Simple Synthesis of Large pore Mesoporous Iron Substituted Aluminophosphate Molecular Sieves

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Simple Synthesis of Large pore Mesoporous Iron Substituted Aluminophosphate Molecular Sieves

Author Affiliations

¹Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli-627012, Tamilnadu, INDIA

Res.J.chem.sci., Volume 3, Issue (9), Pages 83-85, September,18 (2013)

Abstract

Iron containing mesoporous aluminophosphate (FeAlPO₄) synthesized by simple synthesis using anionic sodium dodecyl sulphate (SDS) as structure directing agent leads to an active, selective and recyclable catalyst for the esterification reaction. This material was characterized by FT-IR, N adsorption desorption, temperature programmed desorption (TPD) and thermal analysis (TG/DTA). The influence of this synthesis procedure makes the material more stable, reusable and it exhibits uniform large pore diameter (27 nm) with the surface area of 116m/g. This material exhibits highly acidic nature and hence the activity of the catalyst FeAlPO₄ was analyzed for esterification of acetic acid and n-butanol in liquid phase and the experimental conditions were determined. The same reaction has been done again to find out the reusability of the catalyst and it is found active with high yield of ester.

References

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[ref1] Lisnyak V.V., Ischenko E.V., Stratiichuk D.A., Zaderko A.N., Boldyrieva O.Yu., Safonova V.V.and Yatsymyrskyi A.V., Pt, Pd Supported on Niobium Phosphates as Catalysts for the Hydrogen Oxidation, Res. J. Recent Sci.,3(3), 30-33 (2013)

[ref2] Sumathi T., and Kannappan A.N., Ultrasonic Investigation on Sodium and Calcium Tungsten Phosphate Glass System, Res. J. Recent Sci.,2(9), 14-17 (2012)

[ref3] Safaee Hoda, Sohrabi Morteza and Falamaki Cavus, Synthesis of Some Baria-Modified -Al2O3 for Methanol Dehydration to Dimethyl Ether, Res. J. Recent Sci.,3(1), 57-62 (2013)

[ref4] Kannan C., Devi M.R., Muthuraja K., Esaivani K. and Sudalai Vadivoo V., Green catalytic Polymerization of Styrene in the Vapor phase over Alumina, Res.J.Chem. Sci.,2(7), 1-8 (2012)

[ref5] Hartmann M. and Kevan L., Transition metal ions in aluminophosphate and silicoaluminophosphate molecular sieves: location, interaction with adsorbates and catalytic properties, Chem. Rev., 99, 635-663 (1999)

[ref6] Weckhuysen B. M., Rao R. R., Marthens J. A., and Schoonheydt R. A., Eur. J. Inorg. Chem., 565-577 (1999)

[ref7] Vijayasankar A. V., Deepa S., Venugopal B. R., and Nagaraju N., Amorphous mesoporous iron aluminophosphate catalyst for the synthesis of 1,5-benzodiazipenes, Chin J Catal., 31,1321–1327 (2010)

[ref8] Tusar N. N., Logar N. Z., Arcon I., Malia G., Mazaj M., Ristic A., Lazar K., and Kaucic V., Local environment of iron in the mesoporous hexagonal aluminophosphate molecular sieves, Micropor. Mesopor Mater.,87, 52–58 (2005)

[ref9] Tiemann M., Schulz M., Jager C., and Froba M., Mesoporous aluminophosphate molecular sieves synthesized under nonaqueous conditions, Chem. Mater.,13, 2885-2891 (2001)

[ref10] Karthik M., Vinu A., Tripathi A. K., Gupta N.M., Palanichamy M., Murugesan V., Micropor. Mesopor. Mater.,70, 15–25 (2004)

[ref11] Sarshar Z., Zahedi-Niaki M. H., Huang Q., and Kaliaguine S., Synthesis, structural and acidity characterizations of the large-pore zeolite SSZ-42 for controlling cold-start emissions, Micropor. Mesoporous Mater.,118, 373–381 (2009)