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Research Progress on Remediation Technology for Polycyclic Aromatic Hydrocarbons (Pahs) Pollution
Summary
This systematic review covers remediation technologies for polycyclic aromatic hydrocarbon pollution, finding that microbial degradation is the most promising approach due to its efficiency and environmental friendliness. The review catalogues current knowledge on bacterial strain resources, metabolic pathways, and key genes involved in breaking down these persistent organic pollutants.
Polycyclic aromatic hydrocarbons (PAHs) are a class of persistent organic pollutants (POPs) widely distributed in the environment, with carcinogenic, teratogenic and mutagenic properties, posing a serious threat to ecosystems and human health. This study provides a systematic review of the structural characteristics of PAHs, their sources and their environmental hazards, and focuses on the principles, applications and limitations of several remediation technologies. Among them, microbial remediation has become a research hotspot due to its high efficiency and environmental friendliness. The article further focuses on the research progress of microbial degradation of PAHs, and discusses the current research status of strain resources, microbial metabolic pathways and key degradation genes. To provide theoretical basis and technical reference for PAHs pollution control.
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