Solar powered devices turn seawater into fresh water.

Solar powered devices turn seawater into fresh water. It could be a promising solution to the global water crisis problem. According to B...


Solar powered devices turn seawater into fresh water. It could be a promising solution to the global water crisis problem.

According to Business Insdier, the GivePower non-profit desalination system operating on the coast of Kiunga (Kenya) can produce 75,000 liters of fresh water per day. It meets the demand for clean water for at least 25,000 people.

'You need to find a way to create fresh water from the sea on a large scale but also have to be sustainable,' Hayes Barnard - GivePower chairman responded in an interview from Business Insider.



Seawater desalination facility in Kiunga, Kenya. Photo: inverse.com

Mr. Barnard hopes to scale this system globally to provide clean fresh water to areas where water is scarce daily.

According to the World Health Organization (WHO) and the United Nations Children's Fund (UNICEF), up to 1/3 of the global population has no access to clean fresh water. It is forecast that by 2025, half of the world's population will live in areas with severe water shortage.

Mr. Barnard said the desalination technology is not new, but it needs to use large capacity pumps and consume a lot of energy. That leads to the cost of filtering sea water into very expensive fresh water.

However, the GivePower-created solar grid can produce nearly 75,000 liters of fresh water per day.
The system runs on batteries that store energy from Tesla. It uses two pumps in parallel so the system can operate continuously, even if one pump needs maintenance.

As sea levels rise, scientists predict that seawater will intrude saline water into more freshwater resources in coastal areas. In fact, that is no longer assumed. In 2014, a prolonged drought in Kiunga. This has forced people to drink saline well water, despite knowing the risk of kidney failure.

The cost to build GivePower's first desalination facility in Kiunga is around US $ 500,000 and takes a month to complete. The organization hopes to collect $ 100,000 annually from operating the system and using that money to support the construction of facilities in many other places.

Mr. Barnard's goal is to reduce the construction cost of each facility to US $ 100,000. In the future, Mr. Barnard wants to encapsulate a smaller modular solar desalination system using only a pump with a 15 kilowatt grid and three Tesla batteries.

Funding for GivePower projects comes from the generosity of many companies and individuals. In 2018, Bank of America Bank announced its support of USD 2,500,000. GivePower's project is also being implemented in Isle de la Gonâve (Haiti) and Mombasa (Kenya).

One of the challenges after the operation of seawater desalination facilities is to distribute fresh water to households. Mr. Barnard expects local people and organizations at each volunteer installation site to contribute to the distribution of fresh water. Hospitals, schools and hotels will also have to pay to buy thousands of liters of fresh water each day.

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High Tech Brain: Solar powered devices turn seawater into fresh water.
Solar powered devices turn seawater into fresh water.
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