Bielefeld students' synthetic biofilter wins through to the top 'Sweet 16' in Boston
New tech removes air pollutants, may reduce energy use in animal ag facilities
Researchers from North Carolina State University and West Virginia University have developed a new technology that can reduce air pollutant emissions from some chicken and swine barns, and also reduce their energy use by ...
Jan 04, 2012
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Biofilters reduce carbon footprint of old landfill sites
Researchers in the US are testing biofilter systems as a viable alternative to releasing methane from passive landfill vents into the atmosphere. The technology could reduce the overall impact of old landfills on global warming. ...
Jul 11, 2011
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Charcoal biofilter cleans up fertilizer waste gases
Removing the toxic and odorous emissions of ammonia from the industrial production of fertilizer is a costly and energy-intensive process. Now, researchers in Bangladesh have turned to microbes and inexpensive wood charcoal ...
Oct 14, 2010
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Love that dirty water: Scientists find low-tech way to recycle H2O
Horticulturists at Pennsylvania State University have come up with a low-cost, green method for recycling so-called "gray" water -- the stuff from sinks, showers and washing machines that would otherwise go down the drain.
May 24, 2010
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