二維降解性污染物污染團遷移快速預測工具發展;A rapid prediction tool for two-dimensional plume migration of a degradable contaminant

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题名:	二維降解性污染物污染團遷移快速預測工具發展;A rapid prediction tool for two-dimensional plume migration of a degradable contaminant
作者:	廖中翊;Liao, Zhong-Yi
贡献者:	應用地質研究所
关键词:	二維;降解性;污染物;快速預測工具
日期:	2019-07-23
上传时间:	2019-09-03 16:59:19 (UTC+8)
出版者:	國立中央大學
摘要:	多物種傳輸解析解對於一階序列衰變反應耦合移流-延散傳輸方程式已經被廣泛的用來描述像是含氯有機溶劑、氨氮以及農藥等具有會衰變或降解反應之污染物在地下水中移動的情形。本研究發展一個二維半有限域下多物種溶質傳輸之全解析解模式，可考慮不同物種有不同遲滯因子，期望成為一個快速預測污染物濃度之工具。傳輸方程式分別對第一類以及第三類入流邊界進行求解，所發展之解析解將會透過一個含氯有機溶劑真實案例來驗證解之正確性，並會探討多物種污染團遷移在不同入流邊界及不同出流邊界條件的效應。;Analytical solutions to a set of simultaneous multispecies advective-dispersive transport equations sequentially coupled with first-order decay reactions have been widely used to describe the movement of decaying or degradable contaminants such as chlorinated solvents, nitrogen or pesticides in the subsurface environment. This study presents exact analytical solutions for two-dimensional multispecies transport in a semi-finite domain which allows each species to have distinct retardation factors. It is hoped that this method will become a rapid prediction tool. The equations are solved for both the first- and third-type inlet boundary conditions. The robustness of the developed analytical model is verified with an example of chlorinated solvents. It is applied to investigate the effects of the inlet and exit boundary conditions on the multispecies plume migration.
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