Sunlight assisted photodecolorization of malachite green catalyzed by MIL-101/graphene oxide composites

Sunlight assisted photodecolorization of malachite green catalyzed by MIL-101/graphene oxide... The objective of the research is mainly the development of efficient and environmentally benign heterogeneous catalysts for sunlight assisted photodecolorization of Malachite green (MG). Heterogeneous MIL-101/graphene oxide composite was synthesized by sonication and heat treatment for this purpose. The catalyst thus prepared was then tested for the sunlight assisted photodecolorization. The mesostructure of MIL-101 remains intact after graphene oxide modifications, as shown by various techniques such as FT IR, X-ray diffraction, UV-Vis, N2 adsorption desorption, SEM and TEM. XRD and adsorption desorption analysis, while spectral techniques show successful immobilization of the neat graphene oxide inside the MIL-101 cavities. The effects of key experimental parameters including the catalyst amount (0.009–0.017 g L−1), initial concentration of dyes (10–30 mg L−1) and solution pH (3–11) were studied on the extent of decolorization. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Sunlight assisted photodecolorization of malachite green catalyzed by MIL-101/graphene oxide composites

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215010243
Publisher site
See Article on Publisher Site

Abstract

The objective of the research is mainly the development of efficient and environmentally benign heterogeneous catalysts for sunlight assisted photodecolorization of Malachite green (MG). Heterogeneous MIL-101/graphene oxide composite was synthesized by sonication and heat treatment for this purpose. The catalyst thus prepared was then tested for the sunlight assisted photodecolorization. The mesostructure of MIL-101 remains intact after graphene oxide modifications, as shown by various techniques such as FT IR, X-ray diffraction, UV-Vis, N2 adsorption desorption, SEM and TEM. XRD and adsorption desorption analysis, while spectral techniques show successful immobilization of the neat graphene oxide inside the MIL-101 cavities. The effects of key experimental parameters including the catalyst amount (0.009–0.017 g L−1), initial concentration of dyes (10–30 mg L−1) and solution pH (3–11) were studied on the extent of decolorization.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Apr 16, 2015

References

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