Reactive absorption of carbon dioxide in aqueous n-methyldiethanoloamine solutions catalysed with carbonic anhydrase in a rotating packed bed (RPB)

Experimental study on the effect of process parameters on postcombustion CO2 capture using rotating packed bed technology

“…This study confirms the findings of Zahir et al 20 that the contact angle between solvent and packing and the rotation speed of the packing have a significant influence on the liquid dispersion in the packing; for example, an eightfold increase in CO 2 absorption was observed when the liquid dispersion was doubled. In addition, the shear forces cause greater micro‐mixing with increasing speed, which leads to a decrease in the effective boundary layer thickness and an increase in the mass transfer coefficient on the liquid side 22 …”

“…In addition, the shear forces cause greater micro-mixing with increasing speed, which leads to a decrease in the effective boundary layer thickness and an increase in the mass transfer coefficient on the liquid side. 22 3.2 | Effect of MEA concentration on CO 2 capture efficiency and K a G Higher capture rates and a greater propensity for equipment corrosion are caused by an increase in the concentration of lean MEA. To find the concentration that provides an optimum capture efficiency and with lower tendency for corrosion, it is important to have a thorough understanding of this connection.…”

“…However, they reduce plant flexibility and make operation and control more difficult 21 . Experimental studies on RPB for CO 2 capture using N ‐methyldiethanolamine enhanced with addition of carbonic anhydrase resulted in 2–5‐fold increase in degree of CO 2 absorption compared to amine without biocatalyst as reported by Wojtasik‐Malinowska et al 22 Wen et al 23 reported the use of controllable cross‐sectional areas for intensified CO 2 capture in RPB and conclude that it is viable to adopt packing with constant cross‐sectional area.…”

A Comprehensive Review on Recent Advancements in Absorption-Based Post Combustion Carbon Capture Technologies to Obtain a Sustainable Energy Sector with Clean Environment

“…In another article, Hannaneh reported a promising enzymatic CO 2 absorption approach in a packed bed reactor, and based on their experimental and theoretical approaches, they reported a packed bed bioreactor with immobilized carbonic anhydrase enzyme on magnetic nanoparticles and packing surface as an attractive process for green CO 2 capture process [134]. Several experiments have revealed that applying CA with absorbents (such as MDEA) can enhance absorption performance significantly [135]. Mthias et al experimented with an enzyme-enhanced CO 2 absorption mechanism in which they incorporated CA in the biocatalyst delivery system to investigate with an aqueous MDEA solvent.…”

Three-dimensional gas-liquid flow simulation of a rotating packed bed using Eulerian porous media models

“…wastewater treatment [7], wet dust removal and purification [8,9], and acid gas removal [10][11][12][13]. The mass transfer characteristics between gas and liquid phases in RPBs, while serving as the basis for reactor design, are unanimously considered to be strongly dependent on the flow behavior of fluid.…”