A non-partisan, neutral perspective supporting diversity in the color of water

Thursday, March 30, 2017


No, not the obvious combination, but rather the project Solar Optics-based Active Pasteurization (SOAP) for Greywater Reuse and Integrated Thermal (GRIT) Building Control. The RWC blogged about this project about 6.5 years ago when it was first awarded by the National Science Foundation to UC Berkeley. It was innovative then, but the results look much better than originally advertised.

With support from the National Science Foundation (NSF), the multidisciplinary team is engineering solar panel technology that makes greywater reusable while creating thermal energy in the process. What is now wastewater would be used at least twice, cutting demand, and the free solar energy can be captured as well. The greywater isn't clean enough to drink, but it's fine for flushing toilets or washing clothes.

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