Search results for uranium mill tailings

Energy & Green Tech Jan 30, 2019

Storage of nuclear waste a 'global crisis': report

Nuclear waste is piling up around the world even as countries struggle to dispose of spent fuel that will remain highly toxic for many thousands of years, Greenpeace detailed in a report Wednesday.

Materials Science Feb 3, 2017

New details about uranium chemistry show how it binds to organic matter

Decades after a uranium mine is shuttered, the radioactive element can still persist in groundwater at the site, despite cleanup efforts.

Environment Oct 21, 2015

An 'apatite' for radionuclides

Sandia National Laboratories geochemist Mark Rigali and his colleagues are developing and deploying apatite-based technologies to protect groundwater at sites contaminated by radionuclides and heavy metals.

Environment Jan 11, 2012

Scientists study how nature cleans uranium from Colorado aquifer

Rifle, Colorado, is a small town on the Colorado River, in the heart of the Rocky Mountains, that's big on natural resources. It attracts hunters, fishermen, hikers, rock climbers. Its striking scenery attracted husband-and-wife ...

Environment Dec 19, 2011

Report identifies health, environmental issues and best practices

A number of health and environmental issues and related risks need to be addressed when considering whether to lift the almost 30-year moratorium on uranium mining in Virginia, says a new report from the National Research ...

Cell & Microbiology Jun 8, 2011

Metabolic models make remediation more manageable

(PhysOrg.com) -- In efforts to reduce contamination at a former uranium mill tailings site, Dr. Krishna Mahadevan is developing genome-scale models to determine why certain bacteria reduce uranium better than others. The ...

Cell & Microbiology Apr 26, 2011

Wetter is better: New microscopy methods improve accuracy of microbial biofilm imaging

(PhysOrg.com) -- At a former uranium mill-tailing site in Rifle, Colorado, scientists are studying how microbes interact with minerals and metals to better understand processes that can help remediate the site. Electron microscopy, ...

Environment Nov 18, 2009

Unique Uranium Source in Naturally Bioreduced Sediment

(PhysOrg.com) -- A recently published Pacific Northwest National Laboratory study of a naturally bioreduced sediment sample from a former uranium mill tailings site reveals insights that enhance understanding of the long-term ...