Development of the thermal denitration in-storage-can step in the CEUSP process

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A thermal denitration in-the-storage-can process has been developed for use in the Consolidated Edison Uranium Solidification Program Facility. This process is being used to convert approx.1000 kg of highly fissile and radioactive uranium to a solid form for safe long-term storage. The material being solidified also contains approx.300 kg of cadmium and approx.40 kg of gadolinium which had been combined with the uranium to provide criticality safety. The unique thermal denitration process was found to be extremely susceptible to entrainment of solids by splattering, foaming, or expulsion actions. The process connection nozzle, through which the feed solution and purging air ... continued below

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Pages: 13

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Vedder, R.J.; Collins, E.D. & Haas, P.A. January 1, 1986.

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Description

A thermal denitration in-the-storage-can process has been developed for use in the Consolidated Edison Uranium Solidification Program Facility. This process is being used to convert approx.1000 kg of highly fissile and radioactive uranium to a solid form for safe long-term storage. The material being solidified also contains approx.300 kg of cadmium and approx.40 kg of gadolinium which had been combined with the uranium to provide criticality safety. The unique thermal denitration process was found to be extremely susceptible to entrainment of solids by splattering, foaming, or expulsion actions. The process connection nozzle, through which the feed solution and purging air are supplied and the emerging off-gases are discharged, and the off-gas handling system were modified extensively to permit operation without development of nozzle or line pluggage due to accumulation of solid deposits. A process study was made to determine the effects of feed components and process variables on the tendency of the reacting mixture to splatter, foam, or be expelled. Because of the equipment modifications and the selection of appropriate processing conditions, the feed material is being denitrated without significant problems.

Physical Description

Pages: 13

Notes

NTIS, PC A02/MF A01; 1.

Source

  • Waste management '86, Tucson, AZ, USA, 2 Mar 1986

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  • Other: DE86005029
  • Report No.: CONF-860317-5
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 6203761
  • Archival Resource Key: ark:/67531/metadc1112432

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1986

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • May 18, 2018, 6:53 p.m.

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Vedder, R.J.; Collins, E.D. & Haas, P.A. Development of the thermal denitration in-storage-can step in the CEUSP process, article, January 1, 1986; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1112432/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.