Estimation of crystallinity in flyash-based zeolite-A using XRD and IR spectroscopy

Current Science

Volumn 89, Issue 12, 2005, Pages 2147-2151

  Rayalu, S S ^a   Udhoji, J S ^a   Meshram, S U ^a   Naidu, R R ^a   Devotta, S ^a  

^a NATIONAL ENVIRONMENTAL ENGINEERING RESEARCH INSTITUTE   (India)

Author keywords

Crystallinity; Exchange capacity; Infrared spectroscopy; Structure elucidation; Zeolite A

Indexed keywords

EID: 31744444017     PISSN: 00113891     EISSN: 00113891     Source Type: Journal    
DOI: None     Document Type: Article

References (7)

1. Rayalu, S. S., Labhasetwar, N. K. and Khanna, P., Process for the synthesis of flyash-based zeolite-A. US patent no. 5965105, October 1999.
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3. Stojkovic, S. R. and Adnadjevic, B., Investigation of the Na-A zeolite crystallization mechanism by IR spectroscopy. Zeolites, 1988, 6, 523-525.
4. Bhattacharya, A., Das, J., Mitra, S. and Roy, S. K., Studies on the synthesis of SAPO-5. J. Chem. Technol. Biotechnol., 1992, 54, 399-407.
5. Breck, D. W., In Zeolite Molecular Sieves, John Wiley-Interscience, New York, 1974, p. 249.
6. Shigemoto, N., Sugiyama, S., Hayashi, H. and Miyaura, K., Characterization of Na-X, Na-A, and coal flyash zeolites and their amorphous precursors by IR, MAS NMR and XPS. J. Mater. Sci., 1995, 30, 5777-5783.
7. Sugahara, Yujiro, Usui, Koichi, Ogawa, Masahlide, Kurosaki, Hideaki and Imafuku; Shigehisa. Process for the preparation of alkali aluminosilicate detergent builder. US patent no. 4,102,977, 25 July 1978.