Synthesis and characterization of ferrocene-based Schiff base and ferrocenecarboxaldehyde oxime and their adsorptive removal of methyl blue from aqueous solution
Lasri, J., Elsherbiny, A. S., Eltayeb, N. E., Haukka, M., & El-Hefnawy, M. E. (2018). Synthesis and characterization of ferrocene-based Schiff base and ferrocenecarboxaldehyde oxime and their adsorptive removal of methyl blue from aqueous solution. Journal of Organometallic Chemistry, 866, 21-26. https://doi.org/10.1016/j.jorganchem.2018.04.004
Julkaistu sarjassa
Journal of Organometallic ChemistryTekijät
Päivämäärä
2018Tekijänoikeudet
© 2018 Elsevier B.V. This is a final draft version of an article whose final and definitive form has been published by Elsevier B.V. Published in this repository with the kind permission of the publisher.
The ferrocene-based Schiff base 3 was synthetized by reaction of ferrocenecarboxaldehyde 1 with 4-aminoantipyrine 2. However, the reaction of 1 with hydroxylamine affords ferrocenecarboxaldehyde oxime 4. Compounds 3 and 4 were fully characterized by IR, 1H, 13C and DEPT-135 NMR spectroscopy, elemental analyses and also by single crystal X-ray diffraction. Compounds 3 and 4 were used to remove anionic methyl blue dye from wastewater. The results established that both compounds have high adsorption capacity towards methyl blue. Langmuir adsorption capacity of compound 4 (464 mmol/g) is much higher than that of compound 3 (193 mmol/g) at 25 °C. The kinetics data was fitted well pseudo-second-order model. Thermodynamic studies show that the adsorption of methyl blue onto compound 3 was endothermic, while its exothermic in case of adsorption onto compound 4. The process was spontaneous for both compounds.
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Elsevier BVISSN Hae Julkaisufoorumista
0022-328XAsiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/27986971
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