Sodium carbonate salt transport system

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A sodium carbonate salt transport system is required to support the Molten Salt Oxidation system being constructed at Lawrence Livermore National Laboratory. We are embarking on a project to create a national test bed for evaluating mixed waste destruction technologies. This project is called the Mixed Waste Management Facility. It is currently in the second phase of design and will be operational in 1998. One of the first technologies demonstrated in this facility is Molten Salt Oxidation. Molten Salt Oxidation is a thermal process that destroys the organic constituents of mixed and hazardous wastes. Sodium carbonate salt is heated in ... continued below

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7 p.

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Brummond, W. September 12, 1995.

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Description

A sodium carbonate salt transport system is required to support the Molten Salt Oxidation system being constructed at Lawrence Livermore National Laboratory. We are embarking on a project to create a national test bed for evaluating mixed waste destruction technologies. This project is called the Mixed Waste Management Facility. It is currently in the second phase of design and will be operational in 1998. One of the first technologies demonstrated in this facility is Molten Salt Oxidation. Molten Salt Oxidation is a thermal process that destroys the organic constituents of mixed and hazardous wastes. Sodium carbonate salt is heated in a reactor vessel to approximately 950{degrees}C. Organic wastes, along with oxidant air, are injected under the pool of molten salt. A catalytic reaction occurs converting the organics into CO{sub 2} and water. Inorganic constituents in the salt such as metals, silica, alumina, and radionuclides remain captured in the salt. Chlorides in the waste feed are converted in the salt to sodium chloride. As these impurities build up in the salt, the salt must be recycled to remove them or else the reaction rate is reduced. Spent salt is periodically taken from the reactor and transported to a salt recycle system. In this system the molten salt is freeze-dried, dissolved in water, and filtered to remove the insoluble inorganics. The unconverted sodium carbonate is removed by fractional crystallization. This sodium carbonate is then dried and stored for future use in the reactors, eliminating a secondary waste stream. The remaining brine is disposed of as waste.

Physical Description

7 p.

Notes

OSTI as DE96001314

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  • California Polytechnic State University senior engineering class, ME428 industrial participation problem, San Luis Obispo, CA (United States), 21 Sep 1995

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  • Other: DE96001314
  • Report No.: UCRL-JC--121685
  • Report No.: CONF-9509233--1
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 114595
  • Archival Resource Key: ark:/67531/metadc623967

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • September 12, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 17, 2016, 4:23 p.m.

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Brummond, W. Sodium carbonate salt transport system, article, September 12, 1995; California. (digital.library.unt.edu/ark:/67531/metadc623967/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.