| Molecular Sieves |
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Application Overview Molecular sieves are used in a diverse range of industrial applications from desiccants to catalyst supports. They are porous materials with a well-defined pore size, and include zeolites and activated carbons.The IGA Series has been extensively used in both industrial and academic laboratories to characterise these types of materials. The gravimetric technique is used, which allows a quantified sample degassing procedure, versatile experimental set-up and pore size analysis using selective probes. The types of studies that can be performed include:
Most of the IGA gravimetric analyser series can be used for the study of molecular sieving materials. The IGA-001 for single component gas sorption, the IGA-002 for single component vapours, the IGA-003 for flowing gas and multi-component sorption, and the IGA-200 for multicomponent gas and vapour sorption measurement. Examples of published data measured using Hiden Isochema instrumentation can be found in the reference list below. References [1] Water Dynamics in Na Zeolite P [2] Adsorption of Gases and Vapours on Carbon Molecular Sieves [3] Adsorption of Gases on Carbon Molecular Sieves used for Air Separation. Spherical Adsorptives as Probes for Kinetic Selectivity [4] Diffusion Barriers in the Kinetics of Water Vapor Adsorption/Desorption on Activated Carbons [5] Adsorption of Gases on a Carbon Molecular Sieve Used for Air Separation: Linear Adsorptives as Probes for Kinetic Selectivity [6] Adsorption Studies of Methane, Ethane, and Argon in the Zeolite Mordenite: Molecular Simulations and Experiments [7] Single and Mixed Gas Adsorption Equilibria of Carbon Dioxide/Methane on Activated Carbon [8] Compensation Effect for the Kinetics of Adsorption/Desorption of Gases/Vapors on Microporous Carbon Materials [9] Transport and Sorption of Water in Activated Carbon [10] Development in Adsorbents for Respiratory Protection [11] Adsorption Kinetics and Size Exclusion Properties of Probe Molecules for the Selective Porosity in a Carbon Molecular Sieve used for Air Separation [12] Multicomponent Vapor Sorption on Active Carbon by Combined Microgravimetry and Dynamic Sampling Mass Spectrometry [13] Use of Carbon Fibre Composite Molecular Sieves for Air Separation [14] Kinetic Isotope Effect for H2 and D2 Quantum Molecular Sieving in Adsorption/Desorption on Porous Carbon Materials [15] Adsorption and Desorption Kinetics for Hydrophilic and Hydrophobic Vapors on Activated Carbon [16] Competitive Adsorption of a Benzene-Toluene Mixture on Activated Carbons at Low Concentration
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