UV-Activated Graphene Oxide for Carbon Capture: Application as Self-Supported Foam Adsorbent and Counterpart in Metal-Organic Framework/Graphene Oxide Hybrid Adsorbents

7 Pages Posted: 8 Apr 2021

See all articles by Anish Varghese

Anish Varghese

Khalifa University of Science and Technology - Department of Chemical Engineering

K. Suresh Kumar Reddy

Khalifa University of Science and Technology - Department of Chemical Engineering

Swati Singh

Khalifa University of Science and Technology - Department of Chemical Engineering

Georgios Karanikolos

Khalifa University of Science and Technology - Department of Chemical Engineering

Date Written: February 15, 2021

Abstract

To follow the low-carbon environmental directives, it is imperative to develop sustainable carbon capture technologies. From an industrial viewpoint, carbon capture by adsorption shows increasing potential by virtue of energy and cost benefits. In this work, graphene oxide (GO)-based adsorbents, namely self-supported GO foam (GOF) and Cu-BTC metal-organic framework (MOF)/GO hybrids, were explored after applying UV activation on the GO. Gas adsorption evaluation indicated that UV activation of GO increased the CO2 uptake in both GOF and MOF/UV-GO, while selective adsorption of CO2 from N2 was also increased upon UV irradiation.

Keywords: carbon dioxide; carbon capture; adsorption; graphene oxide; metal-organic framework; MOFs; hybrids; UV

Suggested Citation

Varghese, Anish and Reddy, K. Suresh Kumar and Singh, Swati and Karanikolos, Georgios, UV-Activated Graphene Oxide for Carbon Capture: Application as Self-Supported Foam Adsorbent and Counterpart in Metal-Organic Framework/Graphene Oxide Hybrid Adsorbents (February 15, 2021). Proceedings of the 15th Greenhouse Gas Control Technologies Conference 15-18 March 2021, Available at SSRN: https://ssrn.com/abstract=3821344 or http://dx.doi.org/10.2139/ssrn.3821344

Anish Varghese

Khalifa University of Science and Technology - Department of Chemical Engineering ( email )

Abu Dhabi
United Arab Emirates

K. Suresh Kumar Reddy

Khalifa University of Science and Technology - Department of Chemical Engineering ( email )

Abu Dhabi
United Arab Emirates

Swati Singh

Khalifa University of Science and Technology - Department of Chemical Engineering ( email )

Abu Dhabi
United Arab Emirates

Georgios Karanikolos (Contact Author)

Khalifa University of Science and Technology - Department of Chemical Engineering ( email )

Abu Dhabi
United Arab Emirates

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