Abstract
Due to the irrational use of antibiotics, antibiotic resistance genes are widely present in the environmental media of our lives. Antibiotics have potential environmental and public health risks, and they bring harm to the environment in which we live. Sewage treatment plants are antibiotic resistance genes’ repository and important process for removing antibiotic resistance genes. The different processes they use in sewage treatment plants, the effect of removing antibiotic resistance genes is also different. In order to discuss the impact of different processes on the removal of antibiotic resistance genes, we selected three wastewater treatment plant samples with different treatment processes for testing, and used the fluorescence quantitative analysis technology of 16SrRNA gene to study the abundance, distribution and diversity of antibiotic resistance genes in different treatment processes. The results showed that the AAO process, the oxidation ditch process, and the CASS process all have high removal effect on antibiotic resistance genes, they all can reduce the diversity and abundance of antibiotic resistance genes, and the oxidation ditch process is the best process of the three treatment processes.
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