CONTROL OF OXYGEN CONCENTRATION IN A LARGE SODIUM SYSTEM

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Description

Data on the performances of two types of cold traps in the 50,000-lb radioactive sodium system at the SRE are tabulated. The rates were determined when trap inlet oxygen concentrations were at 8 to 10 parts per million. Oxygen concentration was readily controlled to 8 ppm using a cold trap. Extraction of oxygen from sodium by zirconium at 1200 deg F (hot trapping) reduces the concentration below the limit of detection, i.e., oxide solubility saturation temperature below 225 deg F. The theoretical limit for the equilibrium oxygen concentration was calculated to be less than 7 x 10/sup -6/ ppm. The ... continued below

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Pages: 45

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Hinze, R B December 1, 1959.

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Description

Data on the performances of two types of cold traps in the 50,000-lb radioactive sodium system at the SRE are tabulated. The rates were determined when trap inlet oxygen concentrations were at 8 to 10 parts per million. Oxygen concentration was readily controlled to 8 ppm using a cold trap. Extraction of oxygen from sodium by zirconium at 1200 deg F (hot trapping) reduces the concentration below the limit of detection, i.e., oxide solubility saturation temperature below 225 deg F. The theoretical limit for the equilibrium oxygen concentration was calculated to be less than 7 x 10/sup -6/ ppm. The observed extraction rate of 0.009 lb oxygen/hr was one-half of the rate predicted from material behavior studies. (auth)

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Pages: 45

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  • Other Information: Orig. Receipt Date: 31-DEC-60

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  • Report No.: NAA-SR-3638
  • Grant Number: AT-11-1-GEN-8
  • DOI: 10.2172/4190696 | External Link
  • Office of Scientific & Technical Information Report Number: 4190696
  • Archival Resource Key: ark:/67531/metadc875664

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  • December 1, 1959

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  • Sept. 21, 2016, 2:29 a.m.

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  • Sept. 29, 2016, 12:03 p.m.

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Hinze, R B. CONTROL OF OXYGEN CONCENTRATION IN A LARGE SODIUM SYSTEM, report, December 1, 1959; Canoga Park, California. (digital.library.unt.edu/ark:/67531/metadc875664/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.