Scientists Develop Material to Enhance Indoor Air Quality by Extracting Moisture from Air

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Researchers at ETH Zurich have created a groundbreaking material that can extract moisture from the air, potentially transforming indoor air quality. The team utilized waste materials from marble quarrying combined with metakaolin and an alkaline solution, which they fabricated into walls and ceilings using a 3D printer. Their experiments, which simulated conditions in a public library reading room, demonstrated a significant reduction in humidity when the space was occupied by multiple people.

According to building physicist Magda Posani, "We were able to demonstrate with numerical simulations that the building components can significantly reduce humidity in heavily used indoor spaces." This innovation could pave the way for cheaper and more environmentally friendly building solutions, replacing energy-intensive mechanical ventilation systems typically used in offices and schools. The researchers aim to contribute to Switzerland’s ambitious net zero emissions goal by 2050, showcasing how advancements in building materials can address environmental challenges while enhancing the comfort of indoor environments.

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