Nickel Nanoparticles for Enhancing Carbon Capture
Joint Authors
Bhaduri, Gaurav Ashok
Alamiry, Mohammed A. H.
Šiller, Lidija
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-11-05
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
Hydration reaction of CO2 is one of the rate limiting steps for CO2 absorption (in aqueous solutions) and aqueous CO2 mineralization.
The catalytic activity of nickel nanoparticles (NiNPs) for CO2 hydration is studied at different temperatures, pH, and low CO2 partial pressures to mimic the true flue gas conditions.
Results show that NiNPs can work as active catalyst for hydration of CO2 in applications such as CO2 separation and CO2 mineralization.
The NiNPs display optimum activity within 20–30°C and at pH value <8.
NiNPs show catalytic activity even at low CO2 partial pressures (12 vol%).
In 50 wt% K2CO3 solution, an enhancement of 77% is observed in the rate of CO2 absorption with NiNPs.
Commercially, CO2 saturated K2CO3 solutions are usually regenerated at 150°C; at these conditions, NiNPs show no considerable surface oxidation.
They still exhibit catalytic activity for hydration reaction of CO2.
CO2 absorption and mineralization (as CaCO3) in DI water are three times higher in presence of NiNPs.
Calcite (CaCO3) particles precipitated in presence of NiNPs are spherical in morphology.
American Psychological Association (APA)
Bhaduri, Gaurav Ashok& Alamiry, Mohammed A. H.& Šiller, Lidija. 2015. Nickel Nanoparticles for Enhancing Carbon Capture. Journal of Nanomaterials،Vol. 2015, no. 2015, pp.1-13.
https://search.emarefa.net/detail/BIM-1069149
Modern Language Association (MLA)
Bhaduri, Gaurav Ashok…[et al.]. Nickel Nanoparticles for Enhancing Carbon Capture. Journal of Nanomaterials No. 2015 (2015), pp.1-13.
https://search.emarefa.net/detail/BIM-1069149
American Medical Association (AMA)
Bhaduri, Gaurav Ashok& Alamiry, Mohammed A. H.& Šiller, Lidija. Nickel Nanoparticles for Enhancing Carbon Capture. Journal of Nanomaterials. 2015. Vol. 2015, no. 2015, pp.1-13.
https://search.emarefa.net/detail/BIM-1069149
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1069149