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  • 1
    Electronic Resource
    Electronic Resource
    Production of oxygen enriched air by rapid pressure swing adsorption (1995)
    Springer
    Adsorption 1 (1995), S. 313-320 
    Details
    ISSN: 1572-8757
    Keywords: pressure swing adsorption ; air separation ; zeolite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract A novel rapid pressure swing adsorption (RPSA) process is described for production of 25–50% oxygen enriched air. The embodiment consists of one or more pairs of adsorbent layers contained in a single adsorption vessel. The layers undergo simultaneous pressurization-adsorption and simultaneous depressurization-purge steps. A total cycle time of 6–20 seconds is used. The process yields a very large specific oxygen production rate and a reasonable oxygen recovery for production of 20–50 mole% oxygen enriched gas. It is demonstrated by a simple mathematical model of isothermal single adsorbate pressure swing ad(de)sorption concept on a single adsorbent particle that the specific production rate of a PSA process cannot be indefinitely increased by reducing the cycle time of operation when adsorbate mass transfer resistances are finite.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00707354
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Production of oxy-rich air by RPSA for combustion use (1996)
    Springer
    Adsorption 2 (1996), S. 323-326 
    Details
    ISSN: 1572-8757
    Keywords: pressure swing adsorption ; air separation ; zeolite ; rapid cycle ; heat integration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The capital and energy costs of production of oxygen enriched air by a rapid pressure swing adsorption (RPSA) process can be reduced by decoupling the air drying and the air separation duties of the process. Integration of the oxygen-RPSA process with an enhanced combustion application system allows thermal swing adsorption drying of air feed to the RPSA process. The air separation process then can be run using an ad(de)sorption pressure envelope of 2:1 atmospheres, which significantly reduces the cost and energy of operation of the air compressor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00879548
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Parametric Study of a Pressure Swing Adsorption Process (2000)
    Springer
    Adsorption 6 (2000), S. 179-188 
    Details
    ISSN: 1572-8757
    Keywords: pressure swing adsorption ; methane ; hydrogen ; process design
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The performance of a pressure swing adsorption (PSA) process for production of high purity hydrogen from a binary methane-hydrogen mixture is simulated using a detailed, adiabatic PSA model. An activated carbon is used for selective adsorption of methane over hydrogen. The effects of various independent process variables (feed gas pressure and composition, purge gas pressure and quantity, configuration of process steps) on the key dependent process variables (hydrogen recovery at high purity, hydrogen production capacity) are evaluated. It is demonstrated that many different combinations of PSA process steps, their operating conditions, and the feed gas conditions can be chosen to produce an identical product gas with different hydrogen recovery and productivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008925703871
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    Paper (German National Licenses)
    Fulltext
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