News tagged with sewage sludge

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

created Nov 22, 2010 | popularity 5 / 5 (4) | comments 4 | with audio podcast report

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 ...

Space & Earth / Environment

created Jan 03, 2011 | popularity 3.5 / 5 (2) | comments 2 | with audio podcast

Device for harvesting energy and water from human waste gets green light

Work on a prototype device for harvesting energy and clean drinking water from human waste gets the go ahead this month.

Technology / Energy & Green Tech

created Mar 15, 2012 | popularity not rated yet | comments 3

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 ...

Biology / Cell & Microbiology

created May 14, 2009 | popularity 4 / 5 (4) | comments 0

EPA sets pollution controls for boilers, incinerators

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 ...

Space & Earth / Environment

created Feb 25, 2011 | popularity not rated yet | comments 0

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

created May 20, 2010 | popularity 4.3 / 5 (6) | comments 2

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 ...

Space & Earth / Environment

created Feb 08, 2010 | popularity 5 / 5 (1) | comments 0

Researchers let loo-se on unique project

University of Manchester researchers are beginning work on a prototype device for harvesting energy and clean drinking water from human waste.

Technology / Energy & Green Tech

created Apr 17, 2012 | popularity not rated yet | comments 1

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

created Aug 13, 2009 | popularity 5 / 5 (2) | comments 0