NDLI: Simulation tools for robotic and teleoperated hazardous waste removal

Content Provider	IEEE Xplore Digital Library
Author	Love, L. Kress, R. Bills, K.
Copyright Year	1997
Description	Author affiliation: Oak Ridge Nat. Lab., TN, USA (Love, L.)
Abstract	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 ranks 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.
Starting Page	66
Ending Page	71
File Size	653041
Page Count	6
File Format	PDF
ISBN	0780336127
DOI	10.1109/ROBOT.1997.620017
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-04-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robots Laboratories Hardware Hoses Solids Manipulators Organic materials Payloads Water storage Test facilities
Content Type	Text
Resource Type	Article

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