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Advances in ambient temperature air separation.

Author(s) : NOTARO F.

Summary

Since 1986, significant advances have been made in the production of oxygen and nitrogen by means of adsorptive and membrane processes, operating at or near ambient temperature. The impetus for these advances is provided by continuing improvements in adsorbent or membrane materials and the associated processes and equipment used in the design of these ambient temperature systems. Significant advances have been made in the design of adsorptive systems for the production of medium-purity (90%-94%) oxygen. These systems are typically used in the metals, glass, and chemical industries, where the high purity produced by cryogenic processes is not always required. For the case of oxygen, improvements in the properties of adsorbents have enabled the design of systems with significant capital and power cost benefits. The paper discusses the current status of ambient temperature air separation with emphasis on the production of medium-purity oxygen. Capabilities of current systems are described, comparative economics are discussed, the impact on cryogenic air separation is also discussed, and prospects for the future are explored.

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Pages: 215-233

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Details

  • Original title: Advances in ambient temperature air separation.
  • Record ID : 1998-0038
  • Languages: English
  • Source: MUST 1996. Meeting on Air Separation Technology
  • Publication date: 1996/10/10
  • Document available for consultation in the library of the IIR headquarters only.

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