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Journal ArticleDOI

Review of CO2 absorption using chemical solvents in hollow fiber membrane contactors

TLDR
In this paper, a hollow fiber membrane contactor is used to separate CO2 from a gas stream, which is a promising alternative to conventional techniques such as column absorption, and the major advantages of the membrane absorption are the larger interfacial area, better device-modularity and more operational flexibility.
About
This article is published in Separation and Purification Technology.The article was published on 2005-02-01. It has received 490 citations till now. The article focuses on the topics: Hollow fiber membrane & Contactor.

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Citations
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Journal ArticleDOI

Practical designs of membrane contactors and their performances in CO2/CH4 separation

TL;DR: In this paper, the effect of operating parameters on the membrane contactors, the connection of modules, flow rates, and operating pressures were tuned for CO 2 /CH 4 separation using single absorption processes and combined absorption/desorption processes using water.
Journal ArticleDOI

Preparation of nanoparticles with a gas-liquid membrane contactor

TL;DR: In this paper, a gas-liquid membrane contactor for nanosized calcium carbonate and strontium carbonate, aluminium hydroxide and alumina particles was presented.
Journal ArticleDOI

Enzyme Carbonic Anhydrase Accelerated CO2 Absorption in Membrane Contactor

TL;DR: In this paper, the possibility of employing the enzyme carbonic anhydrase (CA) for the acceleration of CO2 reaction in MDEA and MEA solution in combination with the use of a membrane contactor was investigated in a lab scale module.
Journal ArticleDOI

Experimental and Modeling Study of Trace CO2 Removal in a Hollow-Fiber Membrane Contactor, Using CO2-Loaded Monoethanolamine

TL;DR: In this article, the trade-off between CO2 removal efficiency and absorption flux was investigated in a hollow-fiber membrane contactor using monoethanolamine (MEA) solution.
References
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Journal ArticleDOI

Hollow fiber membrane contactors

TL;DR: A general review of hollow fiber membrane contactors, including operating principles, relevant mathematics, and applications, is provided in this paper, where a number of membrane module geometries are possible, hollow fiber modules have received the most attention.
Journal ArticleDOI

Solubility and Diffusivity of Acid Gases (CO2, N2O) in Aqueous Alkanolamine Solutions

TL;DR: In this paper, the diffusivity of N2O and CO2 in aqueous alkanolamine solution was measured and correlated over a wide range of conditions, and a modified Stokes-Einstein relation was derived.
Patent

Hollow-fiber membrane contactors

TL;DR: In this article, a liquid sorbent contacts the gas mixture along asymmetric hollow-fiber membranes that enable transfer of the carbon dioxide from a gas mixture to the liquid carbon dioxide.
Journal ArticleDOI

Designing hollow-fiber contactors

TL;DR: In this paper, the mass transfer correlations reported in this paper are similar to earlier heat and mass transfer correlation, but can be complicated by diffusion across the fiber wall and by alterations in fiber geometry.
Journal ArticleDOI

Microporous hollow fibers for gas absorption. I. Mass transfer in the liquid

TL;DR: In this paper, a theory for the operation of hollow fiber membrane modules is developed, and mass transfer coefficients in the liquid phase are investigated, and the results show when the advantage of the increased area is greater than the disadvantage of the membrane resistance.
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