CSER 95-005: PFP vertical denitration calciner

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Description

The Vertical Denitrating Calciner system will stabilize certain unique solutions containing fissile salts by removing the water and nitrate ion to produce a more easily stored powder. This end is achieved by high-firing the solution in the calciner. The resultant calcine is distinguished by particles which are larger and denser than those produced by the more conventional oxalate precipitation process. This criticality safety evaluation report examines criticality safety for the denitration system, installed in glovebox 188-1 at PFP. The examination shows that, due to the incorporation of standard criticality safety design techniques, the glovebox can be maintained subcritical with minimal ... continued below

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80 p.

Creation Information

Geiger, J.L. May 31, 1995.

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This report 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. More information about this report can be viewed below.

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  • Westinghouse Hanford Company
    Publisher Info: Westinghouse Hanford Co., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

The Vertical Denitrating Calciner system will stabilize certain unique solutions containing fissile salts by removing the water and nitrate ion to produce a more easily stored powder. This end is achieved by high-firing the solution in the calciner. The resultant calcine is distinguished by particles which are larger and denser than those produced by the more conventional oxalate precipitation process. This criticality safety evaluation report examines criticality safety for the denitration system, installed in glovebox 188-1 at PFP. The examination shows that, due to the incorporation of standard criticality safety design techniques, the glovebox can be maintained subcritical with minimal reliance on administrative controls. The examination also shows that, ignoring the necessary administrative controls can make a criticality possible in glovebox 188-1. Section 3.0 of this report lists the necessary administrative controls.

Physical Description

80 p.

Notes

INIS; OSTI as DE95014430

Source

  • Other Information: PBD: 31 May 1995

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  • Other: DE95014430
  • Report No.: WHC-SD-SQA-CSA--20392
  • Grant Number: AC06-87RL10930
  • DOI: 10.2172/83874 | External Link
  • Office of Scientific & Technical Information Report Number: 83874
  • Archival Resource Key: ark:/67531/metadc787326

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  • May 31, 1995

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Feb. 8, 2016, 9:58 p.m.

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Citations, Rights, Re-Use

Geiger, J.L. CSER 95-005: PFP vertical denitration calciner, report, May 31, 1995; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc787326/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.