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Adsorptive separation of Kr from N2-Part II. Development of a pilot unit

Authors

  • F. H. Tezel,

    1. Department of Chemical Engineering, University of New Brunswick, P.O. Box 4400, Fredericton, New Brunswick E3B 5A3
    Current affiliation:
    1. Now with University of Ottawa, Dept. of Chemical Engineering, Ottawa, Ontario KIN 6N5 Canada
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  • D. M. Ruthven,

    1. Department of Chemical Engineering, University of New Brunswick, P.O. Box 4400, Fredericton, New Brunswick E3B 5A3
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  • H. A. Boniface,

    1. Department of Chemical Engineering, University of New Brunswick, P.O. Box 4400, Fredericton, New Brunswick E3B 5A3
    Current affiliation:
    1. Now with Atomic Energy of Canada, Chalk River Nuclear Research Lab. Chalk River. Ontario K0J 1J0 Canada
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  • T. S. Sridhar

    1. Atomic Energy of Canada Ltd., 344 Slater St., Ottawa, Ontario, K1A 0S4
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Abstract

Design and development of a pilot scale chromatographic process for separation of trace amounts of krypton from a nitrogen atmosphere is described. The system uses a large column (1.20 m × 0.055 m i.d.) packed with H-mordenite adsorbent and operated under overload conditions. A preliminary economic evaluation suggests that this process is competitive with the conventional cryogenic distillation process.

Abstract

On décrit la conception et la mise au point d'un procédé chromatographique à l'échelle pilote pour la séparation de quantités à l'état de trace de krypton à partir d'une atmosphère azotée. Le système utilise une grande colonne (1,20 m × 0,055 m de diamètre intérieur) garnie d'adsorbant au H-mordenite et fonctionnant dans des conditions de surcharge. Une évaluation économique préliminaire suggère que ce procédé est compétitif avec le procédé de distillation cryogénique traditionnel.

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