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All Journal Jurnal EnviScience (Environment Science) Serambi Engineering
Mufidah, Shafa'ul
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering Public Health

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Penilaian Dampak Lingkungan Waste Water Treatment Plant (WWTP) pada PLTGU Menggunakan Pendekatan Life Cycle Assesment (LCA) Mufidah, Shafa'ul; Restu Hikmah Ayu Murti
Jurnal EnviScience (Environment Science) Vol. 8 No. 1 (2024): Environmental pollution on Human Health and Environment, Management Technology
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jev.v8i1.706

Abstract

PT. PLN Nusantara Power Unit Pembangkitan Gresik adalah perusahaan yang bergerak di bidang pembangkit listrik dengan distribusi wilayah Jawa – Bali, hasil dari proses pembangkitan listrik itu menghasilkan air limbah dengan rata rata sebesar 171,38 m3 perharinya. Life Cycle Assesment (LCA) adalah metode untuk menganalisis beban lingkungan di semua tahapan dalam siklus hidup dari produk dimulai dari ekstraksi sumber daya, proses produksi, produk itu sendiri, dan konsumsi produk sampai produk itu dibuang. Penelitian ini akan berfokus pada instalasi pengolahan air limbah di PT PLN Nusantara Power Unit Pembangkitan Gresik yang mengolah dari berbagai macam sumber air limbah diantaranya air limbah blow down tank, air limbah sampling rack, air limbah pit drain, air limbah laboratorium dan air limbah regenerasi resin dengan tujuan untuk menyesuaikan parameter baku mutunya sebelum disalurkan ke badan air yang sesuai dengan Peraturan Undang-Undang Nomor 3 Tahun 2014.  Pada penelitian ini, penilaian dampak lingkungan dilakukan pada WWTP PT. PLN Nusantara Power Unit Pembangkitan Gresik untuk mengetahui dampak lingkungan yang dihasilkan menggunakan software openLCA. Analisis dampak dilakukan dengan metode Impact 2002+ dengan hasil analisis didapatkan tiga dampak terbesar pada WWTP yaitu non renewable energy, aquatic ecotoxity dan ionizing radiation dan pada unit proses sludge enrichment tank dan sludge storage memiliki dampak terendah dalam analisa yang dilakukan.
Komparasi Kinerja Membran Ultrafiltrasi Polyvinylidene Fluoride   dan Polivinyl Chloride  Pada Air Sungai Jagir dalam Menurunkan TDS Mufidah, Shafa'ul; Restu Hikmah Ayu Murti
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aimed to evaluate the performance of PVDF and PVC ultrafiltration membranes coated with Al2O3 in removing total dissolved solids (TDS) from Sungai Jagir river water after a pre-treatment adsorption using Granular Activated Carbon (GAC). The adsorption process was conducted for 10 minutes before the water was filtered through the membranes under various operating pressures (1, 1.5, and 2 bar) and operation times (0.1–0.5 h). The results showed that both membranes exhibited an increase in TDS rejection efficiency with longer operation time, while pressure had a limited effect. The PVDF membrane demonstrated consistently higher TDS rejection compared to PVC, suggesting that membrane surface properties influence solute removal efficiency. Statistical analysis using three-way ANOVA revealed that operation time had a significant effect on TDS rejection, whereas pressure did not show a notable impact. These findings indicate that contact duration between water and membrane plays a crucial role in reducing TDS in river water through ultrafiltration.
Co-Authors Murti, Restu Hikmah Ayu