Current Progress on Antibiotic Resistance Genes Removal by Composting in Sewage Sludge: Influencing Factors and Possible Mechanisms

被引:0
作者
Basil, Shava [1 ]
Zhu, Chun [2 ]
Huo, Zongli [2 ]
Xu, Sai [1 ]
机构
[1] Nanjing Univ Sci & Technol, Sch Environm & Biol Engn, Jiangsu Key Lab Chem Pollut Control & Resources Re, Nanjing 210094, Peoples R China
[2] Jiangsu Prov Ctr Dis Control & Prevent, Nanjing 210009, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
antibiotic resistance genes; sewage sludge; composting; research hotspots; bibliometrics; BACTERIAL COMMUNITIES; MANURE; DIVERSITY; ABUNDANCE; TEMPERATURE; SUCCESSION; RESISTOME; ELEMENTS; BIOCHAR; ZEOLITE;
D O I
10.3390/w16213066
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Antibiotic resistance genes (ARGs) present in sewage sludge pose significant environmental and public health challenges. Composting has emerged as a promising method to mitigate these risks by reducing ARGs. This review paper evaluated the current progress in the removal of ARGs through composting, incorporating a bibliometric analysis of 228 publications from January 2010 to January 2024. This review highlights the increasing scholarly interest in this field, with a notable rise in publications since 2010. Key mechanisms identified include the denaturation of proteins and DNA at high temperatures, the adsorption of antibiotics and heavy metals by additives like biochar, and shifts in microbial communities, all contributing to the reduction of ARGs during composting. Despite these findings, challenges remain in achieving consistent ARG removal rates, addressing the potential for ARG regrowth, and understanding horizontal gene transfer post-composting. This review suggests further research into optimizing composting conditions and integrating additional treatment methods to enhance ARG removal and minimize associated risks.
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页数:21
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