CO2 absorption intensification using three‐dimensional printed dynamic polarity packing in a bench‐scale integrated CO2 capture system. Issue 4 (12th January 2022)

• Record Type: Journal Article
• Authors: Xiao, Min; Sarma, Moushumi; Thompson, Jesse; Nguyen, Du; Ruelas, Samantha; Liu, Kunlei
• Is Part Of: AIChE journal. Volume 68:Issue 4(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-01-12
• Subjects: aqueous amine -- CO2 capture -- dynamic polarity packing -- mass transfer intensification; Chemical engineering -- Periodicals; Génie chimique -- Périodiques; 660.28
• DOI: 10.1002/aic.17570
• Languages: English
• ISSNs: 0001-1541

Abstract

Abstract: Postcombustion carbon capture using a chemical absorbent is a promising technology to reduce CO2 emission. However, the overall construction and operating costs remain a major challenge. In order to intensify the absorption process and to reduce these costs, a novel dynamic polarity structured packing (DP packing) with alternate patterns of surface polarity has been developed to enhance local macro‐scale turbulence within the advanced viscous solvent to reduce the mass transfer diffusion resistance. Three DP structured packings that incorporate multiple polymeric materials were fabricated using three‐dimensional printing technique and evaluated through parametric testing using a bench‐scale integrated CO2 capture unit with 76.2 mm ID absorber. At optimized operating conditions, the DP packing showed a relative 22.7% increase in absorption and 20.0% decrease in energy penalty.