Impacts of nickel nanoparticles on mineral carbonation
This work presents experimental results regarding the use of pure nickel nanoparticles (NiNP) as a mineral carbonation additive. The aim was to confirm if the catalytic effect of NiNP, which has been reported to increase the dissolution of CO2 and the dissociation of carbonic acid in water, is capab...
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Hindawi Publishing Corporation
2014
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ftunivleuven:oai:lirias.kuleuven.be:123456789/423470 2023-05-15T15:52:31+02:00 Impacts of nickel nanoparticles on mineral carbonation Bodor, Marius Santos, Rafael Chiang, Yi Wai Vlad, Maria Van Gerven, Tom 2014-01-22 https://lirias.kuleuven.be/handle/123456789/423470 http://www.hindawi.com/journals/tswj/aip/921974/ https://doi.org/10.1155/2014/921974 https://lirias.kuleuven.be/bitstream/123456789/423470/4//Bodor2014_TSWJ.pdf en eng Hindawi Publishing Corporation The Scientific World Journal vol:2014 issue:921974 pages:1-10 https://lirias.kuleuven.be/handle/123456789/423470 1537-744X http://www.hindawi.com/journals/tswj/aip/921974/ doi:10.1155/2014/921974 https://lirias.kuleuven.be/bitstream/123456789/423470/4//Bodor2014_TSWJ.pdf 257504;public nickel nanoparticles mineral carbonation steelmaking slags catalytic additive carbonic acid Article IT 257504;Article 2014 ftunivleuven https://doi.org/10.1155/2014/921974 2016-02-10T20:55:27Z This work presents experimental results regarding the use of pure nickel nanoparticles (NiNP) as a mineral carbonation additive. The aim was to confirm if the catalytic effect of NiNP, which has been reported to increase the dissolution of CO2 and the dissociation of carbonic acid in water, is capable of accelerating mineral carbonation processes. The impacts of NiNP on the CO2 mineralization by four alkaline materials (pure CaO and MgO, and AOD and CC steelmaking slags), on the product mineralogy, on the particle size distribution, and on the morphology of resulting materials, were investigated. NiNP-containing solution was found to reach more acidic pH values upon CO2 bubbling, confirming a higher quantity of bicarbonate ions. This effect resulted in acceleration of mineral carbonation in the first fifteen minutes of reaction time when NiNP was present. After this initial stage, however, no benefit of NiNP addition was seen, resulting in very similar carbonation extents after one hour of reaction time. It was also found that increasing solids content decreased the benefit of NiNP, even in the early stages. These results suggest that NiNP has little contribution to mineral carbonation processes when the dissolution of alkaline earth metals is rate limiting. status: published Article in Journal/Newspaper Carbonic acid KU Leuven: Lirias The Scientific World Journal 2014 1 10 |
institution |
Open Polar |
collection |
KU Leuven: Lirias |
op_collection_id |
ftunivleuven |
language |
English |
topic |
nickel nanoparticles mineral carbonation steelmaking slags catalytic additive carbonic acid |
spellingShingle |
nickel nanoparticles mineral carbonation steelmaking slags catalytic additive carbonic acid Bodor, Marius Santos, Rafael Chiang, Yi Wai Vlad, Maria Van Gerven, Tom Impacts of nickel nanoparticles on mineral carbonation |
topic_facet |
nickel nanoparticles mineral carbonation steelmaking slags catalytic additive carbonic acid |
description |
This work presents experimental results regarding the use of pure nickel nanoparticles (NiNP) as a mineral carbonation additive. The aim was to confirm if the catalytic effect of NiNP, which has been reported to increase the dissolution of CO2 and the dissociation of carbonic acid in water, is capable of accelerating mineral carbonation processes. The impacts of NiNP on the CO2 mineralization by four alkaline materials (pure CaO and MgO, and AOD and CC steelmaking slags), on the product mineralogy, on the particle size distribution, and on the morphology of resulting materials, were investigated. NiNP-containing solution was found to reach more acidic pH values upon CO2 bubbling, confirming a higher quantity of bicarbonate ions. This effect resulted in acceleration of mineral carbonation in the first fifteen minutes of reaction time when NiNP was present. After this initial stage, however, no benefit of NiNP addition was seen, resulting in very similar carbonation extents after one hour of reaction time. It was also found that increasing solids content decreased the benefit of NiNP, even in the early stages. These results suggest that NiNP has little contribution to mineral carbonation processes when the dissolution of alkaline earth metals is rate limiting. status: published |
format |
Article in Journal/Newspaper |
author |
Bodor, Marius Santos, Rafael Chiang, Yi Wai Vlad, Maria Van Gerven, Tom |
author_facet |
Bodor, Marius Santos, Rafael Chiang, Yi Wai Vlad, Maria Van Gerven, Tom |
author_sort |
Bodor, Marius |
title |
Impacts of nickel nanoparticles on mineral carbonation |
title_short |
Impacts of nickel nanoparticles on mineral carbonation |
title_full |
Impacts of nickel nanoparticles on mineral carbonation |
title_fullStr |
Impacts of nickel nanoparticles on mineral carbonation |
title_full_unstemmed |
Impacts of nickel nanoparticles on mineral carbonation |
title_sort |
impacts of nickel nanoparticles on mineral carbonation |
publisher |
Hindawi Publishing Corporation |
publishDate |
2014 |
url |
https://lirias.kuleuven.be/handle/123456789/423470 http://www.hindawi.com/journals/tswj/aip/921974/ https://doi.org/10.1155/2014/921974 https://lirias.kuleuven.be/bitstream/123456789/423470/4//Bodor2014_TSWJ.pdf |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_relation |
The Scientific World Journal vol:2014 issue:921974 pages:1-10 https://lirias.kuleuven.be/handle/123456789/423470 1537-744X http://www.hindawi.com/journals/tswj/aip/921974/ doi:10.1155/2014/921974 https://lirias.kuleuven.be/bitstream/123456789/423470/4//Bodor2014_TSWJ.pdf |
op_rights |
257504;public |
op_doi |
https://doi.org/10.1155/2014/921974 |
container_title |
The Scientific World Journal |
container_volume |
2014 |
container_start_page |
1 |
op_container_end_page |
10 |
_version_ |
1766387676112486400 |