Environmental Fate of Petroleum Hydrocarbons in Soil: Review of Multiphase Transport, Mass Transfer, and Natural Attenuation Processes

María BALSEIRO-ROMERO; Carmen MONTERROSO; Juan J.CASARES

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Environmental Fate of Petroleum Hydrocarbons in Soil: Review of Multiphase Transport, Mass Transfer, and Natural Attenuation Processes

机译：土壤中石油烃的环境命运：多相传输，传质和自然衰减过程的综述

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The increasing use of petroleum-derived fuels over the last few decades has subsequently augmented the risk of spills in the environment.Soil pollution with petroleum hydrocarbons (principally caused by leaks in pipelines and underground storage tanks) is one of the major sources of soil degradation.Once in soil,fuel hydrocarbons suffer from a wide variety of multiphase processes including transport (advection,diffusion,and dispersion) among and within phases (aqueous and non-aqueous liquid,gas,and soil solids),mass transfer among phases (volatilization,sorption,and solution),and other natural attenuation processes,such as biodegradation and plant uptake and metabolism.This review identifies and describes the major processes occurring in soil that have a significant influence on the environmental fate of petroleum hydrocarbons.The definition of the processes involved in pollutant migration and distribution in soil and the formulation of adequate equations using accurate parameters (e.g.,diffusion coefficients,velocity of advective flows,and mass transfer coefficients) will allow prediction of the final fate of soil pollutants.In addition to transport and mass transfer processes,which are more widely studied,the incorporation of attenuation mechanisms driven by microorganisms and plants is essential to predict the final concentration of the pollutants in the whole multiphase scenario.This work underlines the importance of the determination of accurate parameters through the performance of laboratory and/or field-scale experiments to develop precise pollutant migration models.

机译：在过去的几十年中，石油衍生燃料的使用不断增加，增加了环境泄漏的风险。石油碳氢化合物的土壤污染（主要是由管道和地下储罐泄漏引起）是土壤退化的主要来源之一碳氢化合物一旦进入土壤，就会遭受多种多样的多相过程的影响，包括在相（水和非水液体，气体和土壤固体）之间以及相内部（相和相之间的传质（挥发），吸收和溶解）以及其他自然衰减过程，例如生物降解以及植物吸收和代谢。本综述确定并描述了土壤中发生的对石油碳氢化合物环境命运有重大影响的主要过程。涉及污染物在土壤中迁移和分布的过程，以及使用精确参数（例如，（扩散系数，对流流速和传质系数）将有助于预测土壤污染物的最终结局。除运输和传质过程外，还进行了更为广泛的研究，并结合了微生物和微生物驱动的衰减机制。工厂对于预测整个多相情景中污染物的最终浓度至关重要。这项工作强调了通过执行实验室和/或实地规模试验以开发精确的污染物迁移模型来确定准确参数的重要性。

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《土壤圈（英文版）》 |2018年第6期|833-847|共15页
作者
María BALSEIRO-ROMERO; Carmen MONTERROSO; Juan J.CASARES;
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Department of Chemical Engineering, Centre for Research in Environmental Technologies(CRETUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain;

Department of Soil Science and Agricultural Chemistry, Centre for Research in Environmental Technologies(CRETUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain;

Department of Chemical Engineering, Centre for Research in Environmental Technologies(CRETUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782 Spain;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 eng
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Environmental Fate of Petroleum Hydrocarbons in Soil: Review of Multiphase Transport, Mass Transfer, and Natural Attenuation Processes

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