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Title: Demonstration of retrieval methods for Westinghouse Hanford Corporation by EPW Industrial Services Incorporated, trial number 2, April 30, 1996

Abstract

Westinghouse Hanford Company has been pursuing strategies to break up and retrieve the radioactive waste material in single shell storage tanks at the Hanford Nuclear Reservation, by working with non-radioactive ``saltcake`` and sludge material that simulate the actual waste. Previous trials run by MPW for Westinghouse Hanford Company (report dated October 20, 1995) resulted in difficulty breaking up the simulant using three approaches, with pressures to I 0,000 psi and flow rates to 56 gpm. The saltcake sirnulant was extremely hard, with a tensile strength similar to concrete. Westinghouse Hanford proposed a second set of trials utilizing a range of four sirnulants to attempt to bracket the capability of the I 0,000 psi waterblast stream. This set of trials had one simulant similar to the soft sludge previously trialed, two similar to the hard saltcake but with a lower strength, and one with a coarse rock-salt in a saltcake matrix, which is quite low in strength. Under this proposal, MPW would attempt to dislodge the four different simulants us@@ng two methods, for a total of eight pans. Each pan would be 4-foot square x I- 1/2-foot deep. The approaches would be as follows: A. Rotary tooling approaching straight down, withmore » two triangle nozzles, each at a nominal 12.5 gpm at I 0,000 psi, at a 45-degree angle. B. Straight in to the exposed edge of the material with an articulated ``water cannon`` -with a triangle nozzle rated at approximately 25 gpm.« less

Publication Date:
Research Org.:
Westinghouse Hanford Co., Richland, WA (United States)
Sponsoring Org.:
USDOE Office of Environmental Restoration and Waste Management, Washington, DC (United States)
OSTI Identifier:
328659
Report Number(s):
WHC-MR-0527
ON: DE98059305; BR: EW3130000; TRN: 99:003678
DOE Contract Number:
AC06-96RL13200
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Oct 1996
Country of Publication:
United States
Language:
English
Subject:
05 NUCLEAR FUELS; WASTE RETRIEVAL; DEMONSTRATION PROGRAMS; SIMULATION

Citation Formats

NONE. Demonstration of retrieval methods for Westinghouse Hanford Corporation by EPW Industrial Services Incorporated, trial number 2, April 30, 1996. United States: N. p., 1996. Web. doi:10.2172/328659.
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NONE. Demonstration of retrieval methods for Westinghouse Hanford Corporation by EPW Industrial Services Incorporated, trial number 2, April 30, 1996. United States. doi:10.2172/328659.
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NONE. Tue . "Demonstration of retrieval methods for Westinghouse Hanford Corporation by EPW Industrial Services Incorporated, trial number 2, April 30, 1996". United States. doi:10.2172/328659. https://www.osti.gov/servlets/purl/328659.
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@article{osti_328659,
title = {Demonstration of retrieval methods for Westinghouse Hanford Corporation by EPW Industrial Services Incorporated, trial number 2, April 30, 1996},
author = {NONE},
abstractNote = {Westinghouse Hanford Company has been pursuing strategies to break up and retrieve the radioactive waste material in single shell storage tanks at the Hanford Nuclear Reservation, by working with non-radioactive ``saltcake`` and sludge material that simulate the actual waste. Previous trials run by MPW for Westinghouse Hanford Company (report dated October 20, 1995) resulted in difficulty breaking up the simulant using three approaches, with pressures to I 0,000 psi and flow rates to 56 gpm. The saltcake sirnulant was extremely hard, with a tensile strength similar to concrete. Westinghouse Hanford proposed a second set of trials utilizing a range of four sirnulants to attempt to bracket the capability of the I 0,000 psi waterblast stream. This set of trials had one simulant similar to the soft sludge previously trialed, two similar to the hard saltcake but with a lower strength, and one with a coarse rock-salt in a saltcake matrix, which is quite low in strength. Under this proposal, MPW would attempt to dislodge the four different simulants us@@ng two methods, for a total of eight pans. Each pan would be 4-foot square x I- 1/2-foot deep. The approaches would be as follows: A. Rotary tooling approaching straight down, with two triangle nozzles, each at a nominal 12.5 gpm at I 0,000 psi, at a 45-degree angle. B. Straight in to the exposed edge of the material with an articulated ``water cannon`` -with a triangle nozzle rated at approximately 25 gpm.},
doi = {10.2172/328659},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 01 00:00:00 EDT 1996},
month = {Tue Oct 01 00:00:00 EDT 1996}
}
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Technical Report:
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DOI:  10.2172/328659
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  • Westinghouse Hanford Corporation has been pursuing strategies to break up and retrieve the radioactive waste material in single shell storage tanks at the Hanford Nuclear Reservation, by working with non-radioactive ``saltcake`` and sludge material that simulate the actual waste. It has been suggested that the use of higher volumes of water than used in the past (10 gpm nozzles at 10,000 psi) might be successful in breaking down the hard waste simulants. Additionally, the application of these higher volumes of water might successfully be applied through commercially available tooling using methods similar to those used in the deslagging of largemore » utility boilers. NMW Industrial Services, Inc., has proposed a trial consisting of three approaches each to dislodging both the solid (saltcake) simulant and the sludge simulant.« less

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  • ;
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