With rainfall increasingly scarce, irrigating crops can be a major challenge, but farmers in southeastern Spain have long relied on recycled wastewater in a model that is winning attention abroad.
Environment
Jun 21, 2023
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Sand filters are commonly applied in drinking water treatment and can efficiently remove suspended solids, organic matter, and microorganisms from source water. During the process, particulate matter and microbes can attach ...
Environment
Apr 26, 2023
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Sustainable biological filters called slow sand filters have been used to filter drinking water since the 1800s. They don't use any chemicals, create no waste and use very little energy. However, technologies that meet modern ...
Environment
May 14, 2018
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Mineral coatings on sand particles actually encourage microbial activity in the rapid sand filters that are used to treat groundwater for drinking, according to a paper published ahead of print in Applied and Environmental ...
Environment
Oct 10, 2014
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A breakthrough innovation designed to purify water through the rapid removal of oily pollutants, could have major environmental benefits in agriculture and manufacturing industries.
Engineering
May 8, 2013
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When it rains, untreated stormwater can sweep pollutants into coastal waters, potentially endangering public health. Now researchers from North Carolina State University have developed low-cost filtration systems that are ...
Environment
Mar 19, 2013
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Rice University researchers today announced that the first field tests of "nanorust," the university's revolutionary, low-cost technology for removing arsenic from drinking water, will begin later this year in Guanajuato, ...
Bio & Medicine
May 27, 2009
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