Hollow Fiber Membrane Contactors for Post-Combustion Carbon Capture: A Review of Modeling Approaches

Rivero, Joanna; Panagakos, Grigorios; Lieber, Austin; Hornbostel, Katherine

doi:10.3390/membranes10120382

Cited by 25 publications

(22 citation statements)

References 144 publications

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“…Despite the remarkable renewable energy capacities being operated around the world, global CO 2 concentrations continue to rise. A set of transformational carbon capture, utilization, and storage (CCUS) technologies are urgently needed that can prevent CO 2 from entering the atmosphere, use the captured CO 2 for downstream applications, and safely and permanently store it deep under the ground [ 1 ]. Membrane gas separation technology has been believed to be one of the most promising technologies to replace the traditional technologies such as amine scrubbing, due to its small footprint, simplicity, and high energy efficiency.…”

Section: Introductionmentioning

confidence: 99%

Recent Developments in High-Performance Membranes for CO2 Separation

Tong

Sekizkardes

2021

Membranes

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In this perspective article, we provide a detailed outlook on recent developments of high-performance membranes used in CO2 separation applications. A wide range of membrane materials including polymers of intrinsic microporosity, thermally rearranged polymers, metal–organic framework membranes, poly ionic liquid membranes, and facilitated transport membranes were surveyed from the recent literature. In addition, mixed matrix and polymer blend membranes were covered. The CO2 separation performance, as well as other membrane properties such as film flexibility, processibility, aging, and plasticization, were analyzed.

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Section: Introductionmentioning

confidence: 99%

Recent Developments in High-Performance Membranes for CO2 Separation

Tong

Sekizkardes

2021

Membranes

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“…A membrane that separates a gas phase containing CO 2 from a liquid phase where CO 2 is absorbed, is categorized as a CO 2 liquid contactor membrane (Figure 1). This category emerged as a new hybrid membrane system, called gas-liquid membrane contactors (GLMC), that combines the modularity and high surface area of the membrane with the high selectivity of the chemical absorption process [83,84]. Non-enzymatic GLMC developments have focused on improving membrane stability [85], minimizing pore wetting [86], and selecting the best solvent and activator [9].…”

Section: Co 2 Liquid Contactor Membranementioning

confidence: 99%

Biocatalytic Membranes for Carbon Capture and Utilization

Shen

Salmon

2023

Membranes

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Innovative carbon capture technologies that capture CO2 from large point sources and directly from air are urgently needed to combat the climate crisis. Likewise, corresponding technologies are needed to convert this captured CO2 into valuable chemical feedstocks and products that replace current fossil-based materials to close the loop in creating viable pathways for a renewable economy. Biocatalytic membranes that combine high reaction rates and enzyme selectivity with modularity, scalability, and membrane compactness show promise for both CO2 capture and utilization. This review presents a systematic examination of technologies under development for CO2 capture and utilization that employ both enzymes and membranes. CO2 capture membranes are categorized by their mode of action as CO2 separation membranes, including mixed matrix membranes (MMM) and liquid membranes (LM), or as CO2 gas–liquid membrane contactors (GLMC). Because they selectively catalyze molecular reactions involving CO2, the two main classes of enzymes used for enhancing membrane function are carbonic anhydrase (CA) and formate dehydrogenase (FDH). Small organic molecules designed to mimic CA enzyme active sites are also being developed. CO2 conversion membranes are described according to membrane functionality, the location of enzymes relative to the membrane, which includes different immobilization strategies, and regeneration methods for cofactors. Parameters crucial for the performance of these hybrid systems are discussed with tabulated examples. Progress and challenges are discussed, and perspectives on future research directions are provided.

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“…The features of the concentration profiles shown in Figure 3a,b are reminiscent of many past modeling studies of reactive absorption in flowing hollow fibers, and in fact eqs 17 and 18 have been solved for this setup several times previously (though assuming a higher target gas concentration). 27,37 While the solution to eqs 17 and 18 is relatively simple, we are interested in solving the mass transfer in the system over potentially thousands of tubes, and as such, we sought to accelerate the solution time further.…”

Section: Tubementioning

confidence: 99%

“…They are used extensively for liquid oxygenation and humidity control and have been studied for post-combustion carbon capture . Several reviews cover the breadth of past work in HFMCs. − Within post-combustion carbon capture, HFMCs have been studied extensively, including in cross-flow geometries, − though, to our knowledge, only one study has examined direct air capture with an HFMC. Stucki et al in 1995 proposed an air capture concept similar to that discussed here, using an aqueous absorbent tied to an electrochemical regeneration unit, though did not substantially discuss the system design …”

Section: Introductionmentioning

confidence: 99%

Nondimensional Analysis of a Hollow Fiber Membrane Contactor for Direct Air Capture

Diederichsen

Hatton

2022

Ind. Eng. Chem. Res.

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Negative emissions technologies, including the direct capture of carbon dioxide from the atmosphere, are increasingly seen as important components in solving the coming climate crisis. While contacting units for solid sorbents have been studied extensively, little work has been directed at the design of large-scale air–liquid contacting units for CO2 capture. Herein, we examine a conceptual large-scale gas–liquid contacting unit using hollow fiber membranes filled with a flowing, reactive sorbent liquid. In the proposed concept, the sorbent liquid is fed to a bank of hollow fibers exposed to a blown stream of air, and a sorbent inside the liquid reacts with CO2 in the air. We employ commonly used modeling techniques to describe the reactive absorption of CO 2 in the liquid, though in a generalized nondimensional form. Extending this solution to a bank of fibers, we demonstrate a means of extending the solution for few fibers to many fibers and discuss the trade-offs involved in achieving high sorbent utilization. The methodology described here produces a highly general solution to the design of a fiber tube bank for air contacting, and we demonstrate the use of this solution to size an example fiber contacting unit. The proposed design is envisioned to enable new conceptual liquid sorbent chemistries in direct air capture, particularly those envisioned for use with electrochemically mediated regeneration.

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Hollow Fiber Membrane Contactors for Post-Combustion Carbon Capture: A Review of Modeling Approaches

Cited by 25 publications

References 144 publications

Recent Developments in High-Performance Membranes for CO2 Separation

Recent Developments in High-Performance Membranes for CO2 Separation

Biocatalytic Membranes for Carbon Capture and Utilization

Nondimensional Analysis of a Hollow Fiber Membrane Contactor for Direct Air Capture

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