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CO2 capture by amino-functionalized graphene oxide

Abstract: Human activity is increasing CO2 atmospheric concentration contributing to global warming. In this situation CO2 reversible capture and storage, what it is known as carbon capture and conversion (CCC), can be part of the solution. In this context, searching for a suitable material for this application is necessary. The present study was carried out to investigate the CO2adsorption of amino-functionalized graphene oxide on its surface. Amino-functionalized graphene oxide samples were prepared by different methods with two kind of molecules: 3-aminopropyltrimethoxysilane (APTMS) and polyethylenimine (PEI). A characterization study of the prepared samples was done with thermal analysis, thermogravimetry (TG) and differential scanning calorimetry (DSC), and X-ray photoelectron spectroscopy (XPS). To evaluate the CO2adsorption of the samples CO2 adsorption isotherms were done. These isotherms correspond with a type I and shows an improvement in CO2 chemisorption regarding graphene oxide.

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Authorship: González-Barriuso M., Pesquera C., González F., Yedra Á., Blanco C.,

Fuente: Chemical Engineering Transactions. 2019, 75, 637-642

Publisher: AIDIC

Publication date: 15/06/2019

No. of pages: 6

Publication type: Article

DOI: 10.3303/CET1975107

ISSN: 1974-9791,2283-9216

Consult in UCrea Read publication

Authorship

MARINA GONZALEZ BARRIUSO

MARIA DEL CARMEN PESQUERA GONZALEZ

FERNANDO GONZALEZ MARTINEZ

ANGEL YEDRA MARTINEZ

CARMEN BLANCO DELGADO

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