Simulation tools for robotic and teleoperated hazardous waste removal

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The primary mission of Oak Ridge National laboratory (ORNL) during World War II was the processing of pure plutonium metal in support of the Manhattan Project. Between 1943 and 1951, the Gunite and Associated Tanks (GAAT) at ORNL were built to collect, neutralize, and store the radioactive by-products. Currently, twelve gunite tanks and four stainless steel tanks are located on the ORNL complex. These tanks hold approximately 75,000 gal of radioactive sludge and solids and over 350,000 gal of liquid. Characterization studies of these tanks in 1994 indicated that the structural integrity of some of the tanks is questionable. Subsequently, ... continued below

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9 p.

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Love, L.J.; Kress, R.L. & Bills, K.C. February 1, 1997.

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  • Love, L.J. Oak Ridge Inst. for Science and Education, TN (United States)
  • Kress, R.L.
  • Bills, K.C. Oak Ridge National Lab., TN (United States). Robotics and Process Systems Div.

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Description

The primary mission of Oak Ridge National laboratory (ORNL) during World War II was the processing of pure plutonium metal in support of the Manhattan Project. Between 1943 and 1951, the Gunite and Associated Tanks (GAAT) at ORNL were built to collect, neutralize, and store the radioactive by-products. Currently, twelve gunite tanks and four stainless steel tanks are located on the ORNL complex. These tanks hold approximately 75,000 gal of radioactive sludge and solids and over 350,000 gal of liquid. Characterization studies of these tanks in 1994 indicated that the structural integrity of some of the tanks is questionable. Subsequently, there is presently an aggressive program directed towards the remediation and relocation of waste stored in the ORNL tanks. A number of factors complicate the remediation process. The material stored in these tanks ranges from liquid to sludge and solid and is composed of organic materials, heavy metals, and radionuclides. The tanks, which range from 12 to 50 ft in diameter are located below ground and in the middle of the ORNL complex. The only access to these tanks is through one of three access ports that are either 12 or 24 in. in diameter. These characteristics provide a daunting challenge: How can material be safely removed from such a confined structure. This paper describes the existing strategy and hardware presently used in the remediation process. This is followed by a description of an integrated hardware system model. This investigation has isolated a few key areas where further work is needed.

Physical Description

9 p.

Notes

INIS; OSTI as DE98003179

Source

  • 1997 international conference on robotics and automation, Albuquerque, NM (United States), 20-25 Apr 1997

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  • Other: DE98003179
  • Report No.: ORNL/CP--95937
  • Report No.: CONF-970469--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 634006
  • Archival Resource Key: ark:/67531/metadc698361

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  • February 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Aug. 4, 2016, 7:23 p.m.

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Love, L.J.; Kress, R.L. & Bills, K.C. Simulation tools for robotic and teleoperated hazardous waste removal, article, February 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc698361/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.