Parameter Screening Study for Optimizing the Static Properties of Nanoparticle-Stabilized CO2 Foam Based on Orthogonal Experimental Design

ACS Omega
Dongxing DuTao Li

Abstract

Nanoparticle (NP)-stabilized foam technology has found potential applications in CO2 enhanced oil recovery (EOR) and greenhouse gas geological storage practices and accordingly attracts lots of research interest. To screen the optimal formula for the satisfactory foam performance, orthogonal experimental design (OED) is used in this paper for the complex multifactor multilevel system consisting of five influential factors of NP size, surfactant concentration, NP concentration, temperature, and salinity at four different levels in the range of 7-40 nm, 0-0.15 wt %, 0-0.2 wt %, 25-55 °C, and 0-3 wt %, respectively. Based on the orthogonal principle, only 16 experiments were performed to analyze the effect of various factors on the foam height and foam half-life properties. In addition to showing that the influence of the single factor on foam static properties, OED results reveal that the surfactant concentration and temperature are dominating factors on foamability and stability of the NP-stabilized CO2 foam, respectively. Finally, NP-stabilized CO2 foam with satisfactory static characteristics is obtained with the OED recommended composition of a 0.15 wt % surfactant concentration, 0.1 wt % NP concentration, and NP size of 7 nm...Continue Reading

References

May 1, 1999·Journal of Colloid and Interface Science·S I Kam, W R Rossen
May 27, 2006·Journal of Colloid and Interface Science·Lok Kumar ShresthaHironobu Kunieda
Oct 2, 2007·Advances in Colloid and Interface Science·Timothy N HunterGraeme J Jameson
Nov 3, 2012·Journal of Colloid and Interface Science·Andrew J WorthenKeith P Johnston
Aug 12, 2014·Advances in Colloid and Interface Science·Mahshid FirouziAnh V Nguyen
Oct 17, 2017·Journal of Colloid and Interface Science·Zuhair A AlYousefDavid S Schechter

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Methods Mentioned

BETA
transmission electron microscopy
chemical treatment

Software Mentioned

Orthogonality Experimental Assistant ”
Sharetop Software Studio

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