Effect of Using Phase Change Material (PCM) Paraffin Wax and Lauric Acid as Heat Storage on Water Productivity in Solar Desalination

IRAWAN, DODDY and FADHILAH, RAUDHATUL and SARWONO, EKO and HENDRIK, VINSENSIUS (2023) Effect of Using Phase Change Material (PCM) Paraffin Wax and Lauric Acid as Heat Storage on Water Productivity in Solar Desalination. International Journal of Mechanical Engineering, 8. pp. 1-11. ISSN ISSN: 2367-8968

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Abstract

Increasing levels of water pollution and depleting the availability of fresh and clean water that exists, as is the case in coastal areas (beaches) where it is still difficult to get clean water, make it better if sea water is used to be processed into clean water by eliminating The salt content contained in seawater has become one of the problems that must be solved, considering that water is one of the resources used to meet human needs. One solution to overcome the problem of the availability of fresh and clean water through distillers or converting existing seawater into fresh and clean water is a solar desalination device, which utilizes solar heat radiation to heat water in a desalination device. In this research, the solar desalination device will be added with phase change material (PCM) as a storage medium and heat release, the PCM used in this research is paraffin wax and lauric acid. The PCM will be inserted into a stainless-steel ball with a diameter of 3 inches. maximum total distillate occurred when using PCM paraffin wax compared to using lauric acid, and when not using PCM, namely for paraffin obtained 990ml/m2 -day, lauric acid 928ml/m2 -day, and when not using PCM 818ml /m2 -day. So, it can be said that solar desalination with the addition of PCM, especially paraffin, can increase the required distillate water yield.

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