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Ian Kurniawan
Department Of Chemical Engineering, Faculty Of Engineering, Universitas PGRI Palembang, Palembang
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Removal of the Most Probable Number of coli from Hospital Wastewater Using Nanofiltration Membranes Ian Kurniawan
Science Journal Get Press Vol 2 No 3 (2025): July, 2025
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v2i3.168

Abstract

Hospitals are significant sources of wastewater containing pathogenic microorganisms, particularly enteropathogenic and toxigenic Escherichia coli (E. coli), which pose serious health and environmental risks if left untreated. This study evaluated the effectiveness of nanofiltration (NF) membranes in reducing E. coli concentrations in hospital wastewater using the Most Probable Number (MPN) method. Samples were collected from a type B hospital in Palembang, Indonesia, and treated with NF membranes operated at 60 psi and contact times between 10 and 60 seconds.The NF membrane achieved high removal efficiencies ranging from 99.75% to 100%, with complete elimination of E. coli at retention times of 30 seconds or more. This confirms nanofiltration as an effective tertiary treatment method for improving the microbiological quality of hospital effluent and ensuring compliance with discharge standards. The membrane's performance is attributed to its fine pore size and electrostatic repulsion of bacterial cells.To enhance practical application, future studies should focus on scaling up to full or industrial levels, evaluating long-term performance, fouling behavior, maintenance needs, and economic feasibility. Such efforts are vital to integrating nanofiltration into sustainable hospital wastewater management systems that protect public and environmental health.
Co-Authors Adri Huda Aeni, Maria Nur Aeni, Maria Nur Agus Sholeh Amiwarti, Amiwarti Aryansyah Batubara Bakrie, Muhammad Bastian Bastian Bayu Sulistyo Berti Betrandas Rosari Ngole Efila, Maria Rosari Eka Yuniar Endang Endang Fatimura, Muhrinsyah FAUZIYAH Fitriyanti, Reno Fransiska Soejono Herri Purwanto Hotman Sinaga Husnah Ida Ayu Putu Sri Widnyani Maria Nur Aeni Nur Aeni Mariadi, Pra Dian Marison Sinaga Nabila Aprianti Natalia Natalia Natalia Natalia Neny Rochyani Ni Wayan Kurniani Karja Nita Nurdiana Nurlela Pitoyo, Urbanus Dwi Adi Pra Dian Mariadi Pra Dian Mariadi Pra Dian Mariadi Pra Dian Mariadi Pra Dian Mariadi, Pra Dian Pratama, Yohanes Dicka R. Kristoforus Jawa Bendi R. Kristoforus Jawa Bendi Ratih Wijayanti, Ratih Reisya Ichwani Richa Fionasari Rosnita Sebayang Rully Masriatini Sebayang, Rosnita Sinaga, Hotman Sinaga, Hotman Sri Gustari Theresia Anita Theresia Sunarni Wahyudi, Agus wida fatma sari Wiguna, V.C. Gracia Putri Wiranatanegara, Yahya Yahya Wiranatanegara Yuke Rizky Amelia