2019
DOI: 10.3390/ma12101698
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Application of Graphene and Carbon Nanotubes on Carbon Felt Electrodes for the Electro-Fenton System

Abstract: The electro-Fenton system has the ability to degrade wastewater and has received attention from many researchers. Currently, the core development objective is to effectively increase the degraded wastewater decolorization efficiency in the system. In this study, to improve the electro-Fenton system reaction rate and overall electrical properties, we used polyvinylidene difluoride to fix carbon nanotubes (CNTs) and graphene onto the system cathode (carbon felt electrode), which was then used to process Reactive… Show more

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Cited by 17 publications
(11 citation statements)
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“…In several papers polytetrafluroethylene (PTFE), a synthetic fluropolymer with good adhesion and lubricating properties, has been used successfully [55,56]. Spin coating has also been employed to deposit GO from slurries [57], while in some cases, the treated carbon or graphite felt is immersed in the rGO containing suspension or slurry [4], or dip-coated [58,59]. The solution or slurry coating approaches enable the addition of various additives that have the potential to enhance the removal of micropollutants using E-Fenton.…”
Section: Graphene Modified Carbon/graphite Felt Electrodes and Other Supportsmentioning
confidence: 99%
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“…In several papers polytetrafluroethylene (PTFE), a synthetic fluropolymer with good adhesion and lubricating properties, has been used successfully [55,56]. Spin coating has also been employed to deposit GO from slurries [57], while in some cases, the treated carbon or graphite felt is immersed in the rGO containing suspension or slurry [4], or dip-coated [58,59]. The solution or slurry coating approaches enable the addition of various additives that have the potential to enhance the removal of micropollutants using E-Fenton.…”
Section: Graphene Modified Carbon/graphite Felt Electrodes and Other Supportsmentioning
confidence: 99%
“…In most of these approaches, the graphene-modified electrode is compared to the conducting carbon or graphite felt or carbon cloth substrate electrodes and the addition of rGO clearly enhances the rate of H 2 O 2 generation to give a more efficient removal of the contaminants. Interestingly, it was shown by Wang et al [57], who employed polyvinylidene difluoride to fabricate both carbon nanotube (CNT) modified felt and graphene-modified felt electrodes, that the graphene-modified carbon felt was superior in the degradation of an azo dye molecule, reaching degradation rates of 70.1%, compared to the lower rates of 55.3% evident with the CNT-modified electrode. While both modifications enhanced the azo dye degradation rate compared to the untreated carbon felt electrode, the graphene-modified electrode produced a higher quantity of H 2 O 2 .…”
Section: Graphene Modified Carbon/graphite Felt Electrodes and Other Supportsmentioning
confidence: 99%
See 1 more Smart Citation
“…Metal/metal oxide NPs on the carbon electrode surface can be used as heterogeneous catalysts for the local generation of H 2 O 2 during the electro-Fenton oxidation process. Graphite [24], graphenes [25], carbon nanotubes [26], carbon nanofibers [27], carbon sponges [28], and carbon felts [14] are among the electrode materials with good conductivity investigated for the electrochemical production of H 2 O 2 . On the other hand, Fe 3+ sludge formation, due to the production of Fe 3+ , and the need for acidic pH (pH 2-4) for the electro-Fenton process can be solved by the mobilization of metal NPs (electrocatalyst) to overcome the narrow pH range required for the homogeneous electro-Fenton oxidation.…”
Section: Introductionmentioning
confidence: 99%
“…Based on the findings of this experiment, graphene-modified carbon felt cathodes could increase treatment efficiency by approximately 14% compared to CNT-modified carbon felt cathode. 12 However, it is not easy to mass-produce high-quality graphene at the moment and doing so will increase the cost of EF systems.…”
Section: Introductionmentioning
confidence: 99%