By Diana Iruretagoyena Ferrer
ISBN-10: 3319412752
ISBN-13: 9783319412757
ISBN-10: 3319412760
ISBN-13: 9783319412764
This thesis offers a mixture of fabric synthesis and characterization with technique modeling. In it, the CO2 adsorption homes of hydrotalcites are stronger during the construction of novel supported hybrids (carbon nanotubes and graphene oxide) and the promoting with alkali metals. Hydrogen is thought of as a sustainable strength service, because the finish clients produce no carbon emissions. even though, on condition that lots of the hydrogen produced all over the world comes from fossil fuels, its capability as a carbon-free substitute is dependent upon the power to catch the carbon dioxide published in the course of manufacture. Sorption-enhanced hydrogen construction, during which CO2 is got rid of because it is shaped, could make an enormous contribution to attaining this. The problem is to discover good adsorbents with enough CO2 means that may paintings within the correct temperature window over repeated adsorption-desorption cycles. The booklet provides a hugely targeted characterization of the fabrics, including a correct size in their adsorption houses below dry stipulations and within the presence of steam. It demonstrates that even small amounts of graphene oxide offer enhanced thermal balance to hydrotalcites as a result of their appropriate layered constitution, making them like minded as volume-efficient adsorbents for CO2. finally, it identifies appropriate catalysts for the general sorption-enhanced water fuel shift process.
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Extra resources for Supported Layered Double Hydroxides as CO2 Adsorbents for Sorption-enhanced H2 Production
Example text
Isosteric heats of adsorption . . . . . . . . . Composition of the as-synthesised adsorbents . . . Crystallite size of the as-synthesised and activated adsorbents . . . . . . . . . . . . . . . Textural properties of as-synthesised and activated adsorbents . . . . . . . . . . . . . . . Density of basic sites: CO2-TPD. . . . . . . . 9) . . . . . . . First-contact adsorption capacities of the adsorbents from TGA at 573 K and PCO2 = 200 mbar .
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US 7,527,781 B2. , & Alpay, E. (2000). Equilibria and kinetics of CO2 adsorption on hydrotalcite adsorbent. Chemical Engineering Science, 55(17), 3461–3474. , Cobden, P. , Elzinga, G. , Haije, W. , & van den Brink, R. W. (2008). The crucial role of the K+–aluminium oxide interaction in K+-promoted aluminaand hydrotalcite-based materials for CO2 sorption at high temperatures. ChemSusChem, 1(7), 643–650. van Selow, E. , Cobden, P. , Verbraeken, P. , Hufton, J. , & van den Brink, R. W. (2009). Carbon capture by sorption-enhanced water–Gas shift reaction process using hydrotalcite-based material.
Supported Layered Double Hydroxides as CO2 Adsorbents for Sorption-enhanced H2 Production by Diana Iruretagoyena Ferrer
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