Performance of Ultrasonic Atomization on Mini Sea Water Humidification and Dehumidification Technology

Putra, I Dewa Gede Agus Tri and Sunu, Putu Wijaya and Sudirman, Sudirman and Sugiartha, Nyoman and Temaja, I Wayan and Septiadi, Wayan Nata (2021) Performance of Ultrasonic Atomization on Mini Sea Water Humidification and Dehumidification Technology. In: The 2nd International Conference on Experimental and Computational Mechanics in Engineering, 13-14 October 2020, Banda Aceh.

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Abstract

Ultrasonic atomization is one of methods to generate very narrow droplets on atmospheric pressure and ambient temperature. Droplets are ejected on low velocities and microns size distribution. Sea water distillation process removed salts and minerals from sea water as saline water. Normal salinity of the sea water is about 3500–4000 ppm. Many kinds of technology had been developed to convert saline water into fresh water with various methods and apparatus. This project wasperformed an experimental to observe the performance of new technology within humidification and dehumidification process that is assisted by ultrasonic humidifier. It has been performed a mini humidification and dehumidification technology which utilized a commercial ultrasonic humidifier with power rating 10 watts and resonance frequency of 1.65 MHz. This work also analyses measurement of the production of fresh water by their quality and quantity. Quality of the fresh water has been indicated by salt concentrations of output of mini seawater humidification and dehumidification technology and also number of output fresh water flow rate as their quantity. It has been measured about 1150–1165 ppm and the rate of fresh water production about 65–84 ml/h by single unit of ultrasonic humidifier.

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