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期刊名称: Journal of Hazardous Materials
Volume:285    Page:419-435

Use of surfactants for the remediation of contaminated soils: A review期刊论文

作者: Mao Xuhui Jiang Rui Xiao Wei Yu Jiaguo

页码: 419-435
被引频次: 226
出版者: Elsevier B.V,ELSEVIER
期刊名称: Journal of Hazardous Materials
ISSN: 0304-3894
语言: English
摘要: Due to the great harm caused by soil contamination, there is an increasing interest to apply surfactants to the remediation of a variety of contaminated soils worldwide. This review article summarizes the findings of recent literatures regarding remediation of contaminated soils/sites using surfactants as an enhancing agent. For the surfactant-based remedial technologies, the adsorption behaviors of surfactants onto soil, the solubilizing capability of surfactants, and the toxicity and biocompatibility of surfactants are important considerations. Surfactants can enhance desorption of pollutants from soil, and promote bioremediation of organics by increasing bioavailability of pollutants. The removal of heavy metals and radionuclides from soils involves the mechanisms of dissolution, surfactant-associated complexation, and ionic exchange. In addition to the conventional ionic and nonionic surfactants, gemini surfactants and biosurfactants are also applied to soil remediation due to their benign features like lower critical micelle concentration (CMC) values and better biocompatibility. Mixed surfactant systems and combined use of surfactants with other additives are often adopted to improve the overall performance of soil washing solution for decontamination. Worldwide the field studies and full-scale remediation using surfactant-based technologies are yet limited, however, the already known cases reveal the good prospect of applying surfactant-based technologies to soil remediation.
相关主题: Biosurfactant, Surfactant-based remediation, Surfactant, Mechanism, Gemini, Combined use, HYDROPHOBIC ORGANIC-COMPOUNDS, HEAVY-METALS, NONIONIC SURFACTANTS, ENVIRONMENTAL APPLICATIONS, ELECTROKINETIC REMEDIATION, PILOT-SCALE DEMONSTRATION, ENVIRONMENTAL SCIENCES, ENGINEERING, ENVIRONMENTAL, PETROLEUM-HYDROCARBONS, ENHANCED REMEDIATION, GEMINI SURFACTANTS, LINEAR ALKYLBENZENE SULFONATE, Soil Pollutants - metabolism, Surface-Active Agents - chemistry, Environmental Restoration and Remediation - methods, Soil Pollutants - chemistry, Surface active agents, Soils,






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