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Gas Chromatographic Separation of Linear Hydrocarbons on Microporous Organo-Smectites

Published online by Cambridge University Press:  28 February 2024

Hongbai Lao  and
Christian Detellier
Hongbai Lao
Affiliation:
Ottawa-Carleton Chemistry Institute, Department of Chemistry, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
Christian Detellier
Affiliation:
Ottawa-Carleton Chemistry Institute, Department of Chemistry, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
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Abstract

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A series of organo-montmorillonites and organo-hectorites was prepared by complete ion-exchange from the pure sodium form of the parent smectites. The organic cations were tetramethylammonium, trimethylated quaternary ammonium derivatives of the lysine and of the ornithine methyl esters, quaternarized polyammonium cations, or tetraphenylphosphonium (TPP). These organo-smectites were used as packing material for gas chromatography columns. Mixtures of light hydrocarbons (methane to n-butane; “C1” to “C4”) could be separated. The degree of separation depends on the presence of micropores or of organophilic mesopores. The BET surface area, the micropore and mesopore volumes, as well as the size distribution of micropores and mesopores were measured for several systems. As a general trend, the retention times of the light hydrocarbons decrease with an increase of the micropore volume. In the case of TPP-montmorillonite, characterized by a large mesopore volume but for which no microporosity could be detected, separation of longer linear hydrocarbons (n-pentane to n-octane) could also be achieved.

Keywords

Gas chromatographyGas separationHectoriteHydrocarbonsMesoporosityMicroporosityMontmorilloniteOrgano-claysSmectites
Type
Research Article
Information
Clays and Clay Minerals , Volume 42 , Issue 4 , August 1994 , pp. 477 - 481
Copyright
Copyright © 1994, Clay Minerals Society

References

Baksh, M. S. A., and Yang, R. T., (1991) Chromatographic separations by pillared clay: Sep. Sci. Technol. 26, 1377–1394.CrossRefGoogle Scholar
Barrer, R. M., (1978) Zeolites and Clay Minerals as Sorbents and Molecular Sieves: Academic Press, London.Google Scholar
Barrer, R. M., and Hampton, M. G., (1957) Gas chromatography and mixture isotherms in alkylammonium bentonites: Trans. Faraday Soc. 53, 1462–1475.CrossRefGoogle Scholar
Chuckwunenye, C., and McAtee, J. L. Jr. 1987() Organomodified smectite for the gas chromatographic separation of various compounds: J. Chromatog. 410, 121–128.CrossRefGoogle Scholar
Cotterman, R. L., Hickson, D. A., Cartlidge, S., Dybowski, C., Tsiao, C., and Venero, A. F., (1991) Characterization of dealuminated zeolites using 129Xe NMR spectrometry and low-pressure argon adsorption: Zeolites 11, 27–34.CrossRefGoogle Scholar
Cowan, C. T., and Hartwell, J. M., (1962) Organo-clay complex for the separation of isomeric dichlorobenzenes using gas chromatography: Nature 190, 712.CrossRefGoogle Scholar
Datar, D., and Ramanathan, P. S., (1975) Gas-solid chromatographic studies using beryl as adsorbent: J. Chromatog. 106, 428–434.CrossRefGoogle Scholar
Fuchs, D., (1972) Organic derivatives of Hungarian bentonites in hydrocarbon analysis: J. Chromatog, 65, 219–225.CrossRefGoogle Scholar
Gregg, S. J., and Sing, K. S. W., (1982) Adsorption, Surface Area and Porosity: 2nd ed., Academic Press, London.Google Scholar
Ilinitch, O. M., Semin, G. L., Chetova, M. V., and Zamaraev, K. I., (1992) Novel polymeric membranes for separation of hydrocarbons: J. Membr. Sci. 66, 1–8.CrossRefGoogle Scholar
Jaynes, W. F., and Bigham, J. M., (1987) Charge reduction, octahedral charge, and lithium retention in heated, Li-saturated smectites: Clays & Clay Minerals 35, 440–448.CrossRefGoogle Scholar
Knust, E. J., and Schüller, M., (1975) Gas chromatographic separation of mono- and disubstituted benzene derivatives and of diastereoisomeric halogenoalkanes with Bentone-38: J. Chromatog. 114, 207–210.CrossRefGoogle Scholar
Lao, H., Latieule, S., and Detellier, C., (1991) Molecular recognition in microporous organo-minerals. Shape-specific interaction of carbon dioxide in functionalized organomontmorillonite microcavities: Chem. Mater. 3, 1009–1011.CrossRefGoogle Scholar
Latieule, S., (1991) Intercalation de dérivés d'acides aminés dans la montmorillonite: M.Sc. thesis, University of Ottawa, Ottawa, Canada.Google Scholar
McAtee, J. L., and Harris, B. R., (1977) Gas chromatographic pathways for certain chloro-alkylammonium montmorillonites: Clays/Clay Minerals 25, 90–93.Google Scholar
Mortimer, J. V., and Gent, P. L., (1963) The use of organoclays as gas chromatographic stationary phases: Anal. Chem. 26, 754–756.Google Scholar
Occelli, M. L., and Finseth, D. H., (1986) Preparation and characterization of pillared hectorite catalysts: J. Catal. 99, 316–326.CrossRefGoogle Scholar
Occelli, M. L., Landau, S. D., and Pinnavaia, T. J., (1984) Cracking selectivity of a delaminated clay catalyst: J. Catal. 90, 256–260.CrossRefGoogle Scholar
Thielmann, V. J., (1978) Comparison of gas-solid chromatography properties of tris(ethylenediamine)chromium(II) cation-exchanged montmorillonite, hectorite and attapulgite: J. Chromatog. 147, 408–410.CrossRefGoogle Scholar
Thielmann, V. J., and McAtee, J. L., (1975) Gas chromatographic behavior of metal-tris(ethylenediamine) complex cation-exchanged montmorillonites: J. Chromatog. 105, 115–123.CrossRefGoogle Scholar
Villemure, G., (1990) Effect of negative surface-charge densities of smectite clays on the adsorption isotherms of racemic and enantiomeric tris (2,2'-bipyridyl) ruthenium(II) chloride: Clays & Clay Minerals 38, 623–630.CrossRefGoogle Scholar
Villemure, G., Kodama, H., and Detellier, C., (1985) Photoreduction of water by visible light in the presence of montmorillonite: Can. J. Chem. 63, 1139–1142.CrossRefGoogle Scholar
Webb, S. W., and Conner, W. C., (1991) Sorption of gases on microporous solids: Pore size characterization by gas sorption: in Studies in Surface Science and Catalysis, Vol. 62, Characterization of Porous Solids II, Rodríguez-Reinoso, F., Rouquerol, J., Sing, K. S. W., and Unger, K. K., eds., Elsevier, Amsterdam.Google Scholar
White, D., (1957) Use of organic-montmorillonite compounds in gas chromatography: Nature 179, 1075–1076.CrossRefGoogle Scholar
Yang, R. T., (1987) Gas Separation by Adsorption Processes, Butterworth, Boston.Google Scholar
Yang, R. T., and Baksh, S. A., (1991) Pillared clays as a new class of sorbents for gas separation: AIChE J. 37, 679–686.CrossRefGoogle Scholar