groundwater remediation decision-making, based on the study of domestic and foreign groundwater remediation technology screening framework. A screening target layer including five dimension indexes such as technical validity and a selection index system including 21 parameters are proposed. In the description of validity parameters, a method of distributed parameter description is proposed. The problem of ignoring parameter uncertainty in single indicator description is avoided, and the information in the technology database is transformed into the technical comparison matrix of the corresponding index system. On the basis of studying the screening framework at home and abroad, the screening process is put forward, and the AHP screening framework is constructed for each target level index. 3. In addition, because the traditional AHP method can not solve the distributed description in the effective target selection, this paper puts forward a new method to improve the effectiveness screening scoring method by using MC method. Taking into account uncertainty and risk evaluation. Finally integrated the screening framework and scoring method to construct the groundwater remediation screening method. 4. In order to increase the practicability of the method, through R language to achieve remediation technology screening method. The interaction and result display in the screening process are realized by using the ShinyApp published by Rstudio. Finally, the screening tools and the screening methods are tested by using a site contaminated by chromium slag.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：X523

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