Membrane Reactors

Iaquaniello, Gaetano; Centi, Gabriele; Falco, Marcello De; Basile, Angelo

doi:10.1002/9781118906842.ch1

Cited by 1 publication

(1 citation statement)

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“…Scholes et al [22] have reviewed different types of selective membranes that can maximise the energy efficiency of pre-combustion carbon capture. A liquid mass transfer coefficient increase of 5 times when compared to a conventional packed column for CO 2 absorption in water at superficial liquid velocity of 1.25 cm/s has been reported [165], hence it is classified as one of the promising process intensification strategy [166]. Intensification of the CO 2 stripper by reducing the energy penalty can also be achieved by using membrane contactor [158].…”

Section: Intensification Using Membrane Separators and Reactorsmentioning

confidence: 99%

Process intensification technologies for CO2 capture and conversion – a review

2020

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With the concentration of CO 2 in the atmosphere increasing beyond sustainable limits, much research is currently focused on developing solutions to mitigate this problem. Possible strategies involve sequestering the emitted CO 2 for long-term storage deep underground, and conversion of CO 2 into value-added products. Conventional processes for each of these solutions often have high-capital costs associated and kinetic limitations in different process steps. Additionally, CO 2 is thermodynamically a very stable molecule and difficult to activate. Despite such challenges, a number of methods for CO 2 capture and conversion have been investigated including absorption, photocatalysis, electrochemical and thermochemical methods. Conventional technologies employed in these processes often suffer from low selectivity and conversion, and lack energy efficiency. Therefore, suitable process intensification techniques based on equipment, material and process development strategies can play a key role at enabling the deployment of these processes. In this review paper, the cutting-edge intensification technologies being applied in CO 2 capture and conversion are reported and discussed, with the main focus on the chemical conversion methods.

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Section: Intensification Using Membrane Separators and Reactorsmentioning

confidence: 99%