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Published in: Arabian Journal for Science and Engineering 12/2019

26-09-2019 | Research Article - Chemical Engineering

New Way of Synthesis of Basic Bismuth Nitrate by Electrodeposition from Ethanol Solution: Characterization and Application for Removal of RB19 from Water

Authors: Slobodan M. Najdanović, Milica M. Petrović, Miloš M. Kostić, Nena D. Velinov, Miljana D. Radović Vučić, Branko Ž. Matović, Aleksandar Lj. Bojić

Published in: Arabian Journal for Science and Engineering | Issue 12/2019

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Abstract

A new method of synthesis was developed for the preparation of sorbent basic bismuth nitrate [Bi6O5(OH)3](NO3)5·2H2O (BBN-EtOH). This electrochemical method includes electrodeposition from an acidic Bi(III) solution in 96% ethanol at a constant current density of 150.0 mA cm–2. Final product was obtained by thermal treatment at 200 °C. Characterization of BBN-EtOH was conducted by employing XRD, FTIR, SEM–EDX as well as BET, and its pI was also determined. The analysis showed that the material obtained is pure [Bi6O5(OH)3](NO3)5·2H2O. Morphologically, it is composed of aggregates which were formed of several smaller particles of various shapes and sizes, some smaller than 100 nm. Electrochemically synthesized sorbent (BBN-EtOH) was used for the removal of the textile dye Reactive Blue 19 (RB19) from deionized water and model solution of river water, and it showed considerably superior sorption performance compared to other inorganic sorbents synthesized by conventional methods reported in the literature. Kinetic study suggests that the sorption process is both under reaction and diffusion control. Equilibrium of the sorption process was attained in several minutes, i.e., the sorption process is very fast. The sorption equilibrium data were well interpreted by the Langmuir, Sips and Brouers–Sotolongo isotherm. The maximum sorption performance was achieved at pH 2.0, and according to the Langmuir isotherm, it is 1344.99 mg g–1.

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Appendix
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Metadata
Title
New Way of Synthesis of Basic Bismuth Nitrate by Electrodeposition from Ethanol Solution: Characterization and Application for Removal of RB19 from Water
Authors
Slobodan M. Najdanović
Milica M. Petrović
Miloš M. Kostić
Nena D. Velinov
Miljana D. Radović Vučić
Branko Ž. Matović
Aleksandar Lj. Bojić
Publication date
26-09-2019
Publisher
Springer Berlin Heidelberg
Published in
Arabian Journal for Science and Engineering / Issue 12/2019
Print ISSN: 2193-567X
Electronic ISSN: 2191-4281
DOI
https://doi.org/10.1007/s13369-019-04177-y

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