DAREX PROCESSING OF APPR FUEL: EFFECT OF ACIDITY AND GAS SPARGING ON RATE OF CHLORIDE REMOVAL FROM DISSOLVER PRODUCT DURING REFLUXING

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The rate of chloride removal varied directly with HNO/sub 3/ concentration fn an APPR-type Darex dissolver product containing 100 g/liter metal loading, 0.58 M initial chloride, and initial HNO/sub 3/ concentrations of 8, 9, 10, 12, and 14 M. The removal rate with 8 and 9 M HNO/sub 3/ was very low. After 6 hr refluxing, the chloride content decreased to 0.50 and 0.36 M, respectively. After refluxing for the same time with 10 to 14 M HNO/sub 3/, the product contained 0.064to 0.0007 M (2270 to 25 ppm) chloride. The effect of air sparging was approximately equivalent to refluxing ... continued below

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Pages: 15

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Finney, B.C. & Kitts, F.G. August 1, 1959.

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The rate of chloride removal varied directly with HNO/sub 3/ concentration fn an APPR-type Darex dissolver product containing 100 g/liter metal loading, 0.58 M initial chloride, and initial HNO/sub 3/ concentrations of 8, 9, 10, 12, and 14 M. The removal rate with 8 and 9 M HNO/sub 3/ was very low. After 6 hr refluxing, the chloride content decreased to 0.50 and 0.36 M, respectively. After refluxing for the same time with 10 to 14 M HNO/sub 3/, the product contained 0.064to 0.0007 M (2270 to 25 ppm) chloride. The effect of air sparging was approximately equivalent to refluxing without sparging at a HNO/sub 3/ concentration 2 M higher. After 6 hr sparging and refluxing the chloride content varied from 0.034 to < 0.00014 M (1200 to < 5 ppm) for initial HNO/sub 3/ concentrations from 8 to 14 M. (auth)

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Pages: 15

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  • Other Information: Orig. Receipt Date: 31-DEC-59

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  • Report No.: ORNL-2753
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/4227742 | External Link
  • Office of Scientific & Technical Information Report Number: 4227742
  • Archival Resource Key: ark:/67531/metadc1026938

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  • August 1, 1959

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  • Oct. 15, 2017, 10:09 p.m.

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  • Oct. 20, 2017, 3:31 p.m.

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Finney, B.C. & Kitts, F.G. DAREX PROCESSING OF APPR FUEL: EFFECT OF ACIDITY AND GAS SPARGING ON RATE OF CHLORIDE REMOVAL FROM DISSOLVER PRODUCT DURING REFLUXING, report, August 1, 1959; Oak Ridge, Tennessee. (digital.library.unt.edu/ark:/67531/metadc1026938/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.