Redatu Putri, Yolanda Aprian (2025) KINERJA MEMBRAN PVDF DALAM ULTRAFILTRASI PENGOLAHAN AIR SUNGAI DENGAN VARIASI JENIS ADSORBEN PADA TAHAP PRE-TREATMENT. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
This study aims to analyze the performance of PVDF (Polyvinylidene Fluoride) membranes in the ultrafiltration process with different pre-treatment adsorbents, namely activated carbon and zeolite, for river water treatment. The parameters investigated were turbidity, Total Dissolved Solids (TDS), and Total Coliform under varying ultrafiltration operating pressures (1 bar, 1.5 bar, and 2 bar). The results demonstrated that the application of adsorbents as a pre-treatment step effectively reduced pollutant loads, thereby improving membrane resistance to fouling. The activated carbon–UF combination showed better initial turbidity removal but was more prone to fouling due to fine carbon particle release. In contrast, the zeolite– UF combination provided better flux stability and higher overall removal efficiency for all parameters. The optimum condition was achieved with the zeolite–UF combination at 1.5 bar, which successfully reduced turbidity by >93%, decreased TDS by 6–7%, and removed more than 99% of Total Coliform. Therefore, this combination is recommended as an effective river water treatment strategy to produce safe and clean water. Keywords: Ultrafiltration, PVDF, activated carbon, zeolite, turbidity, TDS, Total Coliform.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | Q Science > QD Chemistry Q Science > QR Microbiology T Technology > TD Environmental technology. Sanitary engineering |
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| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Yolanda Aprian Redatu P | ||||||||
| Date Deposited: | 03 Nov 2025 06:21 | ||||||||
| Last Modified: | 03 Nov 2025 06:21 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/45994 |
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