Effects of ibuprofen and its transformation products on algal-bacterial granular sludge system.
Nie J, Ouyang R, Ge H, Cai L, Wang S
Summary
PubMedCommon painkillers like ibuprofen end up in wastewater and can disrupt treatment, but researchers found that a system combining algae and bacteria can effectively handle moderate pharmaceutical levels. This suggests waste treatment plants may be more resilient to drug pollution than previously expected.
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Key Findings
The algae-bacteria treatment system maintained 81.8% nutrient removal when exposed to 0.5-5 mg/L ibuprofen during Phase I
Ibuprofen is a ubiquitous pharmaceutical micropollutant that challenges conventional wastewater treatment processes
The biological system demonstrated adaptive responses to pharmaceutical stress, indicating greater resilience than previously understood
Original Abstract
Ibuprofen (IBP), a ubiquitous pharmaceutical micropollutant, poses a significant challenge to conventional biological wastewater treatment processes. This study systematically investigated the treatment efficacy and adaptive responses of algal-bacterial granular sludge (ABGS) under IBP-induced stress. During Phase I (0.5-5 mg/L IBP), the ABGS system maintained robust nutrient removal (COD: 81.8 ± 15.1%; NH
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