Development of components for waste management systems using aerospace technology

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An aerospace fluid management technology called ``platelets`` has been applied to components that are critical to the economic operation of waste management systems. Platelet devices are made by diffusion bonding thin metal plates which have been etched with precise flow passage circuitry to control and meter fluid to desired locations. Supercritical water oxidation (SCWO) is a promising waste treatment technology for safe and environmentally acceptable destruction of hazardous wastes. Performance and economics of current SCWO systems are limited by severe salt deposition on and corrosion of the reactor walls. A platelet transpiring-wall reactor has been developed that provides a protective ... continued below

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11 p.

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Rousar, D.; Young, M. & Sieger, A. September 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 22 times . More information about this article can be viewed below.

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Description

An aerospace fluid management technology called ``platelets`` has been applied to components that are critical to the economic operation of waste management systems. Platelet devices are made by diffusion bonding thin metal plates which have been etched with precise flow passage circuitry to control and meter fluid to desired locations. Supercritical water oxidation (SCWO) is a promising waste treatment technology for safe and environmentally acceptable destruction of hazardous wastes. Performance and economics of current SCWO systems are limited by severe salt deposition on and corrosion of the reactor walls. A platelet transpiring-wall reactor has been developed that provides a protective layer of water adjacent to the reactor walls which prevents salt deposition and corrosion. Plasma arc processing is being considered as a method for stabilizing mixed radioactive wastes. Plasma arc torch systems currently require frequent shutdown to replace failed electrodes and this increases operating costs. A platelet electrode design was developed that has more than 10 times the life of conventional electrodes. It has water cooling channels internal to the electrode wall and slots through the wall for injecting gas into the arc.

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11 p.

Notes

OSTI as DE95017866

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  • 46. international astronautical congress, Oslo (Norway), 2-6 Oct 1995

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  • Other: DE95017866
  • Report No.: DOE/MC/30361--95/C0498
  • Report No.: CONF-9510219--1
  • Grant Number: AR21-93MC30361;AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 113768
  • Archival Resource Key: ark:/67531/metadc627422

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  • September 1995

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  • June 16, 2015, 7:43 a.m.

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  • April 13, 2016, 1:34 p.m.

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Rousar, D.; Young, M. & Sieger, A. Development of components for waste management systems using aerospace technology, article, September 1995; United States. (digital.library.unt.edu/ark:/67531/metadc627422/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.