Synthesis and characterization of ferrierite-type zeolite in the presence of nonionic surfactants

Khomane, R. B. ; Kulkarni, B. D. ; Ahedi, R. K. (2001) Synthesis and characterization of ferrierite-type zeolite in the presence of nonionic surfactants Journal of Colloid and Interface Science, 236 (2). pp. 208-213. ISSN 0021-9797

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00219...

Related URL: http://dx.doi.org/10.1006/jcis.2000.7406

Abstract

Pure-phase ferrierite (FER) zeolite has been synthesized in the presence of small amounts of nonionic surfactants, Tween 20 and Tween 80. The input SiO2/Al2O3 molar ratio has been varied over a range of 25 to 150. The results confirm that a small amount of pyrrolidine acts as a template and is necessary. The effects of varying concentration of surfactant on ferrierite crystallization and output SiO2/Al2O3 molar ratio are reported. The results also show that in the absence of pyrrolidine, ZSM-5 cocrystallized with FER, whereas in the absence of a nonionic surfactant the yield and crystallization of FER are very poor. The XRF analysis shows the changes in SiO2/Al2O3 output molar ratios as the surfactant concentration changes. The XRD data show that the samples are fully crystalline and pure. The TG/DTA of the sample shows its structural stability. The scanning electron microscopy results show changes in particle size with varying concentration of nonionic surfactant.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:17430
Deposited On:16 Nov 2010 13:06
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