Journal article

Synthesis and Characterization of Ferrierite-Type Zeolite in the Presence of Nonionic Surfactants.

RB Khomane, BD Kulkarni, RK Ahedi

Journal of Colloid and Interface Science | Elsevier BV | Published : 2001


Pure-phase ferrierite (FER) zeolite has been synthesized in the presence of small amounts of nonionic surfactants, Tween 20 and Tween 80. The input SiO(2)/Al(2)O(3) 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 SiO(2)/Al(2)O(3) 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 SiO(2)/Al(2)O(3) output mo..

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