Experimental Study on the Effect of SDS and Micron Copper Particles Mixture on Carbon Dioxide Hydrates Formation

Yan Li, Alberto Maria Gambelli () and Federico Rossi
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Yan Li: CAS Key Laboratory of Experimental Study under Deep-Sea Extreme Conditions, Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya 572029, China
Alberto Maria Gambelli: Engineering Department, University of Perugia, Via G. Duranti 93, 06125 Perugia, Italy
Federico Rossi: Engineering Department, University of Perugia, Via G. Duranti 93, 06125 Perugia, Italy

Energies, 2022, vol. 15, issue 18, 1-16

Abstract: CO 2 hydrate formation and dissociation are the fundamental processes for investigating hydrate-based carbon storage. To better understand CO 2 hydrate phase behaviors in the presence of surfactant and solid additives, this study reports the effects of Sodium Dodecyl Sulfate (SDS) and micron Cu particles on the formation of CO 2 hydrates in the presence of porous quartz sands in a lab-scale reactor. This research is part of a wider study focused on defining the properties of solid additives, produced via gas-atomization, on the formation and dissociation of gas hydrates. The morphology of CO 2 hydrate formed in SDS solution shows dispersed crystal particles due to the increase of surface tension. SDS works as the kinetic promoter on CO 2 hydrates formation whereas the addition of Cu particles inhibits CO 2 gas consumption. The mixture additives show a faint kinetic inhibit effect, in which the Brownian motion restrictions may be responsible for the inhibition of CO 2 hydrate production. The solid additives also showed a weak thermodynamic effect on CO 2 hydrate phase equilibrium.

Keywords: carbon dioxide hydrates; solid additives; kinetic promoter; SDS; micron Cu particles (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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