News tagged with sewage sludge
Biodiesel from sewage sludge within pennies a gallon of being competitive
Existing technology can produce biodiesel fuel from municipal sewage sludge that is within a few cents a gallon of being competitive with conventional diesel refined from petroleum, according to an article ...
Technology / Energy & Green Tech
May 20, 2010 |
4.3 / 5 (6) |
2
Report suggests more rigorous assessment of nanosilver use
(PhysOrg.com) -- A new report published in the journal Science suggests the risks to the environment of nanosilver used in consumer goods should be examined more stringently.
Nanotechnology / Bio & Medicine
Nov 22, 2010 |
5 / 5 (4) |
4
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Cholesterol-busting bug with a taste for waste
A novel species of bacteria with cholesterol-busting properties has been discovered by scientists at the Universidad Complutense de Madrid, Spain. Dr Oliver Drzyzga and colleagues isolated the new bug, called Gordonia ch ...
May 14, 2009 |
4 / 5 (4) |
0
Energy efficient sewage plants
High-rate digestion with microfiltration is state-of-the-art in large sewage plants. It effectively removes accumulated sludge and produces biogas to generate energy. A study now reveals that even small plants can benefit ...
Technology / Energy & Green Tech
Aug 13, 2009 |
5 / 5 (2) |
0
Wastewater treatment lowers pathogen levels
A recent study by a team of researchers at the University of Arizona has tracked the incident of pathogens in biosolids over a 19 year period in one major U.S. city. In the same study, the researchers also analyzed pathogen ...
Jan 03, 2011 |
3.5 / 5 (2) |
2
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Groundwater Cleanup at Superfund Site
(PhysOrg.com) -- A chain of chemical reactions between organic waste and naturally occurring chromium appears to explain the long-standing elevated levels of the chemical chromium-6, a human carcinogen, in groundwater at ...
Feb 08, 2010 |
5 / 5 (1) |
0
