Abstract

This research combines experimental and computational techniques to investigate the Ca(OH)2–H2O system to elucidate the properties of Ca(OH)2 focusing on morphological and dimensional crystal changes.

AFM images taken under controlled conditions highlighted the dissolution mechanism of nano-sized crystals of portlandite. Ab-initio computational data for the adsorption of H2O on portlandite surfaces were developed considering the experimental results.

Results demonstrated the ease of calcium surface ion removal from prismatic faces. These are of great importance for a number of materials used in environmental and industrial applications such as ex-situ CO2 capture and storage, and scrubbing procedures of municipal solid waste incinerators.
Original languageEnglish
Publication statusUnpublished - 22 Jun 2016
EventEuro AFM Forum - Ecole de physique, University of Geneva, Geneva, Switzerland
Duration: 22 Jun 201624 Jun 2016

Conference

ConferenceEuro AFM Forum
CountrySwitzerland
CityGeneva
Period22/06/1624/06/16

Fingerprint

Dissolution
Crystals
Refuse incinerators
Municipal solid waste
Industrial applications
Ions
Calcium
Adsorption

Keywords

  • AFM

Cite this

Pesce, G., Molinari, M., Grant, R., Parker, S., & Ball, R. (2016). Experimental and computational study of the dissolution mechanism of Portlandite nano-crystals. Paper presented at Euro AFM Forum , Geneva, Switzerland.

Experimental and computational study of the dissolution mechanism of Portlandite nano-crystals. / Pesce, Giovanni; Molinari, Marco; Grant, Robert; Parker, Stephen; Ball, Richard.

2016. Paper presented at Euro AFM Forum , Geneva, Switzerland.

Research output: Contribution to conferencePaper

Pesce, G, Molinari, M, Grant, R, Parker, S & Ball, R 2016, 'Experimental and computational study of the dissolution mechanism of Portlandite nano-crystals' Paper presented at Euro AFM Forum , Geneva, Switzerland, 22/06/16 - 24/06/16, .
Pesce G, Molinari M, Grant R, Parker S, Ball R. Experimental and computational study of the dissolution mechanism of Portlandite nano-crystals. 2016. Paper presented at Euro AFM Forum , Geneva, Switzerland.
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AB - This research combines experimental and computational techniques to investigate the Ca(OH)2–H2O system to elucidate the properties of Ca(OH)2 focusing on morphological and dimensional crystal changes.AFM images taken under controlled conditions highlighted the dissolution mechanism of nano-sized crystals of portlandite. Ab-initio computational data for the adsorption of H2O on portlandite surfaces were developed considering the experimental results.Results demonstrated the ease of calcium surface ion removal from prismatic faces. These are of great importance for a number of materials used in environmental and industrial applications such as ex-situ CO2 capture and storage, and scrubbing procedures of municipal solid waste incinerators.

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