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Anggraini, Adinda Dhayu
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Social Sciences

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EFEKTIVITAS REVERSE OSMOSIS DALAM MENURUNKAN TDS PADA PENGOLAHAN LIMBAH CAIR INDUSTRI Anggraini, Adinda Dhayu
Jurnal Sains Riset Vol 15, No 2 (2025): September 2025
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Universitas Jabal Ghafur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47647/jsr.v15i2.3401

Abstract

Limbah cair industri berpotensi menimbulkan pencemaran lingkungan apabila tidak diolah dengan tepat, terutama karena kandungan padatan terlarut yang tinggi. Salah satu teknologi yang banyak digunakan untuk memperbaiki kualitas air limbah adalah Reverse Osmosis (RO) yang bekerja dengan membran semipermeabel. Penelitian ini bertujuan mengevaluasi efektivitas sistem RO dalam menurunkan kadar padatan terlarut total, kekeruhan, pH, dan kesadahan pada limbah cair industri. Data diperoleh dari hasil pengujian laboratorium terhadap sampel air pada inlet dan outlet unit RO, kemudian dianalisis secara deskriptif dengan menghitung efisiensi penyisihan. Hasil penelitian menunjukkan bahwa sistem RO mampu menurunkan kadar padatan terlarut dengan efisiensi lebih dari 95 persen, kekeruhan menurun lebih dari 90 persen, dan pH tetap stabil. Namun, penyisihan kesadahan cenderung fluktuatif sehingga perlu evaluasi lebih lanjut. Secara keseluruhan, teknologi RO efektif dalam meningkatkan kualitas limbah cair industri untuk penggunaan kembali yang lebih aman.
Efektivitas Membran Reverse Osmosis pada Pengolahan Limbah Cair di Industri Migas Anggraini, Adinda Dhayu; Mulyanti, Heri
Jurnal Jaring SainTek Vol. 7 No. 2 (2025): Oktober 2025
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/a68c4y04

Abstract

This study aims to evaluate the effectiveness of Reverse Osmosis (RO) membranes in reducing Total Dissolved Solids (TDS) in wastewater treatment in the oil and gas industry. High levels of TDS in industrial wastewater can affect equipment performance and does not meet water quality standards. The study used a descriptive quantitative approach with observation, interviews, literature studies, and company data analysis methods. The RO system implemented included pretreatment, chemical injection, high-pressure filtration, and storage of treated water. The results showed a significant decrease in TDS from 1,200 mg/L to 150 mg/L (efficiency 87.5%), turbidity from 3.2 NTU to 0.8 NTU (75%), and total hardness from 450 mg/L to 80 mg/L (82.2%), while pH was stable in the range of 6.8–7.1. These results prove that RO technology is capable of producing water with quality that meets the quality standards of the Minister of Health Regulation No. 492 of 2010. This study confirms the superiority of RO as an effective industrial water treatment method and recommends further research on operational costs, energy efficiency, and fouling control for long-term optimization.
Co-Authors Heri Mulyanti