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Project GWR attracted significant interest at ExpoAgua Santiago 2024.

The project showcased technologies developed for treating domestic graywater and using it to irrigate plants for green walls and roofs, among other applications.

Researchers from the GWR (Greywater Treatment and Reuse) Project gave a positive assessment of their participation in ExpoAgua Santiago 2024. This event brought together business, political, and academic leaders to generate innovative and effective solutions to advance water security in Chile and Latin America.

Dr. Esteban Quijada, the GWR Project director, said, "We were surprised by the interest from both the public and private sectors in using greywater for irrigating parks and gardens. There is a growing awareness that improving its use helps mitigate the water crisis caused by global climate change.”

The project brings together scientists from the University of Santiago de Chile (Usach), the University of Bío-Bío, and Andrés Bello University. They presented an electrochemical reactor and a sand filter. These technologies, when combined with others such as membranes, form a solution integrated into a low-cost, easy-to-use device. It is designed to be installed in homes by their inhabitants without the need for specialized labor.

A model of the Sustainable Social Housing (Casa Tecno) was also exhibited on this occasion. This 60-square-meter pilot house is where the graywater treatment technologies developed by the project are tested. The laboratory house is located in Corfo's Ctec Park in the Laguna Carén sector of the Pudahuel commune. Designed for a family of four, the house is powered by photovoltaic panels and is energy efficient thanks to its thermopane windows and innovative insulation technologies.

The Tecno house has green walls and roofs that are watered with gray water treated using technologies developed by the GWR Project. This improves the building's thermal and acoustic insulation.

 

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