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  • Công bố khoa học và công nghệ Việt Nam

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Đặng Thị Tố Nữ(2), Lê Thị Thảo Viễn(1), Nguyễn Thị Lan, Nguyễn Thị Nghĩa, Nguyễn Đình Dốc

NGHIÊN CỨU CHẾ TẠO MÀNG LỌC NANO THEO PHƯƠNG PHÁP TRÙNG HỢP BỀ MẶT VỚI MONOMER SINH HỌC DOPAMINE

STUDY ON FABRICATION OF NANOFILTRATION MEMBRANE BY INTERFACIAL POLYMERIZATION WITH DOPAMINE BIOMONOMER

Tạp chí Phân tích Hóa, Lý và Sinh học

2022

4

43

In this study, we introduce a thin film composite (TFC) nanofiltration (NF) membrane prepared by the interfacial polymerization (IP) using dopamine-biomonomer with trimesoyl chloride (TMC). The cellulose acetate (CA) ultrafiltration membrane was used as a support layer. Dopamine can not only firmly adhere to the support layer but also can form a uniform polyamide layer to improve water transport and separation. The fabricated TFC NF properties were characterized using modern techniques, including attenuated total reflectance-Fourier transform infrared spectroscopy (ATRFTIR), scanning electron microscopy (SEM), and contact angles. Dopamine-based TFC NF membrane exhibited a high permeability of 48.2 L m-2 h-1 bar-1 and a congo red rejection of 99.3%.

In this study, we introduce a thin film composite (TFC) nanofiltration (NF) membrane prepared by the interfacial polymerization (IP) using dopamine-biomonomer with trimesoyl chloride (TMC). The cellulose acetate (CA) ultrafiltration membrane was used as a support layer. Dopamine can not only firmly adhere to the support layer but also can form a uniform polyamide layer to improve water transport and separation. The fabricated TFC NF properties were characterized using modern techniques, including attenuated total reflectance-Fourier transform infrared spectroscopy (ATRFTIR), scanning electron microscopy (SEM), and contact angles. Dopamine-based TFC NF membrane exhibited a high permeability of 48.2 L m-2 h-1 bar-1 and a congo red rejection of 99.3%.