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- 저자 : Golshan Moradi (검색결과 1 건)
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Golshan Moradi,Rouhollah Heydari,Sirus Zinadini,Masoud Rahimi 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.124 No.-
A high-performance thin film composite (TFC) nanofiltration (NF) membrane was prepared by thefurosemide-modified chitosan (CS@FS) composite assisted pectin (PC) functionalization of the polyethersulfone(PES) NF membrane for antibiotic removal and pharmaceutical wastewater treatment. Analysesby Fourier transform infrared (FTIR) confirmed successful modification of CS. The effect of CS@FS-co-PCon physicochemical characteristics and separation performance of the prepared membrane was studied. The CS@FS-co-PC TFC membranes indicated a smoother surface with decreased water contact angle. Upon introduction of CS@FS-co-PC with 0.5 wt.% CS@FS on the membrane surface, the resultant TFCmembrane (TFC-0.5) achieved pure water flux (PWF) of 47.8 L/m2h, high flux recovery ratio (FRR) of94.2%, and irreversible fouling ratio (DRir) of 5.8%. All prepared TFC membranes showed more than91% rejection for both studied antibiotics. In the optimized conditions, ceftriaxone (CRO) and cefixime(CFM) rejections using TFC-0.5 membrane were 99.9 and 99.7%, respectively. Moreover, the CS@FS-co-PC TFC NF membranes show outstanding separation performance for pharmaceutical wastewater treatment(COD removal efficiency of 92.0%±1.1, TDS removal of 56.1 ± 1.0%, and complete turbidity removal). The present study aimed to prepare a TFC membrane that can indicate high antibiotic rejection and resistanceto fouling for pharmaceutical wastewater treatment applications.
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