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CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam

Enrico Andreoli Orcid Logo, Andrew Barron Orcid Logo

C - Journal of Carbon Research, Volume: 2, Issue: 4, Start page: 25

Swansea University Authors: Enrico Andreoli Orcid Logo, Andrew Barron Orcid Logo

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DOI (Published version): 10.3390/c2040025

Abstract

The expansion product from the sulfuric acid dehydration of para-nitroaniline has been characterized and studied for CO2 adsorption. The X-ray photoelectron spectroscopy (XPS) characterization of the foam indicates that both N and S contents (15 and 9 wt%, respectively) are comparable to those separ...

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Published in: C - Journal of Carbon Research
ISSN: 2311-5629
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa33885
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last_indexed 2018-02-09T05:23:28Z
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spelling 2017-08-01T14:01:38.8399475 v2 33885 2017-05-23 CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam cbd843daab780bb55698a3daccd74df8 0000-0002-1207-2314 Enrico Andreoli Enrico Andreoli true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 2017-05-23 CHEG The expansion product from the sulfuric acid dehydration of para-nitroaniline has been characterized and studied for CO2 adsorption. The X-ray photoelectron spectroscopy (XPS) characterization of the foam indicates that both N and S contents (15 and 9 wt%, respectively) are comparable to those separately reported for nitrogen- or sulfur-containing porous carbon materials. The analysis of the XPS signals of C1s, O1s, N1s, and S2p reveals the presence of a large number of functional groups and chemical species. The CO2 adsorption capacity of the foam is 7.9 wt% (1.79 mmol/g) at 24.5 °C and 1 atm in 30 min, while the integral molar heat of adsorption is 113.6 kJ/mol, indicative of the fact that chemical reactions characteristic of amine sorbents are observed for this type of carbon foam. The kinetics of adsorption is of pseudo-first-order with an extrapolated activation energy of 18.3 kJ/mol comparable to that of amine-modified nanocarbons. The richness in functionalities of H2SO4-expanded foams represents a valuable and further pursuable approach to porous carbons alternative to KOH-derived activated carbons. Journal Article C - Journal of Carbon Research 2 4 25 2311-5629 porous carbon; nitrogen; sulfur; CO2; nitroaniline; sulfuric acid 21 12 2016 2016-12-21 10.3390/c2040025 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2017-08-01T14:01:38.8399475 2017-05-23T11:59:47.3307761 College of Engineering Engineering Enrico Andreoli 0000-0002-1207-2314 1 Andrew Barron 0000-0002-2018-8288 2 0033885-02062017101201.pdf andreoli2017(2).pdf 2017-06-02T10:12:01.1830000 Output 1122150 application/pdf Version of Record true 2017-06-02T00:00:00.0000000 true eng
title CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam
spellingShingle CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam
Enrico Andreoli
Andrew Barron
title_short CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam
title_full CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam
title_fullStr CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam
title_full_unstemmed CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam
title_sort CO2 Adsorption by para-Nitroaniline Sulfuric Acid-Derived Porous Carbon Foam
author_id_str_mv cbd843daab780bb55698a3daccd74df8
92e452f20936d688d36f91c78574241d
author_id_fullname_str_mv cbd843daab780bb55698a3daccd74df8_***_Enrico Andreoli
92e452f20936d688d36f91c78574241d_***_Andrew Barron
author Enrico Andreoli
Andrew Barron
author2 Enrico Andreoli
Andrew Barron
format Journal article
container_title C - Journal of Carbon Research
container_volume 2
container_issue 4
container_start_page 25
publishDate 2016
institution Swansea University
issn 2311-5629
doi_str_mv 10.3390/c2040025
college_str College of Engineering
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hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
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description The expansion product from the sulfuric acid dehydration of para-nitroaniline has been characterized and studied for CO2 adsorption. The X-ray photoelectron spectroscopy (XPS) characterization of the foam indicates that both N and S contents (15 and 9 wt%, respectively) are comparable to those separately reported for nitrogen- or sulfur-containing porous carbon materials. The analysis of the XPS signals of C1s, O1s, N1s, and S2p reveals the presence of a large number of functional groups and chemical species. The CO2 adsorption capacity of the foam is 7.9 wt% (1.79 mmol/g) at 24.5 °C and 1 atm in 30 min, while the integral molar heat of adsorption is 113.6 kJ/mol, indicative of the fact that chemical reactions characteristic of amine sorbents are observed for this type of carbon foam. The kinetics of adsorption is of pseudo-first-order with an extrapolated activation energy of 18.3 kJ/mol comparable to that of amine-modified nanocarbons. The richness in functionalities of H2SO4-expanded foams represents a valuable and further pursuable approach to porous carbons alternative to KOH-derived activated carbons.
published_date 2016-12-21T03:57:17Z
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