Nuclear waste has been generated from commercial nuclear reactors and from past nuclear
weapons production activities. The safe disposal of this waste generally is planned to …

The immobilization of long-lived radionuclide wastes generated from nuclear power plants
(NPPs) during NPP operation, fuel reprocessing, and decommissioning of nuclear reactors …

Carbonation can be a major aging process during disposal of alkaline cementitious waste
forms and can impact constituent leaching by changes in material alkalinity, pore structure …

Powders of a Sn2S3 chalcogen-based aerogel (chalcogel) were combined with powdered
polyacrylonitrile (PAN) in different mass ratios (SnS33, SnS50, and SnS70;#= mass% of …

Cast Stone has been developed to immobilize a fraction of radioactive waste at the Hanford
Site; however, constituents of potential concern (COPCs) can be released when in contact …

Blast furnace slag (SL) is an amorphous calcium aluminosilicate material that exhibits both
pozzolanic and latent hydraulic activities. It has been successfully used to reduce the heat of …

Cast Stone is a cementitious waste form being considered for the solidification of low activity
waste at the DOE Hanford Site. Under near-surface disposal conditions in an arid …

Abstract Au–Cu tailings (ACTs) are gold mining industry by-products that require further
treatment before disposal to alleviate polluting the environment such as landfill, plant cover …

Due to the uniquely high disposal cost for disposal of Intermediate/Low level radioactive
waste in Republic of Korea, reduction of concrete waste by separating activated …

Abstract Evaluation of the long-term retention mechanisms and potential release rates for
the primary constituents of potential concern (COPCs)(ie, Tc, I, Se, and nitrate) is necessary …