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An integrated numerical and physical modeling system for an enhanced in situ bioremediation process

机译:用于增强原位生物修复过程的集成数值和物理建模系统

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摘要

Groundwater contamination due to releases of petroleum products is a major environmental concern in many urban districts and industrial zones. Over the past years, a few studies were undertaken to address in situ bioremediation processes coupled with contaminant transport in two-or three-dimensional domains. However, they were concentrated on natural attenuation processes for petroleum contaminants or enhanced in situ bioremediation processes in laboratory columns. In this study, an integrated numerical and physical modeling system is developed for simulating an enhanced in situ biodegradation (EISB) process coupled with three-dimensional multiphase multicomponent flow and transport simulation in a multi-dimensional pilot-scale physical model. The designed pilot-scale physical model is effective in tackling natural attenuation and EISB processes for site remediation. The simulation results demonstrate that the developed. system is effective in modeling the EISB process, and can thus be used for investigating the effects of various uncertainties. (c) 2006 Elsevier Ltd. All rights reserved.
机译:在许多市区和工业区,由于石油产品的释放而引起的地下水污染是主要的环境问题。在过去的几年中,进行了一些研究来解决原位生物修复过程以及在二维或三维域中的污染物迁移。但是,他们主要关注石油污染物的自然衰减过程或实验室色谱柱中增强的原位生物修复过程。在这项研究中,开发了一个集成的数值和物理建模系统,用于在多维中试规模的物理模型中模拟增强的原位生物降解(EISB)过程以及三维多相多组分流和输运模拟。设计的中试规模物理模型可有效解决自然衰减和EISB修复过程。仿真结果证明了该开发方法的正确性。该系统可有效地对EISB流程进行建模,因此可用于调查各种不确定性的影响。 (c)2006 Elsevier Ltd.保留所有权利。

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