微生物固定化技术修复石油烃污染土壤

Microbial Immobilization Technology for Bioremediation of Petroleum Hydrocarbon Contaminated Soil

石油烃是一类难降解的全球性污染物,石油烃污染土壤的修复一直是环境学者面临的挑战性课题。微生物固定化技术(MIT)拥有高效、稳定、低成本和环境友好性的优点,在土壤修复中展现出巨大的应用潜力。近年来,微生物固定化技术修复石油烃污染土壤的研究方兴未艾。微生物固定化技术已成为提高微生物对土壤中石油烃污染降解的有效途径。探讨了微生物固定化技术的研究进展,总结了固定化过程中载体材料、微生物、固定化方法和影响因素的不同特点及对于固定化效果的影响,阐述了固定化技术修复石油烃污染土壤的研究现状及发展趋势。

Petroleum hydrocarbons(PHs)are a kind of global pollutants that are difficult to degrade.The remediation of PHs contaminated soil has always been a challenging issue faced by environmentalists.Microbial immobilization technology(MIT)has the advantages of high efficiency,stability,low cost and environmental friendliness,and has shown great application potential in soil remediation.Research on remediation of PHs contaminated soil by MIT has received extensive attention and yielded fruitful results.MIT has become an effective way to improve the microbial degradation of PHs pollution in soil.Research progress of MIT was discussed in this paper.The different characteristics of carrier materials,microorganisms,immobilization methods and influencing factors during immobilization,as well as their influence on the immobilization effect were summarized.The research status and development trend of MIT for the remediation of petroleum hydrocarbon degradation pollution in soil were expounded.