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Agus Sugiri, Agus
Lampung University
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Jurnal Polimesin

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Development of a sodium chloride (NaCl) eutectic phase change material for fish cold storage applications Risano, Ahmad Yudi Eka; Eriyadi, Riko; Irsyad, Muhammad; Sukmana, Irza; Sugiri, Agus; Saputra, Rizal Adi; Wahyudi, Heru
Jurnal Polimesin Vol 23, No 2 (2025): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i2.5547

Abstract

Sustainable marine resource management is essential, as the sea provides a vital source of nutrition for humans. Fish and shellfish are highly perishable, making effective low-temperature storage systems crucial for preserving their quality. This research developed a cold storage system utilizing Phase Change Material (PCM) for low-temperature applications. While water is commonly used as a PCM due to its excellent thermal properties, it is unsuitable for low-temperature applications because of its 0°C freezing point. To overcome this, sodium chloride (NaCl) was introduced as a solute to lower the freezing point, resulting in eutectic salt solutions with 3%, 6%, and 9% weight concentrations. Thermal characterization revealed that the 9% wt. NaCl solution exhibited the most favourable properties, achieving a freezing point of -5.8°C while maintaining a latent heat of fusion comparable to water. Experimental validation demonstrated that 5.6 kg of the 9% NaCl solution effectively maintained 5 kg of fish at approximately 0°C for 24.3 hours, with minimal temperature fluctuation. Organoleptic evaluation yielded a score of 8 at a 95% confidence level, indicating excellent preservation quality. These findings highlight the potential of NaCl eutectic solutions as cost-effective, sustainable alternatives to conventional refrigeration methods for seafood storage.  
Co-Authors . Sulistiyono, . A.Yudi Eka Risano A.Yudi Eka Risano, A.Yudi Eka Ainul Ghurri Andareas Wijaya Sitepu, Andareas Wijaya Chyanegoro, Arifo Gunawan Djuansjah, Joy Djuansjah, Joy R P Eriyadi, Riko Hadi Prayitno, Hadi Hamdani, Fadil Herry Wardono HERU WAHYUDI Ignatius, Gian Roni Irza Sukmana, Irza Jorfri B Sinaga, Jorfri B M. Dyan Susila M. Haviz Muhammad Irsyad Rahayu Lestari Rahman, Nur Syazwani Binti Ab Renardy, B Niko Rizal Adi Saputra Saputra, Rizal Ada Su'udi, Ahmad Subekti Bagus W, Subekti Syazwani, Nur Tarkono Vadival, G N