AI Article Synopsis
- This study focuses on the problem of lincomycin (LIN) contaminating pharmaceutical wastewater, which can harm municipal treatment facilities and the environment.
- Researchers developed a bacterium-microalgae consortium co-immobilized filter (BMCCF) to effectively remove LIN from artificial wastewater.
- The BMCCF showed a remarkable 98.54% removal efficiency of LIN in just 7 days, with less toxic degradation products, indicating its potential as a viable solution for treating high concentrations of LIN in wastewater.
Article Abstract
Lincomycin (LIN) in pharmaceutical wastewater would enter municipal wastewater treatment plants and decrease their performance, leading to residual LIN enter the natural environment and pose serious eco-risk. In this study, a bacterium-microalgae consortium co-immobilized filter (BMCCF) was established and used to remove LIN in artificial pharmaceutical wastewater treatment plants effluents (PWWTPE). LIN removal mechanisms and degradation products' eco-toxicity was studied, and the abundance change of class 1 integrase gene (intI1) and antibiotic resistance genes (ARGs) was monitored. As a result, 98.54% of 82 mg L LIN was removed within 7 days, LIN removal was mainly attributed to bio-degradation by the Bacillus subtilis strain, and LIN degradation products were less toxic than their substrate. Therefore, the BMCCF established in this study provides a promising alternative for the bio-treatment of pharmaceutical wastewater containing high concentration of LIN.
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| http://dx.doi.org/10.1016/j.biortech.2024.131704 | DOI Listing |
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