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3. Effects of water matrix on the rejection of neutral pharmaceutically active compound by thin-film composite nanofiltration and reverse osmosis membranes

Author

Izaz Ali Shah, Sharafat Ali, Zhe Yang, Ihsanullah Ihsanullah, and Haiou Huang

Subjects
Osmosis, Environmental Engineering, Health, Toxicology and Mutagenesis, Public Health, Environmental and Occupational Health, Environmental Chemistry, Water, Membranes, Artificial, General Medicine, General Chemistry, Sodium Chloride, Pollution, Filtration, Water Purification
Abstract

Thin-film composite (TFC) nanofiltration (NF) and reverse osmosis (RO) membranes have been widely used to remove pharmaceutically active compounds (PhACs) from water and wastewater. However, limited information is available to present the rejection of neutral PhACs under complex water matrices. In this study, we used acetaminophen (AAP) as a representative neutral pollutant to study the effects of feedwater matrices on the rejection of neutral PhACs by NF and RO membranes. The results showed that the permeation of solutes and water through NF and RO membranes followed the classical solution-diffusion model. The corresponding permeability coefficients of AAP for the RO membrane showed good consistency, with average values ranging between (6.19-7.56) × 10

Published
2022

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