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Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method / Saeid Khodabakhshi, Sajad Kiani, Yubiao Niu, Alvin Orbaek White, Wafa Suwaileh, Richard Palmer, Andrew Barron, Enrico Andreoli

Carbon, Volume: 171, Pages: 426 - 436

Swansea University Authors: Saeid Khodabakhshi, Sajad Kiani, Yubiao Niu, Alvin Orbaek White, Richard Palmer, Andrew Barron, Enrico Andreoli

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Abstract

A new and environmentally friendly non-caustic route to synthesize ultramicroporous carbon spheres (CS) via a simple one-step non-catalytic and activation-free chemical vapor deposition (CVD) method is described. The CVD method was applied at different temperatures, 600-900 °C; 800 °C was identified...

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Published in: Carbon
ISSN: 0008-6223
Published: Elsevier BV 2021
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The CVD method was applied at different temperatures, 600-900 &#xB0;C; 800 &#xB0;C was identified as the optimum for CS formation using a safe solid feedstock. The proposed method is suitable for large-scale adoption since high pyrolysis temperatures are already used in multi-million-ton industries such as that of carbon black production. Specific surface area and total pore volume were influenced by the deposition temperature, leading to an appreciable change in overall capture capacity. The ultramicropores allow the effective interaction of the sorbent with CO2, resulting in high carbon capture capacity at both atmospheric and lower pressures. At atmospheric pressure, the highest CO2 adsorption capacities were ca. 4.0 mmol.g-1 and 2.9 mmol.g-1 at 0 &#xB0;C and 25 &#xB0;C, respectively, for the best CS. At lower pressure, 0.15 bar, the CO2 adsorption capacities were 2.0 mmol.g-1 and 1.1 mmol.g-1, again at 0 &#xB0;C and 25 &#xB0;C. 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spelling 2021-09-18T07:54:39.2668566 v2 55116 2020-09-03 Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method 547fd5929a2fd30733277eca799fbf9b Saeid Khodabakhshi Saeid Khodabakhshi true false fe9ec46699e095368faf2a0465b598c5 Sajad Kiani Sajad Kiani true false c403a40f2acf2dc32e37b4555d19b4c0 Yubiao Niu Yubiao Niu true false 8414a23650d4403fdfe1a735dbd2e24e 0000-0001-6338-5970 Alvin Orbaek White Alvin Orbaek White true false 6ae369618efc7424d9774377536ea519 0000-0001-8728-8083 Richard Palmer Richard Palmer true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false cbd843daab780bb55698a3daccd74df8 0000-0002-1207-2314 Enrico Andreoli Enrico Andreoli true false 2020-09-03 CHEG A new and environmentally friendly non-caustic route to synthesize ultramicroporous carbon spheres (CS) via a simple one-step non-catalytic and activation-free chemical vapor deposition (CVD) method is described. The CVD method was applied at different temperatures, 600-900 °C; 800 °C was identified as the optimum for CS formation using a safe solid feedstock. The proposed method is suitable for large-scale adoption since high pyrolysis temperatures are already used in multi-million-ton industries such as that of carbon black production. Specific surface area and total pore volume were influenced by the deposition temperature, leading to an appreciable change in overall capture capacity. The ultramicropores allow the effective interaction of the sorbent with CO2, resulting in high carbon capture capacity at both atmospheric and lower pressures. At atmospheric pressure, the highest CO2 adsorption capacities were ca. 4.0 mmol.g-1 and 2.9 mmol.g-1 at 0 °C and 25 °C, respectively, for the best CS. At lower pressure, 0.15 bar, the CO2 adsorption capacities were 2.0 mmol.g-1 and 1.1 mmol.g-1, again at 0 °C and 25 °C. The CS showed good sorption/desorption cyclability, ease of regeneration, favorable selectivity over N2 of 30:1 at 25 °C, and rapid kinetics. Journal Article Carbon 171 426 436 Elsevier BV 0008-6223 Carbon spheres, Ultramicripores, CVD, Green, CO2 capture 1 1 2021 2021-01-01 10.1016/j.carbon.2020.08.056 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2021-09-18T07:54:39.2668566 2020-09-03T11:11:56.6297210 College of Engineering Engineering Saeid Khodabakhshi 1 Sajad Kiani 2 Yubiao Niu 3 Alvin Orbaek White 0000-0001-6338-5970 4 Wafa Suwaileh 5 Richard Palmer 0000-0001-8728-8083 6 Andrew Barron 0000-0002-2018-8288 7 Enrico Andreoli 0000-0002-1207-2314 8 55116__18108__7e41f3b4b3a24237ac79725621fe6eb8.pdf 55116.pdf 2020-09-03T11:13:46.1528582 Output 1532205 application/pdf Accepted Manuscript true 2021-09-01T00:00:00.0000000 ©2020 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method
spellingShingle Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method
Saeid, Khodabakhshi
Sajad, Kiani
Yubiao, Niu
Alvin, Orbaek White
Richard, Palmer
Andrew, Barron
Enrico, Andreoli
title_short Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method
title_full Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method
title_fullStr Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method
title_full_unstemmed Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method
title_sort Facile and environmentally friendly synthesis of ultramicroporous carbon spheres: A significant improvement in CVD method
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author_id_fullname_str_mv 547fd5929a2fd30733277eca799fbf9b_***_Saeid, Khodabakhshi
fe9ec46699e095368faf2a0465b598c5_***_Sajad, Kiani
c403a40f2acf2dc32e37b4555d19b4c0_***_Yubiao, Niu
8414a23650d4403fdfe1a735dbd2e24e_***_Alvin, Orbaek White
6ae369618efc7424d9774377536ea519_***_Richard, Palmer
92e452f20936d688d36f91c78574241d_***_Andrew, Barron
cbd843daab780bb55698a3daccd74df8_***_Enrico, Andreoli
author Saeid, Khodabakhshi
Sajad, Kiani
Yubiao, Niu
Alvin, Orbaek White
Richard, Palmer
Andrew, Barron
Enrico, Andreoli
author2 Saeid Khodabakhshi
Sajad Kiani
Yubiao Niu
Alvin Orbaek White
Wafa Suwaileh
Richard Palmer
Andrew Barron
Enrico Andreoli
format Journal article
container_title Carbon
container_volume 171
container_start_page 426
publishDate 2021
institution Swansea University
issn 0008-6223
doi_str_mv 10.1016/j.carbon.2020.08.056
publisher Elsevier BV
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
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description A new and environmentally friendly non-caustic route to synthesize ultramicroporous carbon spheres (CS) via a simple one-step non-catalytic and activation-free chemical vapor deposition (CVD) method is described. The CVD method was applied at different temperatures, 600-900 °C; 800 °C was identified as the optimum for CS formation using a safe solid feedstock. The proposed method is suitable for large-scale adoption since high pyrolysis temperatures are already used in multi-million-ton industries such as that of carbon black production. Specific surface area and total pore volume were influenced by the deposition temperature, leading to an appreciable change in overall capture capacity. The ultramicropores allow the effective interaction of the sorbent with CO2, resulting in high carbon capture capacity at both atmospheric and lower pressures. At atmospheric pressure, the highest CO2 adsorption capacities were ca. 4.0 mmol.g-1 and 2.9 mmol.g-1 at 0 °C and 25 °C, respectively, for the best CS. At lower pressure, 0.15 bar, the CO2 adsorption capacities were 2.0 mmol.g-1 and 1.1 mmol.g-1, again at 0 °C and 25 °C. The CS showed good sorption/desorption cyclability, ease of regeneration, favorable selectivity over N2 of 30:1 at 25 °C, and rapid kinetics.
published_date 2021-01-01T04:11:54Z
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