Possibilities and Constraints of the Electrochemical Treatment of Thiophene on Low and High Oxidation Power Electrodes
At a Glance
Section titled âAt a Glanceâ| Metadata | Details |
|---|---|
| Publication Date | 2019-02-05 |
| Journal | Energy & Fuels |
| Authors | Foad Mehri, Waldemar Sauter, Uwe Schröder, Soosan Rowshanzamir |
| Institutions | Technische UniversitÀt Braunschweig, Iran University of Science and Technology |
| Citations | 8 |
Abstract
Section titled âAbstractâIn this research, the electrochemical oxidation of thiophene at platinum and dimensionally stable anode (DSA) electrodes as low oxidation power anodes and at lead/lead oxide (Pb/PbOx) and boron-doped diamond (BDD) electrodes as high oxidation power anodes was comprehensively studied by determining the rate and degree of the electrochemical thiophene oxidation, the Coulombic efficiency (CE), and the selectivity of polar product formation [thiophene-2-one and 3-hydroxythiophene-2(3H)-one (Thyox)]. The DSA showed the best performance among the low oxidation power electrodes, with a selectivity of 84.54% toward Thyox formation, a product formation rate of 224.51 mmol/(h m2), a CE of 23.04%, and thiophene conversion of 97.96% in 0.5 M H2SO4 solution for 3 h in ambient temperature. The conversion of thiophene was approximately the same using Pb/PbOx and BDD (about 92%), but Pb/PbOx yielded higher selectivity and product formation rate for Thyox formation [73.68% and 117.72 mmol/(h m2), respectively]. However, CE of BDD (62%) was nearly 3 times greater than that of Pb/PbOx at lower potentials. The experimental results can provide a clear decision in the exploitation of oxidation processes at the industrial scale and could be easily extended to other thiophenic compounds.
Tech Support
Section titled âTech SupportâOriginal Source
Section titled âOriginal SourceâReferences
Section titled âReferencesâ- 2014 - Thiophenes [Crossref]
- 1985 - Thiophene and its Derivatives