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Tribochemical reactions of erionite and Na-LTA zeolites with Fe2(SO4)3.5H2O: A mössbauer study

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Abstract

The tribochemical reactions between Na-LTA and natural erionite with Fe2(SO4)3·5H2O were studied by Mössbauer spectroscopy, X-ray powder diffraction, IR spectroscopy and NH3 adsorption experiments. The reactions occur with the consequent zeolite dealumination and the formation of a crystalline compound, a product of the extracted aluminum and the sulfate.

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Authors and Affiliations

  1. National Center for Scientific Research, P.O. Box 6990, Havana, Cuba

    J. de Oñate Martínez, C. Díaz Aguila, J. Fernández Bertrán, E. Reguera Ruíz, C. Portilla Vergara & R. Roque Malherbe

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  1. J. de Oñate Martínez
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  2. C. Díaz Aguila
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  3. J. Fernández Bertrán
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  4. E. Reguera Ruíz
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  5. C. Portilla Vergara
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  6. R. Roque Malherbe
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de Oñate Martínez, J., Aguila, C.D., Bertrán, J.F. et al. Tribochemical reactions of erionite and Na-LTA zeolites with Fe2(SO4)3.5H2O: A mössbauer study. Hyperfine Interact 73, 371–375 (1992). https://doi.org/10.1007/BF02418611

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  • DOI: https://doi.org/10.1007/BF02418611

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