ANALISIS KARAKTERISTIK MEMBRAN BERBAHAN POLYETHERSULFONE (PES) DENGAN PENAMBAHAN PERAK NITRAT (AgNO3) SEBAGAI PENGAPLIKASIAN PENGOLAHAN AIR

HAFIDZ, ARSYAN FAIZ IRZA and Mataram, Agung (2025) ANALISIS KARAKTERISTIK MEMBRAN BERBAHAN POLYETHERSULFONE (PES) DENGAN PENAMBAHAN PERAK NITRAT (AgNO3) SEBAGAI PENGAPLIKASIAN PENGOLAHAN AIR. Undergraduate thesis, Sriwijaya University.

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Abstract

Water is one of the essential elements for human life, as it plays a crucial role in various aspects of life. Therefore, the fulfillment of the need for adequate clean water is one of the basic rights of the community that must be guaranteed. This study aims to analyze the characteristics of Polyethersulfone (PES) based membrane with the addition of Silver Nitrate (AgNO₃) as an alternative material in water treatment applications. The modification was done through molding method with 25 kV DC electric field and AgNO₃ concentration variation of 1%, 1.5%, and 2%. Characterization was carried out through tensile testing (ASTM D638) Type IV: 2008 Standard Test Method for Tensile Properties of Plastics, Scanning Electron Microscope (SEM), and Clean Water Permeability (CWP). The results showed that the addition of AgNO₃ had an impact on mechanical strength and water permeability. Membranes with 1% AgNO₃ concentration showed the highest tensile strength and water flux, at 5.0009 MPa and 6.117 L-m-²-h-¹-bar-¹, respectively. Meanwhile, an increase in AgNO₃ concentration caused particle agglomeration, pore irregularity, and a decrease in porosity and mechanical strength. SEM observations revealed differences in microstructure between the concentration variations, where the membrane with 2% AgNO₃ showed a rough texture and uneven pore distribution. These results suggest that the use of AgNO₃ in optimum levels can increase the effectiveness of membranes in water treatment applications.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Polyethersulfone (PES), Silver nitrate (AgNO₃), Electric Field, Clean Water Permeability (CWP), Scanning Electron Microscope (SEM).
Subjects:	T Technology > T Technology (General) > T175-178 Industrial research. Research and development T Technology > TJ Mechanical engineering and machinery > TJ1125-1345 Machine shops and machine shop practice > TJ1180 Machining, Ceramic materials--Machining-Strength of materials-Machine tools-Design and construction > TJ1180.M28 Composite materials, Machining T Technology > TP Chemical technology > TP1080-1185 Polymers and polymer manufacture > TP1180.P67.A38 Polyolefins. Nanocomposites (Materials) Fillers (Materials) TECHNOLOGY & ENGINEERING / Material Science TECHNOLOGY & ENGINEERING / Textiles & Polymers
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Arsyan Faiz Irza Hafidz
Date Deposited:	11 Aug 2025 02:49
Last Modified:	11 Aug 2025 02:49
URI:	http://repository.unsri.ac.id/id/eprint/182596

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