| 污染土壤原位生物修复理论模型 |
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| 引用本文： | 朱恂,刘磊. 污染土壤原位生物修复理论模型[J]. 工程热物理学报, 2004, 0(Z1) |
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| 作者姓名： | 朱恂 刘磊 |
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| 作者单位： | [1]重庆大学工程热物理研究所 [2]重庆大学工程热物理研究所 重庆 |
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| 基金项目： | 重庆市应用基础研究项目(No.2001-6877)资助，国家自然科学基金项目(No.50006015) |
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| 摘 要： | 本文针对污染土壤原位生物修复技术,建立了土壤中气-液两相流动、污染物扩散与生物降解的理论模型,并进行了计算和分析,讨论了渗透廊的加入对液体饱和度的分布、液膜厚度分布以及污染物浓度分布的影响。结果表明:调节渗透廊内液面高度和渗透廊底面厚度,可以控制土壤中液体饱和度及液膜厚度的分布,且对污染物降解效率具有明显的影响。
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| 关 键 词： | 污染土壤 原位生物修复 理论模型 |
THEORETICAL MODEL FOR IN-SITU BIOREMEDIATION OF CONTAMINATIVE SOIL |
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| ZHU Xun LIU Lei. THEORETICAL MODEL FOR IN-SITU BIOREMEDIATION OF CONTAMINATIVE SOIL[J]. Journal of Engineering Thermophysics, 2004, 0(Z1) |
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| Authors: | ZHU Xun LIU Lei |
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| Abstract: | A theoretical modei on the two-phase flow of gas and liquid and the contamination trans-port and biodegradation in soil is established and numerically computed for in-situ bioremediation of contaminative soil. The influences of the infiltration gallery structure on the profile of liquid saturation, liquid film thickness, and the concentration of contamination in the soil are analyzed, respectively. The computed results show that the profiles of liquid saturation and liquid film thickness can be controlled by adjusting the bottom wall thickness of infiltration gallery and the liquid Ievel in the infiltration gallery. The liquid level in the infiltration gallery has significant influences on the biodegradation efficiency. |
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| Keywords: | contaminative soil in-situ bioremediation theoretical model |
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