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Methane/water Adsorption Properties of Synthetic Imogolite Nanotubes

  • Fumihiko Ohashi (a1), Shinji Tomura (a1) and Shin-Ichiro Wada (a2)

Abstract

Aluminosilicate nanotubes (imogolite) have been synthesized from highly concentrated inorganic solutions by hydrothermal treatment. These can be converted to microporous nanofibers with a pore radius in the range of 0.3-0.6 nm referring to the results from the nitrogen adsorption isotherm. The water vapor adsorption isotherms indicated that the natural imogolite plotted a proportional isothermal curve where the amount of adsorbed water increased in proportion to P/P0: the maximum amount of adsorbed water was ca. 60 wt%. The synthetic imogolite showed a rapid increase at 0.9-0.95 range of P/P0 and achieved a maximum of ca. 80 wt%, with a better methane storage property than that of the usual compressed natural gas storage. In order to obtain a high ratio of water adsorption and a large methane storage capacity, it is necessary to control the micro/meso porous structure and the hydrophilic/hydrophobic surface affinity. It is expected that the synthetic imogolite might become a multipurpose adsorbent.

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1 Cradwick, P. D. G., Farmer, V. C., Russell, J. D., Masson, C. R., Wada, K. and Yoshinaga, N., Nature Phys. Sci., 240, 187 (1972).
2 Wada, K. and Yoshinaga, N., Amer. Miner., 54, 1969 (1969).
3 Yoshinaga, N. and Aomine, S., Soil Sci. Plant Nutr.,8, 22 (1962).
4 Henmi, T. and Wada, K., Clay Miner., 10, 231 (1974).
5 Russell, J. D., McHardy, W. J. and Fraser, A. R., Clay Miner., 8, 87 (1969).
6 Gaast, S. J., Wada, K., Wada, S-I., and Kakuto, Y., Clays Clay Mimer. 33, 237 (1985).
7 Farmer, V. C., Fraser, A. R. and Tait, J. M., J. Chem. Soc. Chem. Commun., 462 (1977).
8 Farmer, V. C., Adams, M. J., Fraser, A. R. and Palmieri, F., Clay Miner., 18, 459 (1983).
9 Iijima, S., Nature, 354, 56 (1991).
10 Chopra, N. G., Luyken, R. J., Cherry, K., Crespi, V. H., Cohen, M. L., Louie, S. G. and Zettl, A., Science, 269, 966 (1995).
11 Satishkumar, B. C., Govindaraj, A., Voli, E. M., Basumallic, L. and Rao, C. N. R., J. Mater. Res., 12, 604 (1997).
12 Iijima, S., Ichihashi, T., Nature, 363, 603 (1993).
13 Chambers, A., Park, C., Baker, R. T. K. and Rodriguez, N. M., J. Phys. Chem. B, 102, 4253 (1998).
14 Horvath, G. and Kawazoe, K., J. Chem. Eng. Jpn., 16, 470 (1983).
15 Jaymes, I., Douy, A. Massiot, D. and Busnel, J-P, J. Am. Ceram. Soc., 78, 2648 (1995).

Methane/water Adsorption Properties of Synthetic Imogolite Nanotubes

  • Fumihiko Ohashi (a1), Shinji Tomura (a1) and Shin-Ichiro Wada (a2)

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