Decontamination of uranium-contaminated concrete

This study examined the decontamination method by washing with nitric acid for uranium contaminated concrete pieces produced from the decommissioning of a uranium …

Evaluating top soil trace element pollution in the vicinity of a …

Retention of uranium in cement systems: effects of cement …

The present study focuses on a methodology, based on available literature information, for quantifying the retention behavior of uranium (VI) in cement materials of …

Metal And Concrete Inputs For Several Nuclear Power …

This paper compares steel and concrete inputs for several nuclear power plants: a 1970's Generation II PWR and BWR, the Generation III EPR and ABWR, the Generation III+ …

Concretes for Nuclear and Uranium Waste Containment

Uranium processing involves chemical concentration processes, usually with sulfuric acid, which produce highly contaminated mixed-wastes (chemical wastes, heavy metals and radioactive …

Evaluating top soil trace element pollution in the vicinity …

possible metal pollution sources were a cement plant and an industrial waste incinerator, a former open-cast uranium mine, petrochemical, and mechanical and metallurgical

At the nanoscale, concrete proves effective for …

A new study by researchers from the MIT Concrete Sustainability Hub and the joint MIT-French National Center for Scientific Research (CNRS) lab known as Multi-Scale Materials Science for Energy and Environment (MSE2) …

[PDF] Retention of uranium in cement systems: effects of …

To account for the many variables defining uranium uptake in cement systems a stepwise approach is proposed and illustrated: 1) definition of conditions and U speciation in each relevant degradation state, 2) assessment of U(VI) uptake processes based on a critical …

CEMENTS IN RADIOACTIVE WASTE DISPOSAL

The use of cement and concrete to immobilise radioactive waste is complicated by the wide- ranging nature of inorganic cementing agents available as well as the range of service …