2020
DOI: 10.1021/acs.iecr.0c00844
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Corrugated Screen Packing (CSP) for Improved Gas Liquid Absorption in Cocurrent Downflow Packed Columns Operating in a Pulse Flow Regime

Abstract: This study evaluated for the first time the performance of CSP in a cocurrent downflow packed column operating at a pulsing flow regime. Packing performance was evaluated on a bench-scale absorber equipped with high-speed imaging and pressure gauges. Absorption experiments were conducted at 101.3 kPa using an 8 vol % CO2/air mixture and a 22 mol % MEA solution to determine the overall mass transfer coefficient, K OGa, and absorber height requirements. CSP was shown to be effective in facilitating pulsing at a … Show more

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Cited by 4 publications
(4 citation statements)
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References 55 publications
(123 reference statements)
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“…The advantage of using alkanolamine solutions is the reversibility of carbon dioxide binding, which makes it possible to regenerate the absorbent at temperatures up to 120-140°C [81]. Despite the development of other approaches to trapping carbon dioxide, the constant development and improvement of amine purification (in terms of the development of new amine absorbents, process parameters, and instrumentation) allows us to expect the demand for this process in industry and power engineering in the coming decades [80][81][82][83][84][85][86][87].…”
Section: Membrane Technologies To Improve Efficiency Of Amine Co 2 Purificationmentioning
confidence: 99%
“…The advantage of using alkanolamine solutions is the reversibility of carbon dioxide binding, which makes it possible to regenerate the absorbent at temperatures up to 120-140°C [81]. Despite the development of other approaches to trapping carbon dioxide, the constant development and improvement of amine purification (in terms of the development of new amine absorbents, process parameters, and instrumentation) allows us to expect the demand for this process in industry and power engineering in the coming decades [80][81][82][83][84][85][86][87].…”
Section: Membrane Technologies To Improve Efficiency Of Amine Co 2 Purificationmentioning
confidence: 99%
“…18 The most widely used packings made from metallic or ceramic possess different geometries: spheres, cylinders, Raschig rings, Pall rings, Dixon rings, foams, and defined structures. 24 Niranjan and Pangarkar 25 found that polypropylene Pall rings achieved higher gas holdup than Raschig rings and ceramic Intalox saddles. Virla et al 24 proposed the corrugated screen packing in combination with operating at a pulsing flow regime for a better absorption rate.…”
Section: Introductionmentioning
confidence: 99%
“…Niranjan and Pangarkar found that polypropylene Pall rings achieved higher gas holdup than Raschig rings and ceramic Intalox saddles. Virla et al proposed the corrugated screen packing in combination with operating at a pulsing flow regime for a better absorption rate. Both high mass transfer coefficient and interfacial area can be achieved by the coupled optimization of flow and structure characteristics.…”
Section: Introductionmentioning
confidence: 99%
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