IJESD 2017 Vol.8(4): 241-246 ISSN: 2010-0264
doi: 10.18178/ijesd.2017.8.4.955

Elimination of Methylene Blue and Reactive Black 5 from Aqueous Solution Using HKUST-1

S. Loera-Serna, H. Solis, E. Ortiz, A. L. Martínez-Hernandéz, and L. Noreña

Abstract—The HKUST-1 copper metal organic framework (MOF) is one of the most studied MOFs because it has high pore volume, a large surface area, high chemical stability and also the ability to bind water, among other molecules, by coordinating to the unsaturated Cu(II) sites. In this study we propose two strategies for the elimination of two dyes from aqueous solution employing HKUST-1: methylene blue, MB, (with a initial concentration of 200 ppm) and reactive black 5, RB5, (with a initial concentration of 100 ppm). The first strategy involves in-situ (IS) adsorption where MB or RB5 are added to the HKIST-1 synthesis precursors and the porous structure is formed including MB or RB5 molecules. The second strategy corresponds to post-synthesis (PS) elimination. HKUST-1 is obtained by stirring at room temperature and pretreated at 100 °C during 12 h. Finally, MB or RB5 was incorporated into the HKUST-1 structure by contact solution. MOFs were characterized by XDR, FTIR, TGA and UV-Vis, in order to compare both methods and for identifying the physicochemical properties of the obtained materials. XRD results corroborate that all synthesized materials correspond to the cubic HKUST-1 structure, with different reticular parameters. The UV-Vis results show that the IS adsorption of MB and RB5 in HKUST-1, produced a guest loading of 58.11 % and 82.68 %, respectively. Whereas, the PS method reached a dye loading of 93.57 % and 75.01 % for MB and RB5, respectively.

Index Terms—HKUST-1, MOF, methylene blue, reactive black 5, adsorption.

S. Loera-Serna, H. Solis, E. Ortiz, and L. Noreña are with the Metropolitan Autonomous University, Azcapotzalco, Av. San Pablo 180, Col. Reynosa Tamaulipas, Azcapotzalco, Ciudad de México, 02200, Mexico (e-mail: sls@correo.azc.uam.mx).
A. L. Martínez-Hernandéz is with Research Division at Instituto Tecnologico de Querétaro (Queretaro Technological Institute). Av. Tecnológico s/n, Centro, Santiago de Querétaro, 76000, QRO, Mexico.

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Cite: S. Loera-Serna, H. Solis, E. Ortiz, A. L. Martínez-Hernandéz, and L. Noreña, "Elimination of Methylene Blue and Reactive Black 5 from Aqueous Solution Using HKUST-1," International Journal of Environmental Science and Development vol. 8, no. 4, pp. 241-246, 2017.

General Information

  • ISSN: 2010-0264 (Print)
  • Abbreviated Title: Int. J. Environ. Sci. Dev.
  • Frequency: Monthly
  • DOI: 10.18178/IJESD
  • Editor-in-Chief: Prof. Richard Haynes
  • Executive Editor: Ms. Nancy Y. Liu
  • E-mail: ijesd@ejournal.net

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