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首页> 外文期刊>MATEC Web of Conferences >Steam-Enhanced Extraction Experiments, Simulations and Field Studies for Dense Non-Aqueous Phase Liquid Removal: A Review
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Steam-Enhanced Extraction Experiments, Simulations and Field Studies for Dense Non-Aqueous Phase Liquid Removal: A Review

机译：浓密非水相液体去除的蒸汽增强萃取实验，模拟和现场研究：综述

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摘要

Experiments, simulations and field studies for dense non-aqueous phase liquid (DNAPL) removal have demonstrated successful recovery through steam-enhanced extraction. Steam-enhanced extraction is an innovative technology for soil and groundwater remediation to remove as much contamination as possible. Most of researchers study the main DNAPL recovery mechanisms such as physical displacement by vaporization, evaporation and condensation, reduction in interfacial tension and DNAPL viscosity influenced by temperature. Other removal mechanism such as steam distillation and steam stripping also has been studied. The removal of DNAPL using steam-enhanced extraction shall be investigated to identify, acquire, analyze, visualize, and evaluate the effectiveness of the remediation. Several parameters can be controlled to justify the successful of the remediation. A comprehensive understanding of the subsurface environment, multiphase fluid flow and the physical processes is required to prevent remediation failure. Thus, it will avoid continuous contamination of the subsurface environment. The researcher can quantify the reduction in contamination remediation and acquire high quality data sets to validate future numerical model. Aim of this paper is to review and to summarize the existing laboratory experiment, simulations and field studies from other researchers regarding steam-enhanced extraction for dense non-aqueous phase liquid removal.
机译：浓密非水相液体（DNAPL）去除的实验，模拟和现场研究表明，通过蒸汽增强萃取可成功回收。蒸汽增强萃取是一种用于土壤和地下水修复的创新技术，可去除尽可能多的污染物。大多数研究人员研究了主要的DNAPL回收机制，例如通过蒸发，蒸发和冷凝引起的物理位移，界面张力的降低以及温度影响DNAPL粘度。还研究了其他去除机理，例如蒸汽蒸馏和蒸汽汽提。应研究使用蒸汽增强萃取去除DNAPL的方法，以识别，获取，分析，可视化和评估修复的有效性。可以控制几个参数以证明修复成功。为了防止修复失败，需要对地下环境，多相流体流动和物理过程有一个全面的了解。因此，它将避免连续污染地下环境。研究人员可以量化污染修复的减少量，并获取高质量的数据集以验证未来的数值模型。本文的目的是回顾和总结现有的实验室研究，其他研究人员的模拟研究和现场研究，这些研究涉及蒸汽强化萃取用于稠密非水相液体去除。

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