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Cold thermal storage has been widely used in air conditioning systems. For electric air conditioning, it helps to shift the peak load on electricity grids; for solar cooling, it enables cooling supply during solar outages. CO2 hydrate has been proposed as a cold storage medium for its suitable phase change temperature and large latent heat. Tetra-n-butyl ammonium bromide (TBAB) has been studied to...
The kinetic effects of N-butyl-N-methylpyrrolidinium bromide ([Py14]-Br) on the formation of CO2 gas hydrates were experimentally investigated. Both of the induction time of CO2 hydrates formation and the formation rates were investigated in the aqueous solutions of [Py14]-Br at different concentrations. Pressure and temperature changes versus time during the hydrate formation process were measured...
CO2 hydrate slurry can be used in a lot of practical applications such as CO2 capture, CO2 storage-transportation and CO2 sequestration processes. However, CO2 hydrate slurry is generally formed at low temperature and high pressure. The objectives of this study are to develop new absorbents to form CO2 hydrate at atmospheric pressure, and to evaluate the effects of surfactants and additives on the...
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