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Isosteric heat of hydrogen adsorption on MOFs: comparison between adsorption calorimetry, sorption isosteric method, and analytical models [PDF]
Applied Physics A: Materials Science and Processing, 2015 Isosteric heat of adsorption is an important parameter required to describe the thermal performance of adsorptive storage systems. It is most frequently calculated from adsorption isotherms measured over wide ranges of pressure and temperature, using the so-called adsorption isosteric method.
Hyunchul Oh +2 more
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On the isosteric heat of adsorption of non-polar and polar fluids on highly graphitized carbon black [PDF]
Journal of Colloid and Interface Science, 2015 Isosteric heat of adsorption is indispensable in probing the energetic behavior of interaction between adsorbate and solid, and it can shed insight into how molecules interact with a solid by studying the dependence of isosteric heat on loading.
J Rafael Alcántara Avila +2 more
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Isosteric Heat of Adsorption: Theory and Experiment
The Journal of Physical Chemistry B, 1999The isosteric heats of adsorption of the components of a gas mixture are critical variables for design of adsorbers for gas separation. They can be unambiguously defined by the Gibbsian Surface Excess (GSE) model of multicomponent adsorption. These variables can be experimentally measured by multicomponent differential calorimetry (MDC) and directly ...
S, Sircar, R, Mohr, C, Ristic, M B, Rao
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Isosteric Heats of Gas and Liquid Adsorption
Langmuir, 2013The heat of adsorption is an indicator of the strength of the interaction between an adsorbate and a solid adsorbent. This parameter can be determined from the heat released in calorimetric experiments or from the analysis of adsorption isotherms at different temperatures.
Santiago, Builes +2 more
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Isosteric heat of adsorption for repulsive interactions
Surface Science Letters, 1991Abstract The isosteric heat of adsorption of particles with repulsive nearest-neighbour interactions on a square lattice is calculated using the transfer matrix method. A significant diminution of enhancement of this repulsion is observed around half-coverage and at temperatures below and near the order-disorder transition.
S.H. Payne, H.J. Kreuzer, L.D. Roelofs
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The isosteric heat of adsorption on heterogeneous surfaces
Journal of Colloid and Interface Science, 1975Abstract A simulation of the adsorption of sorbate on a solid surface using the Langmuir isotherm for heterogeneous surfaces has been carried out in order to explain the less common shapes of the dependences of isosteric heat of adsorption upon surface coverage, experimentally observed for the adsorption of aliphatic amines on alumina.
Josef Koubek, Josef Pašek, Jiří Volf
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Comparison of Experimental Techniques for Measuring Isosteric Heat of Adsorption
Adsorption, 2000Experimental measurements of heats of adsorption published in the literature are often in disagreement; differences of 10-20% are common. The three most widely used experimental methods are: (1) differentiation of adsorption isotherms at constant loading; (2) measurement of adsorption isosteres; (3) calorimetry. Results from these methods were compared
Shen, Dongmin +4 more
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Gaseous adsorption of hexamethyldisiloxane on carbons: Isotherms, isosteric heats and kinetics
Chemosphere, 2020Volatile methylsiloxanes (VMS) are a special kind of impurity that exist in biogas and seriously hamper its utilization; therefore, their removal has attracted great attention in recent years. Adsorption is the only technology that is currently capable of industrial-scale removal of VMS.
Gang Wang +5 more
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