Bags of the earthy muck are labeled organic or natural. Sometimes it is billed as exceptional quality compost. Industry held a nationwide contest years ago and decided to call it biosolids, a euphemism that beat out black ...
Environment
Sep 21, 2022
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20
(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.
Treatment plants cannot completely keep microplastics out of wastewater by conventional means. This is one of the results of a pilot study commissioned by the regional water association of Oldenburg and Ostfriesland, Germany ...
Environment
Oct 31, 2014
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Dr. Olivier Lepez, coordinator of PYROCHAR, explains how the project team has developed an energy- and cost-efficient process to thermo-chemically convert municipal sewage sludge into useful biochar and synthetic gas.
Environment
Aug 28, 2015
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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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Slaughterhouse waste is processed into meat and bone meal and subsequently fed to livestock or incinerated. This meal could be put to better use, though. It contains phosphorus, a scarce mineral used as fertilizer. A new ...
Other
Dec 1, 2015
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5
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
3
0
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
1
0
Disposing sludge left over from treating sewage water is a major challenge for wastewater plants in Malaysia. While studies show that the volume of sludge is expected to rise, disposal options are limited due to strict environmental ...
Engineering
Jun 27, 2016
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20
Professors Rajeshwar Dayal Tyagi and Patrick Drogui, researchers at the Institut National de la Recherche Scientifique (INRS), have developed a new approach to biodiesel production that uses microbes, sewage sludge, and a ...
Materials Science
Feb 27, 2020
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