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UCL has been awarded Gold EcoCampus certification following an audit of its Environmental Sustainability Management System. Currently used in nearly half of Russell Group universities, EcoCampus is a leading tool to assess environmental management in Higher Education. More...
Published: Nov 28, 2013 3:46:00 PM
UCLoo Festival is an exciting series of hands-on activities and events based on research relating to the challenge of redesigning the toilet for the 21st century. The festival’s convenors are Sarah Bell (UCL Urban Laboratory Co-Director), Barbara Penner (Bartlett School of Architecture) and Tse-Hui Teh (Bartlett School of Planning). It opens on UN World Toilet Day on the 19th November and runs until the 3rd December. More...
Published: Nov 19, 2013 12:48:00 PM
Ilan Adler*, Karen Hudson-Edwards** and Luiza Campos* (*Civil, Environmental and Geomatic Engineering, UCL** Dept. of Earth and Planetary Sciences, Birkbeck, University of London): Drinking the rain: Quality issues and technological advances
With growing pressures on natural resources worldwide, rainwater harvesting (MN( is fast becoming a viable drinking water supply for an expanding population. Notwithstanding, microbiological and chemical contamination from roof-top runoff has been detected above water quality guidelines, posing a health risk for consumers. Our research explores the use of silver ions, combined with filtration and settling mechanisms, as a safe and affordable model for purification that can be applied at a small scale. Pilot systems have been installed and monitored for this study in rural communities of San Miguel de Allende, in central Mexico, where groundwater is either lacking or contaminated. Our experiments so far show that the system with all its components, including settling tank, filters and silver ionizer, has the potential to provide quality drinking water from harvested rain, employing safe concentrations of silver ions.