The influence of penetrating gamma radiation on the reaction of simulated nuclear waste glass in tuff groundwater

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Static leaching experiments have been performed to determine the influence of penetrating gamma radiation on the reaction of simulated nuclear waste glass in tuff groundwater at 90{degree}C. Both the leachates and the reacted glass monoliths were analyzed to characterize the reaction. Radiation was seen to acidify the leachates, but the high bicarbonate content of the groundwater prevented the pHs from dropping below 6.4. The glass reaction tended to raise the pH. Glass based on SRL 165 black frit and PNL 76-68 glass compositions were leached. The SRL 165 type glasses were quite durable and unaffected by radiation [NL(B) {approximately}4 g/m{sup ... continued below

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19 p.

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Ebert, W. L.; Bates, J. K.; Abrajano, T. A., Jr. & Gerding, T. J. July 1989.

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Description

Static leaching experiments have been performed to determine the influence of penetrating gamma radiation on the reaction of simulated nuclear waste glass in tuff groundwater at 90{degree}C. Both the leachates and the reacted glass monoliths were analyzed to characterize the reaction. Radiation was seen to acidify the leachates, but the high bicarbonate content of the groundwater prevented the pHs from dropping below 6.4. The glass reaction tended to raise the pH. Glass based on SRL 165 black frit and PNL 76-68 glass compositions were leached. The SRL 165 type glasses were quite durable and unaffected by radiation [NL(B) {approximately}4 g/m{sup 2} after 278 days at all exposure rates]. The PNL 76-68 glasses were much less durable, with the durability decreasing as the exposure rate was increased [NL(B) was about 20 g/m{sup 2} after 278 days at 1 {times} 10{sup 3} R/h for both ATM-1c and ATM-8 glasses]. 8 refs., 5 figs.

Physical Description

19 p.

Notes

NTIS, PC A03/MF A01 - OSTI; OSTI as DE89014671

Source

  • 91. annual meeting of the American Ceramic Society, Indianapolis, IN (United States), 23-27 Apr 1989

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  • Other: DE89014671
  • Report No.: CONF-890421--10
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 137481
  • Archival Resource Key: ark:/67531/metadc619651

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 1989

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  • June 16, 2015, 7:43 a.m.

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  • Dec. 15, 2015, 6 p.m.

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Ebert, W. L.; Bates, J. K.; Abrajano, T. A., Jr. & Gerding, T. J. The influence of penetrating gamma radiation on the reaction of simulated nuclear waste glass in tuff groundwater, article, July 1989; Illinois. (digital.library.unt.edu/ark:/67531/metadc619651/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.