Research Progress of Antibiotic Resistance Genes Removal in Food Waste During Anaerobic Digestion

被引：0
|
作者：
Cui L.-H. [1 ]
Wang X. [2 ]
Huang J.-W. [3 ]
Fei Q. [1 ,4 ]
Ma Y.-Q. [1 ,4 ]
机构：
[1] School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an
[2] Xi’an WELLE Environmental Technology Group Co.，Ltd., Xi’an
[3] WELLE Environmental Technology Group Co.，Ltd., Changzhou
[4] Xi’an Key Laboratory of C1 Compound Bioconversion Technology, Xi’an
来源：
Huanjing Kexue/Environmental Science | 2024年 / 45卷 / 07期
关键词：
anaerobic digestion（AD）; antibiotic resistance genes（ARGs）; biomethane; food waste; mobile genetic elements（MGEs）;
D O I：
10.13227/j.hjkx.202307162
中图分类号：
学科分类号：
摘要：
Food waste is one of the important reservoirs of antibiotic resistance genes（ARGs），and its resource utilization has potential environmental risks. Anaerobic digestion （AD）technology can concurrently achieve resource recovery and ARGs removal，which is one of the popular resource technologies for food waste management. However，the removal efficiency of ARGs during the AD process is limited，and thus the safety of digestate for agricultural use is still questioned. Therefore，how to improve the performance of ARGs removal during the AD process is critical for efficient and environmentally friendly bioconversion of food waste. This study summarized the transmission pathways and mechanisms of ARGs in food waste；discussed the effects of different operation parameters on the transmission of ARGs in food waste during the AD process；described the research progress of exogenous addition of conductive materials，feedstock pretreatment，etc. ，strategies to enhance the removal of ARGs；and analyzed the migration regularity and removal mechanism of ARGs in food waste during the AD process，which mainly included microbial community structure evolution，mobile genetic element changes，and environmental factor changes. Finally，this study prospected the future improvement of methane yield and ARGs removal in the AD process of food waste based on the existing research. © 2024 Science Press. All rights reserved.
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页码：4352 / 4360
页数：8
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