Highly porous CO2 hydrate generation aided by silica nanoparticles for potential secure storage of CO2 and desalination

Ijung Kim; Michael Nole; Sunghyun Jang; Saebom Ko; Hugh Daigle; Gary A. Pope; Chun Huh

doi:10.1039/C6RA26366F

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Highly porous CO₂ hydrate generation aided by silica nanoparticles for potential secure storage of CO₂ and desalination†

Ijung Kim,

^a Michael Nole,^b Sunghyun Jang,^b Saebom Ko,^b Hugh Daigle,^b Gary A. Pope^b and Chun Huh*^b

Author affiliations

* Corresponding authors

^a Department of Civil and Environmental Engineering, Western New England University, 1215 Wilbraham Rd., Springfield, MA 01119, USA
E-mail: ijung.kim@wne.edu

^b Department of Petroleum and Geosystems Engineering, The University of Texas at Austin, 200 E. Dean Keeton St., Stop C0300, Austin, TX 78712, USA
E-mail: chunhuh@mail.utexas.edu

Abstract

We report a new way of storing CO₂ in a highly porous hydrate structure, stabilized by silica nanoparticles (NPs). Such a porous CO₂ hydrate structure was generated either by cooling down NP-stabilized CO₂-in-seawater foams, or by gently mixing CO₂ and seawater that contains silica NPs under CO₂ hydrate-generating conditions. With the highly porous structure, enhanced desalination was also achievable when the partial meltdown of CO₂ hydrate was allowed.

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Article information

DOI: https://doi.org/10.1039/C6RA26366F
Article type: Paper
Submitted: 05 Nov 2016
Accepted: 26 Jan 2017
First published: 31 Jan 2017
This article is Open Access

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RSC Adv., 2017,7, 9545-9550

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Highly porous CO₂ hydrate generation aided by silica nanoparticles for potential secure storage of CO₂ and desalination

I. Kim, M. Nole, S. Jang, S. Ko, H. Daigle, G. A. Pope and C. Huh, RSC Adv., 2017, 7, 9545 DOI: 10.1039/C6RA26366F

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