Journal of Porous Materials

, Volume 20, Issue 4, pp 753–761 | Cite as

Effect of surfactants on the morphology of titania microspheres prepared by internal gelation process

  • Sachin S. Pathak
  • I. C. Pius
  • R. D. Bhanushali
  • K. T. Pillai
  • J. V. Dehadraya
  • S. K. Mukerjee
Article
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Abstract

Internal gelation process was employed for preparation of 0.3–1 mm sized microspheres of titania for their application in ion exchange columns. The conventional internal gelation process was modified by adding surfactant and oil emulsion in the feed broth, which introduced large pores in the structure of the material. The effects of concentration of hydrochloric acid, titanium, surfactant and hexamethylenetetramine to titanium ratio in the feed broth and temperature of calcination on the surface characteristics of the final product were studied. The conditions of preparation were optimized to obtain physically stable porous microspheres suitable for various applications. The resultant material was characterized by pore size distribution, pore volume, thermogravimetry, X-ray diffraction and SEM analyses. Ion exchange behaviour of the material was then studied by pH titration.

Keywords

Surfactant Internal gelation Sol–gel chemistry Titania microspheres Surface properties Thermogravimetric analysis 
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Notes

Acknowledgments

The authors thank Dr S.K. Aggarwal, Associate Director RC&I Group and Head Fuel Chemistry Division for his support and encouragement during the course of investigations as well as for critical evaluation of the manuscript. The authors also express their sincere thanks to Shri R.V. Kamat for useful discussions and valuable suggestions during the course of the work and Shri Sunil Kumar from Post Irradiation & Examination Division for providing SEM photographs of titania microspheres. The authors also express their sincere thanks to Dr. K.Krishnan for XRD analysis and Mrs. Mohini Laghate for pore size distribution data.

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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Sachin S. Pathak
    • 1
  • I. C. Pius
    • 1
  • R. D. Bhanushali
    • 1
  • K. T. Pillai
    • 1
  • J. V. Dehadraya
    • 1
  • S. K. Mukerjee
    • 1
  1. 1.Fuel Chemistry DivisionBARCTrombay, MumbaiIndia

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