ANALISIS KARAKTERISTIK MEMBRAN PENGOLAHAN AIR DARI BAHAN POLYETHERSULFONE DENGAN PENAMBAHAN PERAK NITRAT

PRASATYA, IQBAL NOVA and Mataram, Agung (2024) ANALISIS KARAKTERISTIK MEMBRAN PENGOLAHAN AIR DARI BAHAN POLYETHERSULFONE DENGAN PENAMBAHAN PERAK NITRAT. Undergraduate thesis, Sriwijaya University.

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Abstract

Membrane is a thin sheet or flexible film that serves as a selective separator between two phases due to its semipermeable nature. Membrane is one of the water purification technologies that has several advantages compared to conventional methods, including efficient energy use, sustainable operation capability, varied membrane materials, and excellent water quality. This study aims to analyze the effect of mixing AgNO3 variations and DC 15000V current electric field treatment on polyethersulfone-based membranes on their characteristics, such as surface microstructure, mechanical properties, and water filtration performance. In the research data, observation of the membrane surface microstructure using a scanning electron microscope showed that increasing the AgNO3 content in the membrane mixture resulted in the membrane surface becoming rougher, uneven pore distribution so that the membrane had a weak pore bonding structure, decreased porosity and pore size, and triggered pore blocking by agglomeration. Modification of the 15000V DC electric field treatment in the membrane molding process helps the membrane mixture solution stretch so that pores form in the membrane. Tensile testing and clean water permeability showed results that were inversely proportional to the variation in AgNO3 concentration, when the lowest concentration, namely 1,5wt%, obtained the highest tensile strength and flux values but when the highest concentration, namely 2,5wt%, the results obtained tended to be the lowest. Keywords: membrane, polyethersulfone, silver nitrate, electric field, membrane characteristics

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	membran, polyethersulfone, perak nitrat, struktur mikro, kekuatan tarik, nilai fluks
Subjects:	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:	Iqbal Nova Prasatya
Date Deposited:	25 Mar 2024 04:32
Last Modified:	25 Mar 2024 04:51
URI:	http://repository.unsri.ac.id/id/eprint/142443

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