具分歧型式生物降解反應路徑的含氯溶劑地下水污染物多維度傳輸預測模擬軟體開發(2/2);Development of modeling software for predicting the multidimensional contaminant transport at a chlorinated-solvent contaminated site with a branching biodegradation reaction pathway(2/2)

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题名:	具分歧型式生物降解反應路徑的含氯溶劑地下水污染物多維度傳輸預測模擬軟體開發(2/2);Development of modeling software for predicting the multidimensional contaminant transport at a chlorinated-solvent contaminated site with a branching biodegradation reaction pathway(2/2)
作者:	陳瑞昇;梁菁萍
贡献者:	應用地質研究所
关键词:	含氯乙烯化合物;同分異構物;多物種傳輸解析解模式;分歧型式生物降解反應路徑;計算程式;圖形使用者介面;chlorinated ethenes;isomers;multi-species transport analytical model;branching biodegradation reaction pathway;computer code;graphical user interface graphical user interface
日期:	2020-12-08
上传时间:	2020-12-09 10:55:50 (UTC+8)
出版者:	科技部
摘要:	含氯乙烯化合物為地下水體的重要污染物，在厭氧狀態下，含氯乙烯化合物會經由還原脫氯作用而從四氯乙烯依序轉換為三氯乙烯、二氯乙烯的三個同分異構物(1,1-二氯乙烯、順-1,2-二氯乙烯與反-1,2-二氯乙烯)、氯乙烯與乙烯。多物種傳輸解析解模式為同時決定含氯溶劑地下水污染場址中溶解的含氯乙烯化合物母物種與子物種傳輸行為的經濟有效工具。雖然文獻中存在一些多物種傳輸解析解模式，但這些多物種傳輸解析解模式的發展主要是根據由直鏈生物降解反應路徑耦合的聯立移流-延散聯立方程組求解。直鏈生物降解反應路徑的多物種傳輸解析解模式無法說明個別二氯乙烯的同分異構物的傳輸行為。本計畫為二年期產學合作計畫，計畫將與「業興環境科技有限公司」合作開發可準確且同時預測含氯溶劑地下水污染場址中四氯乙烯、三氯乙烯、二氯乙烯的三個同分異構物、氯乙烯與乙烯的多維度污染物團遷移的分歧型式生物降解反應路徑多物種傳輸解析解模式，計畫第一年將發展二維解析解模式並詳盡地確認對應的FORTRAN計算程式的準確性，計畫第二年將延續第一年的成果發展三維解析解模式與並確認對應的FORTRAN計算程式的功能表現，並整合二年的工作成果發展友善的圖形使用者介面系統性地建立一套分歧型式生物降解反應路徑的含氯溶劑地下水污染物多維度傳輸預測模擬軟體。 ;Chlorinated ethenes are significant groundwater contaminants. Under anaerobic conditions, chloroethenes are subject to reductive dechlorination resulting in the stepwise conversion of PCE to TCE, DCE isomers (1,1-DCE, cis -1,2- DCE and trans -1,2- DCE), VC, and ethane. Multi-species transport analytical model is a cost-effective tool for simultaneous determination of the transport behavior of parent and daughter species of dissolved ethenes at chlorinated-solvent groundwater contaminated site. Although several multi-species transport analytical model have already been reported in the literature, those currently available have primarily been derived based on the coupled advection-dispersion equations with a straight chain biodegradation reaction pathway The multispecies transport analytical model with a straight chain biodegradation reaction pathway cannot account for the transport behaviors of individual DCE isomers. In this three-year industry-academy cooperation project, we collaborate with the Sinotech Environmental Techonology, Ltd. to develop a multi-species transport analytical model with a branching biodegradation reaction pathway for the purpose of accurately and simultaneously predicting the multi-dimensional contaminant transport behaviors of PCE, TCE, three DCE isomers, VC and ETH at chlorinated-solvent contaminated site. In the first year, a two-dimensional transport analytical model will be developed and the accuracy of its corresponding FORTRAN computer code will be assured elaborately. In the second year, we will extend the achievement of the first year to develop the three-dimensional transport analytical model and assure the performance of its FORTRAN computer code. A modeling software for predicting the multi-dimensional contaminant transport at a chlorinated-solvent contaminated site with a branching biodegradation reaction pathway will be systematically constructed by integrating the achievements of the first two years, collecting the field data of important transport parameters, providing some application examples and developing a friendly graphical user interface (GUI).
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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