PresentacióN 2008 Intercambo Ionico Fase SóLida Final

Lucille Oliver Cebollero Mentor: Ph.D. Arturo Hernandez Ana Graciela Arévalo Hidalgo – Estudiante Doctoral Chemical Engineering Department Partnership for Research and Education on Materials (PREM) University of Puerto Rico-Mayagüez Campus Remoción de dióxido de carbono: Intercambio Iónico en SAPO -34

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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Revisión de Literatura Schematic source: Marie-Ange Dijiegoune et al (1998)

MOTIVACIÓN ,[object Object],2500 ppm or less ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Objetivos ,[object Object],[object Object],[object Object],CO 2

Objetivos ,[object Object],[object Object],[object Object]

Metodología ,[object Object],[object Object],[object Object]

Mixing Aluminum isopropoxide O-phosphoric acid Colloidal silica (LUDOX AM-30) Sodium hydroxide Tetraethylammonium hydroxide (TEAOH) Deionized water Calcination (SDA removal) Convection drying Filtering Hydrothermal crystallization 187 horas 200  C Molecular organic structure-directing agent (SDA) 100 ˚ C 200 ˚ C 600 ⁰ C 1 Hr 1 Hr 10 Hr 25 ˚ C Lok, B. M. et al. US Patent 4,440,871, 1984. Lok, B. M. et al. US Patent 4,758,419, 1988; Schematic source: Burkett and Davis (1994) SDA nucleation crystal growth soluble species

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Drying Breck, D. W. Zeolite Molecular Sieves; Wiley: New York, 1973. Yang, R. T. Adsorbents: Fundamentals and Applications. Wiley: New York, 2003. Baes, C.F.; Mesmer, R. E. The Hydrolysis of Cations; R.E. Krieger: Florida, 1986

[object Object],*The Tamman temperature is the point where the salt begins to become appreciably mobile, and it is approximately ½Tm, where Tm is the melting point in absolute temperature. Tm=868 297.43˚C * 150˚C 100˚C 25˚C Water elimination of the zeolite HSAPO34 SrCl 2 loses 6 waters Tamman temperature SrCl 2 LPIE of Na-HSAPO34 with NH 4 Cl to produce NH 4 SAPO34. Filtering with deionized water Dried at 90ºC Temperature: 60  C Time: 24 hours Calcination of the sample NH 4 SAPO34 to obtain HSAPO34 “ Homogeneous” mixing of the zeolite HSAPO34 and SrCl 2 ∙6H 2 O Ion exchange in solid phase (SPIE). Olson, D. H. J. Phys. Chem. 1968. Vol 72, p.p. 4366. Forster, H. and Hatje, U. Solid State Ionics 1997, Vol. 101, p.p. 425. Haniffa, R. M. and Seff, K. J. Phys. Chem. B 1998, 102, p.p. 2688. Hernandez-Maldonado, A. J. and Yang, R. T. Ind. Eng. Chem. Res. 2004, Vol. 43, p.p. 1081. Watanabe, Y. et al. J. Catal. 1993, Vol. 143, p.p. 430

TGA Caracterización Micromeritics Isitermas SEM EDAX

Módulo Instruccional para integrar en el curso de Biología a Nivel Secundario Tema Tamiz Molecular

Referencias ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PresentacióN 2008 Intercambo Ionico Fase SóLida Final

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PresentacióN 2008 Intercambo Ionico Fase SóLida Final