共查询到18条相似文献,搜索用时 72 毫秒
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石油污染土壤的生物修复研究进展 总被引:2,自引:0,他引:2
综述治理石油污染土壤的生物修复技术研究进展。分析讨论了影响石油污染土壤的生物修复过程的主要因素,并总结了生物强化手段的未来发展方向。 相似文献
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污染土壤原位生物修复 总被引:1,自引:0,他引:1
原位生物修复在治理污染土壤中的作用日益突出,因而对于原位生物修复的研究愈加受到重视。文中针对原位生物修复特点、发展情况进行了综述。并对其进行了展望、提出了一些研究方向。 相似文献
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土壤重金属污染的生物修复法研究 总被引:1,自引:0,他引:1
文章系统论述了治理土壤重金属污染的生物修复法(主要包括:植物修复法、微生物修复法、动物修复法)及未来治理土壤重金属污染的研究方向,以期提高对土壤重金属污染的重视,为今后土壤重金属污染治理提供科学的依据。 相似文献
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有机污染物在环境中具有毒性大、持久性强和生物富集等特点,对人体存在潜在危害,亟需对受有机污染的土壤和地下水进行有效修复。生物修复技术在土壤及地下水修复方面具有较大的应用潜力。综述了有机污染土壤及地下水的生物修复技术,为生物修复技术的研究拓展与应用实践提供思路与借鉴。 相似文献
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Marta Roszak Joanna Jaboska Xymena Stachurska Kamila Dubrowska Justyna Kajdanowicz Marta Gobiewska Anna Kiepas-Kokot Beata Osiska Adrian Augustyniak Jolanta Karakulska 《International journal of molecular sciences》2021,22(24)
The main objectives of this study were to isolate bacteria from soil chronically contaminated with polycyclic aromatic hydrocarbons (PAHs), develop an autochthonous microbial consortium, and evaluate its ability to degrade PAHs in their native contaminated soil. Strains with the best bioremediation potential were selected during the multi-stage isolation process. Moreover, to choose bacteria with the highest bioremediation potential, the presence of PAH-degrading genes (pahE) was confirmed and the following tests were performed: tolerance to heavy metals, antagonistic behavior, phytotoxicity, and antimicrobial susceptibility. In vitro degradation of hydrocarbons led to the reduction of the total PAH content by 93.5% after the first day of incubation and by 99.22% after the eighth day. Bioremediation experiment conducted in situ in the contaminated area resulted in the average reduction of the total PAH concentration by 33.3% after 5 months and by over 72% after 13 months, compared to the concentration recorded before the intervention. Therefore, this study implicates that the development of an autochthonous microbial consortium isolated from long-term PAH-contaminated soil has the potential to enhance the bioremediation process. 相似文献
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作为环境和生态系统重要的组成部分,土壤极易被污染,土壤污染是环境和土壤科学研究者近年来关注的热点。综述了土壤污染的来源、特点及危害,介绍了各种修复方法,认为生物修复是今后土壤污染治理技术的发展方向。 相似文献