Commercial Kevlar derived activated carbons for CO2 and C2H4 sorption-Reference-Cited by-同舟云学术

Commercial Kevlar derived activated carbons for CO2 and C2H4 sorption

Published:2021-06-01 Issue:2 Volume:23 Page:81-87
ISSN:1899-4741
Container-title:Polish Journal of Chemical Technology
language:en
Short-container-title:

Author:

Kaliszewski M.¹,Zgrzebnicki M.¹,Kałamaga A.¹,Pinjara S.¹,Wróbel R.J.¹

Affiliation:

1. West Pomeranian University of Technology , Szczecin, Faculty of Chemical Technology and Engineering, Department of Catalytic and Sorbent Materials Engineering , Piastów 42 , Szczecin , Poland

Abstract

Abstract The carbonaceous precursor was obtained via pyrolysis of commercial aramid polymer (Kevlar). Additionally the precursor was activated at 1000°C in CO2 atmosphere for different times. Obtained materials were characterised by BET; XPS; SEM and optical microscopy. The sorption capacities were determined by temperature swing adsorption performed in TGA apparatus for CO2 and C2H4 gases. The obtained materials exhibit high difference in sorption of these gases i.e. 1.5 and 2.8 mmol/g @30°C respectively and high SSA ~1600 m2/g what can be applied in separation applications. The highest uptakes were 1.8 and 3.1 mmol/g @30°C respectively. It was found that the presence of oxygen and nitrogen functional groups enhances C2H4/CO2 uptake ratio.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering,General Chemistry,Biotechnology

Link

https://www.sciendo.com/pdf/10.2478/pjct-2021-0021

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