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Solidified Methane Storage Using an Efficient Class of Anionic Surfactants under Dynamic and Static Conditions: An Experimental and Computational Investigation by Abdolreza Farhadian; Ulukbek Zh. Mirzakimov; Matvei E. Semenov; Mina Maddah; Yulia F. Chirkova; Roman S. Pavelyev; Atousa Heydari; Sergei A. Nazarychev; Aleksandr M. Aimaletdinov; Mikhail A. Varfolomeev is a Engineering article available to read on EtoBox.
What is Solidified Methane Storage Using an Efficient Class of Anionic Surfactants under Dynamic and Static Conditions: An Experimental and Computational Investigation about?
Rapid hydrate formation and high storage capacity are two key parameters in commercializing hydrate-based solidified natural gas technology. Surfactants are known as the most effective additives to accelerate the kinetics of gas hydrate formation under different conditions. This research introduces an efficient class of anionic surfactants − carboxyl-sulfonated surfactant (CSS) − as gas hydrate promoters for the first time. To that end, CSSs with different alkyl chain lengths were synthesized, and their promotion effect on methane hydrate formation was evaluated in static and dynamic conditions. Those CSSs with 10 carbon atoms provided a maximum conversion of 88.4% at 500 ppm, higher than that of sodium dodecyl sulfate (87.9%). However, those with 12 carbon atoms were selected as the optimal promoter in terms of kinetic constants. The results of a high-pressure autoclave experiments revealed that the hydrophilic−hydrophobic balance of CSSs strongly affected their promotional activity. CSSs with a short alkyl chain had lower promotion efficiency as they could not increase the solubility of gas in water, especially under static conditions. Additionally, molecular dynamic simulations
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It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Abdolreza Farhadian; Ulukbek Zh. Mirzakimov; Matvei E. Semenov; Mina Maddah; Yulia F. Chirkova; Roman S. Pavelyev; Atousa Heydari; Sergei A. Nazarychev; Aleksandr M. Aimaletdinov; Mikhail A. Varfolomeev
- Publisher
- American Chemical Society (ACS)
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)