Assessment of Supercritical Water Oxidation Technology Development for Treatment of VX Hydrolysate at the Newport Chemical Agent Disposal Facility Letter Report (2001) / Chapter Skim
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Assessment of Supercritical Water Oxidation Technology Development for Treatment of VX Hydrolysate at the Newport Chemical Agent Disposal Facility
Assessment of Supercritical Water Oxidation Technology Development for Treatment of VX Hydrolysate at the Newport Chemical Agent Disposal Facility
Pages 1-9
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Evaluation Office of the Assistant Secretary of the Army for Acquisition, Logistics and Technology SAAL-ZC 251 ~ Jefferson Davis Highway, Suite ~ 1300 Arlington, VA 22202 Board on Army Science and Technology Committee on Review and Evaluation of the Army Chemical Stockpile Disposal Program January 29, 2001 Re: Assessment of Supercritical Water Oxidation Technology Development for Treatment of VX Hyctrolysate at the Newport Chemical Agent Disposal Facility Dear Dr. Dubin: Since 1994, the National Research Council (NRC)
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removal efficiency (DRE) over the range of operating variables; adequate capacity and availability; instability and corrosion of the reactor liner; erosion of the pressure letdown system; deposition of sodium sulfite, sulfate, phosphate, or carbonate salts, which may cause plugging, fouling, and obstructions under some conditions; and difficulties in fabricating the SCWO reactor.
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In ~ 996, because of the severe requirements involved in the treatment of VX hycirolysate by SCWO and the slow progress in the development of SCWO technology, the Stockpile Committee recommended that an engineering-scale pilot plant test (at least one-tenth of fullscaTe) of the NECDF design be conducted (NRC, ~ 99S)
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The Army shouicl immediately undertake a comparative evaluation of alternatives for treating anchor disposing of the VX hydrolysate produces} at NECDF. The critical path to complete NECDF disposal operations within the treaty requirements of the Chemical Weapons Convention should be iclentii led.
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Recommendation 4. The Army should involve all appropriate stakeholders in its consideration of an appropriate technology for the secondary treatment of VX hydrolysate at Newport Chemical Agent Disposal Facility.
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Committee on Review and Evaluation of the Army Chemical Stockpile Disposal Program, Board on Army Science and Technology. Washington, D.C.: National Academy Press.
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The gurney should pursue the testing of materials of construction for treating VX hydrolysate by supercritical water oxidation (SCWO) more aggressively to finalize materials selection, design, and fabrication methods for critical components, including the SCWO reactor, inlet, and pressure let-clown system.
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From Using Supercritical Water Oxidation to Treat Hydrolysate from VXNeutralization (NRC, 19981: Recommendation 1. A pilot-scale SCWO process facility with the critical characteristics of the full-scale design should be constructect and operated to further define operating characteristics ant!
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laboratory scale scientific proof of principle demonstration for each system component over the full range of agent chemical and physical composition and agent decomposition products expectec! under operational conditions · component process integration into a bench scale simulation for the alternative technology system and successful demonstration with a full range of agent composition to provide basic data for further scale up engineering, construction, and successful test demonstration of an essentially full scale pilot plant.
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