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All Journal Jurnal Rekayasa Proses International Journal of Renewable Energy Development CHEESA: Chemical Engineering Research Articles Jurnal Rekayasa Proses ASEAN Journal on Science and Technology for Development International Journal of Renewable Energy Development Jurnal Rekayasa Proses
Prasakti, Laras
Chemical Engineering Department, Faculty Of Engineering, Universitas Gadjah Mada, Jalan Grafika No. 2, Yogyakarta 55281, Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Mathematics Social Sciences

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Effect of salt concentration on the properties of electrolyzed reducing water (ERW) and electrolyzed oxidizing water (EOW): an empirical correlation study Prasakti, Laras; Yogihaz, Billy Dion; Subekti, Lukman; Sujarwo, Anton; Prasetya, Agus
Jurnal Rekayasa Proses Vol 16 No 2 (2022): Volume 16, Number 2, 2022
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.69673

Abstract

This research aimed to examine the effect of NaCl concentration on the pH and Oxidation Reduction Potential (ORP) values of both EOW and ERW products. The experiment was conducted using distilled water. The electrolysis apparatus consisted of anode and cathode chambers. The chambers were connected by a tube filled with a cotton (or a fabric). Both electrodes (anode and cathode) were made of titanium and formed as a spiral. Electrolysis was performed for 780 minutes, and the pH and ORP values of both EOW and ERW were measured every time. Sodium chloride concentration was varied for 0, 100, and 200 ppm. Experimental results revealed that the higher the NaCl concentration, the higher ERW’s pH rise and the lower the EOW’s pH. Similar results were found for ORP. ERW’s ORP was lowered while EOW’s ORP rose with the increase in NaCl concentration. This study could also generate a mathematical model that correlates pH and time during the electrolysis process. The model was developed by connecting with a simple polynomial. A similar approach was used to develop the model that correlates pH and ORP value.
Co-Authors Agus Prasetya Agus Prasetya Anton Sujarwo Anton Sujarwo, Anton Arief Budiman Arief Budiman Billy Dion Yogihaz Lukman Subekti Lukman Subekti Martomo Setyawan Martomo Setyawan Mohamad Endy Y Yulianto Muhammad Fajar Setiaji Muhammad Hartono Mustikaningrum, Mega Pandu Prabowo Jati Panut Mulyono Panut Mulyono Pradana, Yano Surya Rochmadi Rochmadi Sang Kompiang Wirawan Sarah Nabila Salma Satryo Dewanto Suryohendrasworo Sudibyo, Hanifrahmawan Sutijan Sutijan Sutijan Yano Surya Pradana Yogihaz, Billy Dion