High-selectivity, high-flux silica membranes for gas separation

Science

Volumn 279, Issue 5357, 1998, Pages 1710-1711

  De Vos, Renate M ^a   Verweij, Henk ^a  

^a UNIVERSITY OF TWENTE   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

CARBON DIOXIDE; SILICON DIOXIDE;

ARTICLE; GAS; MEMBRANE; MEMBRANE TRANSPORT; PRIORITY JOURNAL; TRANSMISSION ELECTRON MICROSCOPY;

EID: 0032513381     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.279.5357.1710     Document Type: Article

References (15)

1. D.E. Fain, in Proceedings of the Third International Conference on Inorganic Membranes, 10 to 14 July 1994, Worcester, MA (1995), pp. 365-379; A. J. Burggraaf and L. Cot, in Fundamentals of Inorganic Membrane Science and Technology, vol. 4 of Membrane Science and Technology Series, A. J. Burggraaf and L. Cot, Eds. (Elsevier, Amsterdam, 1996), chap. 1.
2. D.E. Fain, in Proceedings of the Third International Conference on Inorganic Membranes, 10 to 14 July 1994, Worcester, MA (1995), pp. 365-379; A. J. Burggraaf and L. Cot, in Fundamentals of Inorganic Membrane Science and Technology, vol. 4 of Membrane Science and Technology Series, A. J. Burggraaf and L. Cot, Eds. (Elsevier, Amsterdam, 1996), chap. 1.
3. The alumina powder was type CR-6, Baikowski Chimie, Annecy, France. Granulation was done at Philips Lighting, Uden, Netherlands, in a dedicated spray-drying production facility.
4. R. J. R. Uhlhorn, M. H. B. J. Huis In't Veld, K. Keizer, A. J. Burggraaf, J. Mater. Sci. 27, 527 (1992).
5. The TEOS was P.a. grade (Aldrich).
6. R. S. A. de Lange, J. H. A. Hekkink, K. Keizer, A. J. Burggraaf, J. Membr. Sci. 99, 57 (1995).
7. W. J. Koros, Y. H. Ma, T. Shimidzu, Pure Appl. Chem. 68, 1479 (1996).
8. The ability to directly calculate separation performance from J is supported by the fact the membrane's silica material showed Henri-type adsorption behavior at the gas pressures and temperatures considered here (8).
9. R. S. A. de Lange, J. H. A. Hekkink, K. Keizer, A. J. Burggraaf, Y. H. Ma, J. Porous Mater. 2, 141 (1995).
10. R. S. A. de Lange, J. H. A. Hekkink, K. Keizer, A. J. Burggraaf, Microporous Mater. 4, 169 (1995).
11. M. H. Hassan, J. D. Way, P. M. Thoen, A. C. Dillon, J. Membr. Sci. 104, 27 (1995).
12. The measurements on Media and Process Technology (Pittsburgh, PA) membranes were performed in our laboratory [internal report (1996)].
13. R. K. Iler, The Chemistry of Silica (Wiley, New York, 1979), chap. 6.
14. D. W. Breck, Zeolites Molecular Sieves: Structure, Chemistry, and Use (Wiley, New York, 1973), p. 626.
15. We gratefully acknowledge E. Keim (Centre for Materials Research) for TEM analysis. This project is financially supported by Energie Centrum Nederland (Netherlands Energy Research Foundation ECN). 27 October 1997; accepted 23 January 1997