Experimental and modeling investigation on structure H hydrate formation kinetics

Experimental and modeling investigation on mixed carbon dioxide–tetrahydrofuran hydrate formation kinetics in isothermal and isochoric systems

“…The chemical affinity model has been described extensively in several modeling investigations [12][13][14][15]. In this work, the important parts of this model are demonstrated.…”

“…Gas hydrate formation process is complex and stochastic and it is useful to use a kinetic model to study this process. Based on the driving forces considered for the hydrate formation process, for instance, temperature difference [4], concentration difference [5], fugacity difference [6], etc., various kinetic models can be used for the description of the hydrate formation rate, such as semi-empirical models based on the gas consumption rate [7,8], the mass and heat transfer based models [9,10], the hydrate growth based models [11] and the models based on thermodynamics such as chemical affinity [12][13][14][15].…”

Methane and hydrogen storage in clathrate hydrates

“…Furthermore, the lower polarity induced by the THPs with fewer (O) leads to minimal lattice distortion [259]. Besides, sI and sII, CH4 has the capability to form sH hydrates with larger guest molecules like methyl cyclohexane, 2,2 dimethyl butane, 4-methyl-1,3-Dioxane, cyclooctane, cycloheptane, and cycloheptanone, tertiary butyl methyl ether (TBME) [96,[260][261][262][263][264][265]. Despite the potential to achieve a maximum theoretical CH4 storage capacity of 11.87 wt.%, which includes one of the THP in large cages (5 12 6 8 ), much of the research has not emphasized the application of these promoters due to concerns related to environmental hazards, solvent loss during multiple hydrate formation and dissociation cycles, and the associated high costs [266].…”