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Sarah Farrell
Jun 16, 2021
In Workspace
Leonardo Da Vinci once poignantly said, “Water is the driving force of all nature”. Yet, despite 71% of the earth’s surface is covered in water, millions of people go without access to it every day. And of that, 97% of the earth's water is undrinkable salt water. SolarClear is a solar still made completely out of recycled and locally sourced materials that is designed to supplement the potable water supply, while not adding any more waste into the environment. SolarClear exploits the effects of the warm arid climate and coastal location of Lobitos and Piedritas to desalinate sea-water for drinking. The design incorporates a series of recycled plastic water bottles with a trapezoidal shape cut from the side and a small hole at the top. The bottles are placed side by side along a trough made of local Guayaquil cane and plastic sheeting. The design relies on the heat of the sun to evaporate the undrinkable salt water placed in the trough under the water bottles. It was decided to line the trough with a layer of black plastic to attract the heat of the sun and promote the evaporation of the salt water with the aim to increase the yield. Vapour will rise inside the plastic water bottles and will eventually condense into droplets on the roof of the water bottle. These droplets will drip down the inside of the bottles and emerge through the hole and finally collect in the trough or container below. The design can be easily scaled up and altered to meet the desired size and yield. With an estimated yield of up to 3L of water a day for a standard trough and a total maximum cost of €15.55, SolarClear offers and clean supplementary supply of potable water with any strenuous costs.
Team UK2021-037 | University College Dublin | SolarClear: Sustainable Solar Still content media
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