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Issue 19, 2020
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Practical and inexpensive acid-activated montmorillonite catalysts for energy-efficient CO2 capture

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Abstract

Here, we report acid-activated montmorillonite as a cheap, durable, abundant, and efficient heterogeneous catalyst to optimize the CO2 desorption rate at low temperatures (≤86 °C), eventually to significantly minimize the energy penalty of amine solutions employed for CO2 capture. The prepared catalysts do not degrade and can be easily separated by simple filtration. Detailed characterization reveals an increase in the BET surface area, mesoporosity, and surface acidity induced by the acid-activation process. These are the key catalytic properties responsible for the superior catalytic performance.

Graphical abstract: Practical and inexpensive acid-activated montmorillonite catalysts for energy-efficient CO2 capture

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Article information


Submitted
03 Jun 2020
Accepted
29 Jul 2020
First published
22 Aug 2020

Green Chem., 2020,22, 6328-6333
Article type
Communication

Practical and inexpensive acid-activated montmorillonite catalysts for energy-efficient CO2 capture

U. H. Bhatti, W. W. Kazmi, H. A. Muhammad, G. H. Min, S. C. Nam and I. H. Baek, Green Chem., 2020, 22, 6328
DOI: 10.1039/D0GC01887B

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