Biological reduction and removal of Np(V) by two microorganisms

Article Abstract:

Researchers from the University of Birmingham, UK, presented a method for the removal of alpha-emitting actinicides neptunium (V) generated by the nuclear fuel cycle. Np(V) can be removed by using Citrobacter sp. and Shewanella putrefaciens microorganisms together.

United Kingdom, University of Birmingham

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Colloid transport and deposition in water-saturated Yucca Mountain tuff as determined by ionic strength

Article Abstract:

Simulated groundwater and latex microspheres (colloids) are run through laboratory samples containing either quartz sand or crushed Yucca Mountain tuff with different levels of ionic strength. Colloid transportation is graphed in relation to ionic strength.

Heavy construction, not elsewhere classified, Manufacturing and Industrial Building Construction, Nevada, Nuclear Waste Disposal Constr, Statistical Data Included, Construction industry, Environmental aspects, Soil pollution, Radioactive waste disposal, Waste facilities construction, Yucca Mountain (Nevada)

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Lanthanide field tracers demonstrate enhanced transport of transuranic radionuclides by natural organic matter

Article Abstract:

Researchers from Tennessee performed an experiment using a lanthanide field tracer to determine mechanisms and rates of transport of transuranic radionuclides buried 25 years ago in disposable trenches in groundwater at the Oak Ridge National Laboratory, TN.

Oak Ridge National Laboratory

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