Depollution of 1,3,5-trimethoxybenzene through its electrochemical conversion into a high added value product 2,6-dimethoxy-1,4-benzoquinone

The first part of this work relates to the analytical study of the electrochemical behavior of 1,3,5-trimethoxybenzene (TMB) by cyclic voltammetry at treated gold electrode. The second part is relative to the results of its conversion into a high added value product 2,6-dimethoxy-1,4-benzoquinone (D...

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Bibliographic Details
Published in:Euro-Mediterranean journal for environmental integration 2017-10, Vol.2 (1), p.3, Article 3
Main Authors: Hamza, Morched, Bouaziz, Ines, Njah, Fatma, Abdelhedi, Ridha
Format: Article
Language:English
Subjects:
Acetone
Aquatic Pollution
Aqueous solutions
Atmospheric Protection/Air Quality Control/Air Pollution
Benzoquinone
Earth and Environmental Science
Earth Sciences
Electrochemical analysis
Electrochemistry
Electrodes
Electrolysis
Electrolytes
Electrons
Environmental Chemistry
Environmental Management
Environmental Science and Engineering
Gold
Lead oxides
Mineralization
Original Paper
Oxidation
Sulfuric acid
Voltammetry
Waste Management/Waste Technology
Waste Water Technology
Water Management
Water Pollution Control
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Summary:The first part of this work relates to the analytical study of the electrochemical behavior of 1,3,5-trimethoxybenzene (TMB) by cyclic voltammetry at treated gold electrode. The second part is relative to the results of its conversion into a high added value product 2,6-dimethoxy-1,4-benzoquinone (DMBQ) by electrolysis at lead dioxide anode. The used electrolyte which is a simulated solution of TMB in water–acetone mixture should be prepared using a preconcentrated TMB wastewater. The partial substitution of water by acetone permit to control the TMB solubility to avoid the electrochemical efficiency reduction by TMB transfer limitation. Moreover, the DMBQ desorption from the electrode surface by the effects of acetone and its displacement by TMB provides the slowdown of its degradation. The electrochemical DMBQ recovery increases with the enhancement of acetone volumic percentage and decreases by increasing the current density.
ISSN:2365-6433
2365-7448
DOI:10.1007/s41207-016-0013-6