Assessment of Supercritical Water Oxidation System Testing for the Blue Grass Chemical Agent Destruction Pilot Plant (2013) / Chapter Skim
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3 Implementation of Supercritical Water Oxidation at Blue Grass
3 Implementation of Supercritical Water Oxidation at Blue Grass
Pages 24-32
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ptimization -- integrated plant operations, as if ac O at the Blue Grass Chemical Agent Destruction Pilot Plant tual chemical agent were being processed, conducted (BGCAPP) will process the agent and energetics hydroly- before start of agent operations.
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HP gas/ Blend SCWO liquid HP water pump reactor separator Agent tanks Preheater hydrolysate HP fuel pump EnergeƟcs hydrolysate HP quench pump LP gas/ liquid separator Batch holding tank Effluent heat exchanger TOC analyzers Off-spec tank Emergency Liquid effluent to water relief tank recovery system FIGURE 3-1 SCWO block flow diagram showing only the SCWO system. SOURCE: Program Executive Officer, ACWA, Presentation to the Supercritical Water Oxidation Technical Review on April 22, 2013.
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Recommendation 3-2. The full-scale agitation/circulation The system contractor believes that the design of the system at the Blue Grass Chemical Agent Destruction Pilot SCWO units makes performing maintenance while an Plant should be evaluated upon systemization.
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project staff should conduct Recommendation 3-5. The Blue Grass Chemical Agent detailed operational risk and safety analyses before allowing Destruction Pilot Plant project staff should evaluate the personnel to conduct maintenance activities in close proxim- SCWO process building design to ensure that the quality ity to operating SCWO reactors.
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The committee visited the FOAK tem contractor SCWO system operators and engineers, and test site during its first meeting and observed the control by the Blue Grass Chemical Agent Destruction Pilot Plant systems and spoke with the operators. The discussions and staff who shadowed the system contractor operators, will be observations indicated to the committee that training people preserved during the multiyear hiatus between equipment in the basic operation of the SCWO units will not be par delivery and systemization.
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SCWO system process equipment (e.g., reactor and systemization, during systemization, between systemiza and peripherals, compressor, and pumps) will be shipped to tion and operations, and for the integrated SCWO and WRS the Blue Grass Chemical Agent Destruction Pilot Plant and could forestall extended downtimes.
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The Blue Grass Chemical Agent presence of a liquid/gas interface, mixing, and temperature. Destruction Pilot Plant project staff should prepare a manual In addition to the measurements cited above, the white specifically to be used in the interim period preceding SCWO paper calculated the estimated HCN concentrations in the systemization, throughout the SCWO systemization time gas phase above the hydrolysate at 77°F and 140°F for pH period, and during the time following SCWO systemization, ranging from 6 to 10.
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In the context of this study, a computer simulation model Recommendation 3-12. The Blue Grass Chemical Agent would represent the operation of the SCWO unit and the Destruction Pilot Plant project management should quantify entire SCWO/WRS over time.
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Test, April, Preliminary Draft. Richmond, Ky.: Blue would allow analysis of what-if scenarios, so that Grass Chemical Agent Destruction Pilot Plant Program Office.
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