Dynamic Response and Characteristics of an Oxygen Vacuum Swing Adsorption

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Dynamic Response and Characteristics of an Oxygen Vacuum Swing Adsorption ( dynamic-response-and-characteristics-an-oxygen-vacuum-swing- )

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Dynamic Response/Characteristics of an Oxygen Swing Adsorption Process to Step Perturbations. Part 1 321 Figure 1. P & ID of the experimental VSA pilot plant. Figure 2. Software and hardware communications highway of the O2 VSA pilot plant. by the gas flow) and real-time performance calculations. Finally, the data was logged remotely via a SCADA package (Citect). A schematic representation of the communications highway is given in Figure 2. THE VSA CYCLE The VSA cycle studied here bears the main characteristics typical of industrial practice. It con- sisted of a dual-bed, six-step, 60-s cycle, with a single layer of commercially available lithium- based zeolitic sieve (9.1 kg/bed) placed above a prelayer of alumina (0.5 kg/bed). In industry, the function of the prelayer is to remove moisture from the air stream, thereby preventing contamina- tion of the main bed. Although the air had been pre-dried, the prelayer was retained in order to duplicate the unusual temperature profiles created by a prelayer of material in a bulk gas separa- tion system (Wilson et al. 2001).

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Dynamic Response and Characteristics of an Oxygen Vacuum Swing Adsorption

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