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Accelerated leach test development program

Technical Report ·
DOI:https://doi.org/10.2172/6218696· OSTI ID:6218696
; ; ; ;
In FY 1989, a draft accelerated leach test for solidified waste was written. Combined test conditions that accelerate leaching were validated through experimental and modeling efforts. A computer program was developed that calculates test results and models leaching mechanisms. This program allows the user to determine if diffusion controls leaching and, if this is the case, to make projections of releases. Leaching mechanisms other than diffusion (diffusion plus source term partitioning and solubility limited leaching) are included in the program is indicators of other processes that may control leaching. Leach test data are presented and modeling results are discussed for laboratory scale waste forms composed of portland cement containing sodium sulfate salt, portland cement containing incinerator ash, and vinyl ester-styrene containing sodium sulfate. 16 refs., 38 figs., 5 tabs.
Research Organization:
Brookhaven National Lab., Upton, NY (USA)
Sponsoring Organization:
DOE/NE
DOE Contract Number:
AC02-76CH00016
OSTI ID:
6218696
Report Number(s):
BNL-52270; ON: DE91006826
Country of Publication:
United States
Language:
English

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Related Subjects

052002* -- Nuclear Fuels-- Waste Disposal & Storage
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ADSORPTION
ALKALI METAL COMPOUNDS
ALKALI METAL ISOTOPES
ALKALI METALS
ALKALINE EARTH ISOTOPES
ALKALINE EARTH METALS
ALKYLATED AROMATICS
AROMATICS
ASHES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BUILDING MATERIALS
CALCIUM
CEMENTS
CESIUM 137
CESIUM ISOTOPES
CHEMICAL COMPOSITION
DAYS LIVING RADIOISOTOPES
DIFFUSION
DISSOLUTION
DOCUMENT TYPES
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTS
EVEN-ODD NUCLEI
HOURS LIVING RADIOISOTOPES
HYDROCARBONS
INTERMEDIATE MASS NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LEACHING
LOW-LEVEL RADIOACTIVE WASTES
MATERIALS
MATHEMATICAL MODELS
METALS
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PORTLAND CEMENT
POTASSIUM
PROGRESS REPORT
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOISOTOPES
RESIDUES
SEPARATION PROCESSES
SODIUM
SODIUM COMPOUNDS
SODIUM SULFATES
SOLIDIFICATION
SORPTION
STRONTIUM 85
STRONTIUM ISOTOPES
STYRENE
SULFATES
SULFUR COMPOUNDS
TEMPERATURE DEPENDENCE
WASTE FORMS
WASTES
YEARS LIVING RADIOISOTOPES