Advances in microbial remediation of soils polluted by polycyclic aromatic hydrocarbons

被引：0
|
作者：
Lyu Y. [1 ,2 ,3 ,4 ]
Hu X. [1 ,2 ,3 ,4 ]
Chen S. [1 ,3 ,4 ]
Liu X. [1 ,3 ,5 ]
Chen B. [1 ,3 ,5 ]
Zhang M. [1 ,3 ,5 ]
机构：
[1] National Engineering Laboratory of Biohydrometallurgy, GRINM Group Corporation Limited, Beijing
[2] School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing
[3] GRINM Resources and Environment Tech. Co. Ltd, Beijing
[4] General Research Institute for Nonferrous Metals, Beijing
[5] GRIMAT Engineering Institute Co. Ltd., Beijing
来源：
Huagong Jinzhan/Chem. Ind. Eng. Prog. | 2022年 / 6卷 / 3249-3262期
关键词：
degradable Mechanism; microbial remediation; polycyclic aromatic hydrocarbons; soil contamination;
D O I：
10.16085/j.issn.1000-6613.2021-1482
中图分类号：
学科分类号：
摘要：
The pollution of polycyclic aromatic hydrocarbons (PAHs) in soil has become a serious environmental problem. Therefore, it is necessary to develop low cost and efficient technology of microbial remediation. Based on the environmental pollution characteristics of PAHs in soil, and combined with the research progress of removing PAHs from soil by microbial remediation technology in recent years, this paper analyzes the existing challenges and solutions of the engineering application. Then the mechanism of interaction between microorganisms and PAHs is introduced. It is pointed out that bacteria degrade PAHs mainly by dioxygenase, fungi degrade PAHs by monooxygenase, while algae degrade low-cyclicPAHs mainly by monooxygenase system, and high-cyclic PAHs mainly by dioxygenase system. Finally, the main research directions of remediation technology for PAHs contaminated soil in the future are proposed, including the establishment of screening system for efficient degrading bacteria, the construction of mixed microorganisms and genetically engineering bacteria, and the strengthening of the reaction process and metabonomics research, in order to provide guidance for the industrialization development and large-scale application of soil remediation technology in China. © 2022, Chemical Industry Press Co., Ltd.. All rights reserved.
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页码：3249 / 3262
页数：13
相关论文
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