[INQ. NO. 2405M01] A portable small desalination machine that can produce fresh water with a small amount of power in underdeveloped countries was introduced at the 2024 World IT Show.
According to the CEO of Solarinno, the capacitive deionization (CDI) type of portable desalination device was developed to be carried and used by NGOs and international cooperation organizations working in underdeveloped countries.
The CDI device features technology that removes salt from salty water by using electricity. The sodium and chlorine ions in the salt water are moved to the negative and positive electrodes, respectively, so that only fresh water ultimately escapes. It ensures higher energy efficiency than existing filter or distillation-based desalination technologies.
Currently, the multi-stage distillation method, which desalinizes seawater by turning it into steam, and the reverse osmosis method, which uses a separation membrane to obtain pure water, require a lot of cost for operation and installation and have low energy efficiency.
The CEO continued, “It is a method of creating fresh water by adsorbing ions using electrical attraction, but the power consumption is low. With power consumption of 50 watts (W), approximately one ton (t) of fresh water can be produced per day.” This is similar to the power consumption of an incandescent light bulb (40~100W) or an electric fan (45~60W).
“Even small-sized solar panels can work,” he added, “We received a positive response at WETEX, an environmental technology exhibition, held in Dubai last year, and at this year’s CES in the USA ― and we are looking for sponsors such as large corporations and international cooperation organizations who will work with us as an aid business concept.”
The CEO concluded by saying, “Even if we cannot find a sponsor, we will proceed with the project focusing on technology development,” adding, “We plan to start mass production in the second half of this year at the latest and supply to underdeveloped countries such as Senegal, Kenya, and Ethiopia.”
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