Scientists at Duke University have developed a suite of four new tests that can be used to detect coal ash contamination in soil with unprecedented sensitivity.
Environment
Jul 22, 2021
0
122
Rare-earth elements are in many everyday products, such as smart phones, LED lights and batteries. However, only a few locations have large deposits worth mining, resulting in global supply chain tensions. So, there's a push ...
Materials Science
Jun 23, 2021
1
6
Duke University researchers have found high levels of toxic heavy metals in coal ash from the Dominican Republic's largest coal-fired power plant.
Environment
Mar 18, 2021
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7
Nearly 50 years ago, a power company received permission from North Carolina to build a reservoir by damming a creek near the coastal city of Wilmington. It would provide a source of steam to generate electricity and a place ...
Environment
Sep 27, 2020
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22
The Trump administration accelerated the pace of its environmental rollbacks for the country's coal-fired power plants Monday, proposing to weaken two Obama-era rules aimed at cleaning up dangerous heavy metals and ash from ...
Environment
Nov 4, 2019
2
51
Coal ash is the less notorious byproduct of coal-fired power plants. It's the residual solid waste that comes from burning coal. While it doesn't have the same deleterious reputation of its airborne counterparts, tens of ...
Materials Science
Oct 29, 2019
0
23
Inhaling dust that contains fly ash particles from coal combustion has been linked to lung and heart disease, cancer, nervous system disorders and other ill effects.
Environment
Oct 22, 2019
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90
Allowing coal ash to be spread on soil or stored in unlined pits and landfills will raise the risk that several toxic elements, including carcinogenic hexavalent chromium, could leach out of the coal ash and contaminate nearby ...
Earth Sciences
Oct 1, 2019
0
25
A trio of researchers from the King Abdullah University of Science and Technology, the University of the Witwatersrand and Geosyntec has published a Perspectives piece in the journal Science. Carlos Santamarina, Luis Torres-Cruz ...
Researchers from North Carolina State University have developed a technique that uses bacteria to produce "biocement" in coal ash ponds, making the coal ash easier to store and limiting the risk of coal ash spills into surface ...
Environment
Mar 4, 2019
0
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