Leach tests on grouts made with actual and trace metal-spiked synthetic phosphate/sulfate waste
Description
Pacific Northwest Laboratory conducted experiments to produce empirical leach rate data for phosphate-sulfate waste (PSW) grout. Effective diffusivities were measured for various radionuclides ({sup 90}Sr, {sup 99}Tc, {sup 14}C, {sup 129}I, {sup 137}Cs, {sup 60}Co, {sup 54}Mn, and U), stable major components (NO{sub 3}{sup {minus}}, SO{sub 4}{sup 2{minus}}, H{sub 3}BO{sub 3}, K and Na) and the trace constituents Ag, As, Cd, Hg, Pb, and Se. Two types of leach tests were used on samples of actual PSW grout and synthetic PSW grout: the American Nuclear Society (ANS) 16.1 intermittent replacement leach test and a static leach test. Grout produced from … continued below
Creation Information
Serne, R. J.; Martin, W. J.; LeGore, V. L.; Lindenmeier, C. W.; McLaurine, S. B.; Martin, P. F. C. et al. October 1, 1989.
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Pacific Northwest Laboratory
Place of Publication: Richland, Washington
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Description
Pacific Northwest Laboratory conducted experiments to produce empirical leach rate data for phosphate-sulfate waste (PSW) grout. Effective diffusivities were measured for various radionuclides ({sup 90}Sr, {sup 99}Tc, {sup 14}C, {sup 129}I, {sup 137}Cs, {sup 60}Co, {sup 54}Mn, and U), stable major components (NO{sub 3}{sup {minus}}, SO{sub 4}{sup 2{minus}}, H{sub 3}BO{sub 3}, K and Na) and the trace constituents Ag, As, Cd, Hg, Pb, and Se. Two types of leach tests were used on samples of actual PSW grout and synthetic PSW grout: the American Nuclear Society (ANS) 16.1 intermittent replacement leach test and a static leach test. Grout produced from both synthetic and real PSW showed low leach rates for the trace metal constituents and most of the waste radionuclides. Many of the spiked trace metals and radionuclides were not detected in any leachates. None of the effluents contained measurable quantities of {sup 137}Cs, {sup 60}Co, {sup 54}Mn, {sup 109}Cd, {sup 51}Cr, {sup 210}Pb, {sup 203}Hg, or As. For those trace species with detectable leach rates, {sup 125}I appeared to have the greatest leach rate, followed by {sup 99}Tc, {sup 75}Se, and finally U, {sup 14}C, and {sup 110m}Ag. Leach rates for nitrate are between those for I and Tc, but there is much scatter in the nitrate data because of the very low nitrate inventory. 32 refs., 6 figs., 15 tabs.
Notes
NTIS, PC A09/MF A01; OSTI; INIS; GPO Dep.
Subjects
Keywords
- Alara
- Alkali Metal Isotopes
- Alkaline Earth Isotopes
- Alpha Decay Radioisotopes
- Beta Decay Radioisotopes
- Beta-Minus Decay Radioisotopes
- Cadmium 109
- Cadmium Isotopes
- Carbon 14
- Carbon Isotopes
- Cesium 137
- Cesium Isotopes
- Chromium 51
- Chromium Isotopes
- Cobalt 60
- Cobalt Isotopes
- Contamination
- Data
- Days Living Radioisotopes
- Demonstration Programs
- Dissolution
- Electron Capture Radioisotopes
- Elements
- Environmental Transport
- Even-Even Nuclei
- Even-Odd Nuclei
- Experimental Data
- Ground Water
- Grouting
- Hazards
- Health Hazards
- Heavy Nuclei
- Hours Living Radioisotopes
- Hydrogen Compounds
- Information
- Intermediate Mass Nuclei
- Internal Conversion Radioisotopes
- Iodine 129
- Iodine Isotopes
- Isomeric Transition Isotopes
- Isotopes
- Leaching
- Lead 210
- Lead Isotopes
- Light Nuclei
- Liquid Wastes
- Low-Level Radioactive Wastes
- Management
- Manganese 54
- Manganese Isotopes
- Mass Transfer
- Materials
- Mathematical Models
- Measuring Methods
- Mercury 203
- Mercury Isotopes
- Metals
- Minutes Living Radioisotopes
- Nuclei
- Numerical Data
- Odd-Even Nuclei
- Odd-Odd Nuclei
- Oxygen Compounds
- Performance Testing
- Phosphates
- Phosphorus Compounds
- Radioactive Materials
- Radioactive Waste Disposal
- Radioactive Wastes
- Radioisotopes
- Radionuclide Migration
- Research Programs
- Risk Assessment
- Sampling
- Seconds Living Radioisotopes
- Selenium 75
- Selenium Isotopes
- Separation Processes
- Silver 110
- Silver Isotopes
- Soils
- Strontium 90
- Strontium Isotopes
- Sulfates
- Sulfur Compounds
- Technetium 99
- Technetium Isotopes
- Testing
- Waste Disposal
- Waste Forms
- Waste Management
- Wastes
- Water
- Years Living Radioisot
- Years Living Radioisotopes 052002* -- Nuclear Fuels-- Waste Disposal & Storage
STI Subject Categories
- 12 Management Of Radioactive And Non-Radioactive Wastes From Nuclear Facilities
- 54 Environmental Sciences
- 540230 -- Environment, Terrestrial-- Radioactive Materials Monitoring & Transport-- (1990-)
- 540330 -- Environment, Aquatic-- Radioactive Materials Monitoring & Transport-- (1990-)
- 99 General And Miscellaneous//Mathematics, Computing, And Information Science
- 990200 -- Mathematics & Computers
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- Other: DE90002630
- Report No.: PNL-7121
- Grant Number: AC06-76RL01830
- Digital Object Identifier: https://doi.org/10.2172/5391748
- Office of Scientific & Technical Information Report Number: 5391748
- Archival Resource Key: ark:/67531/metadc1070380
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- October 1, 1989
Added to The UNT Digital Library
- Feb. 4, 2018, 10:51 a.m.
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- March 16, 2021, 4:56 p.m.
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Serne, R. J.; Martin, W. J.; LeGore, V. L.; Lindenmeier, C. W.; McLaurine, S. B.; Martin, P. F. C. et al. Leach tests on grouts made with actual and trace metal-spiked synthetic phosphate/sulfate waste, report, October 1, 1989; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1070380/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.