Abstract
Wetland wastewater treatment commonly used in farming, but aquaculture wastewater often contains large amounts of antibiotics, making the wetland system there is uncertainty on the removal of contaminants. To this end, this paper four antibiotics (Ampicillin, Oxytetracycline, Bacitracin, Colistin sulfate) composite vertical flow constructed wetland wastewater treatment on the effects of mariculture. The results showed that for the next four kinds of antibiotics interfere IVCW with TOCNH3-NNO3--N removal rate decreased; But after some time, TE for TOC removal and CS for NO3--N removal was without interference. In addition, wetland microbial resistance to antibiotics will be gradually formed, the lower the formation of drug-resistant and high resistant faster than the upper level, and prolonged use of broad-spectrum antibiotics are more prone to tolerance.
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