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New Solar based Water Purification Technique achieves almost %100 Efficiency

1,574 views · Published 16 May 2018 · 1:17 · Indexed 27 October 2026

Channel: Rajamanickam Antonimuthu · 2018 · Science & Technology

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The idea of using energy from the sun to evaporate and purify water is ancient. The Greek philosopher Aristotle reportedly described such a process more than 2,000 years ago.

Now, University at Buffalo researchers are bringing this technology into the modern age, using it to sanitize water at what they report to be record-breaking rates.

By draping black, carbon-dipped paper in a triangular shape and using it to both absorb and vaporize water, they have developed a method for using sunlight to generate clean water with near-perfect efficiency.

This  technique is able to produce drinking water at a faster pace than is theoretically calculated under natural sunlight.

Usually, when solar energy is used to evaporate water, some of the energy is wasted as heat is lost to the surrounding environment. This makes the process less than 100 percent efficient.  This system has a way of drawing heat in from the surrounding environment, allowing  to achieve near-perfect efficiency.

The low-cost technology could provide drinking water in regions where resources are scarce, or where natural disasters have struck.
Images Credit: Huaxiu Chen / Youhai Liu /  Douglas Levere / University at Buffalo
News Source: http://www.buffalo.edu/news/releases/2018/05/002.html

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