Numerical Simulation for Biosurfactant-Enhanced Bioremediation Process under cold climate and low soil-permeability conditions: a Pilot-scale Case Study

机译：寒冷气候和低土壤渗透率条件下生物表面活性剂强化生物修复过程的数值模拟：中试案例

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In-situ bioremediation is one of the effective technologies for cleaning up petroleum-contaminated sites. To improve efficiencies of conventional bioremediation processes, biosurfactant treatment has received much attention due to the surface-activity, biodegradability and low toxicity of biosurfactants. In this study, an integrated mathematical modeling system was developed for simulating the biosurfactant-enhanced bioremediation (BEB) processes under typical Canadian site condition. The model included modules of multiphase multicomponent flow and transport, biological degradation, and biosurfactant-enhanced remediation. A pilot-scale physical modeling system, with Rhamnolipid being used as biosurfactant, is designed to simulate the BEB process. The study results demonstrated that the developed mathematical model is effective in examining the coupled effects of biodegradation and biosurfactant-enhancement within a multiphase multicomponent transport framework, and can be used for supporting management of petroleum-contaminated sites under cold climate conditions.

机译：原位生物修复是清理石油污染场所的有效技术之一。为了提高常规生物修复方法的效率，由于表面活性剂的表面活性，生物可降解性和低毒性，生物表面活性剂的处理受到了广泛的关注。在这项研究中，开发了一个集成的数学建模系统，用于在典型的加拿大现场条件下模拟生物表面活性剂增强的生物修复（BEB）过程。该模型包括多相多组分流动和运输，生物降解和生物表面活性剂增强修复的模块。设计了以鼠李糖脂作为生物表面活性剂的中试规模物理建模系统，以模拟BEB过程。研究结果表明，开发的数学模型可有效地检验多相多组分运输框架内生物降解和生物表面活性剂增强的耦合效应，并可用于支持寒冷气候条件下石油污染场所的管理。

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来源
《Cold regions engineering 2009 : Cold regions impact on research, design, and construction》|2009年|P.572-587|共16页
会议地点 Duluth MN(US)
作者
Hui Yu; Guohe Huang; Xiaosheng Qin;
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作者单位

Environmental Systems Engineering Program, Faculty of Engineering, University of Regina, Regina, SK, S4S 0A2, Canada;

rnEnvironmental Systems Engineering Program, Faculty of Engineering, University of Regina, Regina, SK, S4S 0A2, Canada;

rnEnvironmental Systems Engineering Program, Faculty of Engineering, University of Regina, Regina, SK, S4S 0A2, Canada;

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原文格式 PDF
正文语种 eng
中图分类冰冻与严寒地区筑路;
关键词
bioremediation; biosurfactant; cold climate; groundwater; petroleum waste;

机译：生物修复；生物表面活性剂气候寒冷；地下水;石油废料;

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1. Enhanced bioremediation of nutrient-amended, petroleum hydrocarbon-contaminated soils over a cold-climate winter: The rate and extent of hydrocarbon biodegradation and microbial response in a pilot-scale biopile subjected to natural seasonal freeze-thaw temperatures [J] . Jihun Kim, Asian Hwanhwi Lee, Wonjae Chang The Science of the Total Environment . 2018,第jana15期

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2. Modeling Biosurfactant-Enhanced Bioremediation Processes for Petroleum-Contaminated Sites [J] . H. Yua G. Huangab B. Zhangc X. Zhanga amp, Y. Caia Petroleum Science and Technology . 2010,第12期

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3. Modeling Biosurfactant-Enhanced Bioremediation Processes for Petroleum-Contaminated Sites [J] . H. YU, G. HUANG, B. ZHANG, Petroleum Science and Technology . 2010,第10a12期

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Numerical Simulation for Biosurfactant-Enhanced Bioremediation Process under cold climate and low soil-permeability conditions: a Pilot-scale Case Study

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