精進含氯有機溶劑地下水污染傳輸快速預測工具發展與人體健康風險評估應用;Advancement of fast model for predicting the transport at chlorinated-solvent contaminated site and its application to health risk assessment.

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题名:	精進含氯有機溶劑地下水污染傳輸快速預測工具發展與人體健康風險評估應用;Advancement of fast model for predicting the transport at chlorinated-solvent contaminated site and its application to health risk assessment.
作者:	陳瑞昇;梁菁萍
贡献者:	國立中央大學應用地質研究所
关键词:	解析解;含氯溶劑;傳輸;健康風險評估;Analytical solution;Chlorinated solvent;Transport;Health risk assessment
日期:	2020-01-13
上传时间:	2020-01-13 14:52:49 (UTC+8)
出版者:	行政院環境保護署
摘要:	美國環保署地表下模式支援中心開放公開下載的BIOCHLOR模式為模擬含氯溶劑污染場址污染地下水自然衰減整治之篩選模式，BIOCHLOR模式所使用的解析解基於Domenico的單一物種傳輸解析解而得，BIOCHLOR 模式僅能適用所物種有共同遲滯因子且縱向延散係數不大時。本專案工作團隊擬發展快速的解析解模式以快速模擬含氯溶劑污染地下水多物種的傳輸，解析解模式主要是藉由三個積分轉換法與解常分的數學方法求解一組由序列降解反應耦合的傳輸方程式，解析解與其計算程式的正確性將與使用Laplace轉換有限差分求解之數值解模式比較以確認。本研究所發展的解析解將用來進行BIOCHLOR在不同模擬條件與參數組合下的功能表現評估，最後，我們將呈現發展解析解模式結合健康風險模式進行含氯溶劑污染場址污染地下水的健康風險評估的應用範例。 ;The BIOCHLOR model provided by the Center for Subsurface Modeling Support (CSMoS) of USEPA is an easy-to-use screening model that simulates aquifer remediation by natural attenuation of dissolved multi-species solvents at chlorinated-solvent contaminated site. The analytical solution embedded in the BIOCHLOR model was obtained based on the Domenico single-species analytical solution. However, the BIOCHLOR analytical solutions are only valid for all species having the same retardation factors and the longitudinal dispersion coefficients being not large. In this the project, we target to propose an analytical model for fast simulating multispecies dissolved chlorinated solvent transport problems. The analytical model will be obtained by solving a set of transport equations sequentially coupled a series of degradation reactions using three integral transformation techniques in combination with the mathematical method for solving ordinary differential equations. The correctness of the mathematical model and its auxiliary computer code will be established with a comparison between the derived mathematical model and a numerical model using a Laplace transform finite difference scheme. Then, the performance of BIOCHLOR will be evaluated using our derived analytical for various combinations of simulated conditions and parameters. Ultimately, an application example of the derived novel analytical model coupled with the risk assessment model for health risk assessment on a chlorinated-solvent contaminated site will be presented.
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
显示于类别:	[應用地質研究所] 研究計畫

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