A new generation of the HTL process can convert all kinds of biomasses to crude bio-oil, which is sufficiently similar to fossil crude oil that a simple thermal upgrade and existing refinery technology can be employed to ...
Energy & Green Tech
Feb 6, 2013
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A new biodrying process from Siemens quickly converts sewage sludge into a usable form while saving energy. When dried with the new process, sludge from wastewater treatment can be used as fertilizer, dumped in landfills ...
Energy & Green Tech
Aug 13, 2012
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Sewage sludge, wastewater and liquid manure are valuable sources of fertilizer for food production. Fraunhofer researchers have now developed a chemical-free, eco-friendly process that enables the recovered salts to be converted ...
Engineering
Aug 3, 2012
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University of Manchester researchers are beginning work on a prototype device for harvesting energy and clean drinking water from human waste.
Energy & Green Tech
Apr 17, 2012
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Work on a prototype device for harvesting energy and clean drinking water from human waste gets the go ahead this month.
Energy & Green Tech
Mar 15, 2012
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The Environmental Protection Agency on Wednesday said new pollution controls for boilers and incinerators will save thousands of lives every year but at half the cost of an earlier proposal that industry and lawmakers had ...
Environment
Feb 25, 2011
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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 ...
Environment
Jan 3, 2011
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(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.
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 in ACS' Energy ...
Energy & Green Tech
May 20, 2010
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(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 ...
Environment
Feb 8, 2010
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