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Kinetics of the vapor phase chlorination of niobium oxychloride by phosgene

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Abstract

The kinetics of the homogeneous gas phase reaction between niobium oxychloride and phosgene was studied between 380° and 450°C in a constant volume reactor. The reaction was found to be essentially irreversible with the only detected reaction products being niobium pentachloride and carbon dioxide. The data obtained were fit by an elementary second-order rate equation. Values of the Arrhenius frequency factor and activation energy were found to be 1.33 × 106 liter per g mol sec and 21.9 kcal per g mol with standard deviations of 0.05 × 106 and 1.4, respectively.

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Authors and Affiliations

  1. Phillips Petroleum Co., Bartlesville, Okla

    D. D. Boesiger

  2. Ames Laboratory of the U.S. Atomic Energy Commission, Iowa State University, and Engineer, Ames, Iowa

    F. D. Stevenson (Associate Professor of Chemical Engineering)

Authors
  1. D. D. Boesiger
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  2. F. D. Stevenson
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Boesiger, D.D., Stevenson, F.D. Kinetics of the vapor phase chlorination of niobium oxychloride by phosgene. Metall Trans 1, 1859–1861 (1970). https://doi.org/10.1007/BF02642783

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  • DOI: https://doi.org/10.1007/BF02642783

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