Analysis of Engineering Design Studies for Demilitarization of Assembled Chemical Weapons at Blue Grass Army Depot (2002) / Chapter Skim
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Executive Summary
Executive Summary
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developed by AEA Technologies, Eco Logic, and General Atomics for a chemical demilitarization facility to completely dispose of the assembled chemical weapons stored at the Blue Grass Army Depot in Richmond, Kentucky. The results of the committee's scientific and technical assessment of the technology packages are presented in this report.
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. Accordingly, the AEA and the Eco Logic technology packages, along with OATS, have become candidates for the destruction of the chemical weapons at the Blue Grass Army Depot in Richmond, Kentucky.2 The purpose of the EDS phase is threefold: (1)
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DESCRIPTION OF THE TECHNOLOGY PACKAGES The assembled chemical weapons stored at Blue Grass Army Depot contain either mustard or nerve agents; most of them are associated with energetic materials (Table ESPY. The technology packages consist of multiple unit operations that work in sequence or concurrently to carry out all aspects of the chemical weapons destruction.
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4 (3 -: 1~` ~ { 1111 ,3~ - ~ B i ~ OF a: I Miscellaneous Metal I Casings ID In 4)
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Assessment of burster washout methods for projectile and rocket bursters. Assessment of safe energetic concentrations for slurries containing energetic materials from the Blue Grass stockpile.
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General Atomics Technology Process The chemical agent, energetic materials, and metal parts are separated using a modified version of the Army's baseline system disassembly process. Rockets are punched, drained of agent, and disassembled.
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Also, following its statement of task, the committee limited its evaluations to separate assessments of the total solutions proposed by AEA, Eco Logic, and General Atomics for destroying the assembled chemical weapons at Blue Grass Army Depot. That is, the committee has neither compared the proposed alternatives with one another nor compared them with the Army's baseline incineration system.
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4. Based on the results of EDS testing and the engineering design package, the committee believes that the AEA SILVER II™ total solution technology package could eventually destroy the assembled chemical weapons stored at the Blue Grass Army Depot.
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The technology provider infers the success of these new steps based on previous demonstrations in other applications but has not generated the data to show that the modifications will result in a safe, effective, and reliable integrated system for assembled chemical weapons destruction. The AEA SILVER II™ technology process does accomplish the following: It destroys chemical agent to a 99.9999 percent DRE and energetic materials to a 99.999 DRE by mediated electrochemical oxidation, provided that the following safeguards are observed: hydrocyclones are used on all slurry feed streams, high-shear vortex mixers are used, piping design minimizes dead legs, and all system equipment and piping use trace heating to prevent precipitation of energetic intermediates, and a second set of electrochemical cells is used to polish the anolyte to the required destruction level.
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6. Based on the results of the EDS testing and the EDP, the committee believes that the General Atomics technology package is an effective and safe method for the destruction of asq sembled chemical weapons at the Blue Grass Army Depot.
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7. As the ACW I Committee observed, the unit operations in any of the three technology packages have never been operated as total integrated processes (NRC, 1999~.
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