Engineered sand zaps storm water pollutants

UC Berkeley engineers have developed a novel method for purifying storm water using manganese oxide-coated sand, which effectively removes organic pollutants and has the potential to create safe drinking water reservoirs for water-stressed communities.

This technology offers a passive, low-cost solution to address the challenges of storm water contamination and groundwater recharge, particularly in Mediterranean climates. While the coated sand does not eliminate all contaminants, it can be integrated with other purification systems and can be recharged for sustained effectiveness. The research highlights the importance of rethinking storm water as a resource rather than a pollutant, paving the way for innovative urban water management strategies.

 

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The engineered sand destroys toxins such as endocrine-disrupting bisphenol A (BPA).

 

Source from: http://news.berkeley.edu/2018/08/30/engineered-sand-zaps-storm-water-pollutants/