Optimization of Phenol Removal Using Ti/PbO2 Anode with Response Surface Methodology

García-Gómez, Celestino; Vidales-Contreras, Juan Antonio; Nápoles-Armenta, Juan; Gortáres‐Moroyoqui, Pablo

doi:10.1061/(asce)ee.1943-7870.0001057

Cited by 9 publications

(4 citation statements)

References 25 publications

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“…It may be because of the instability of the particle electrodes in the condition of excessive loading of the active components. 36 Therefore, the Mn-6/ACF was selected as the best loading of Mn for subsequent experiments.…”

Section: Resultsmentioning

confidence: 99%

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Fabrication of Efficient Nano-MnO_x/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Liu

Duan

et al. 2019

Ind. Eng. Chem. Res.

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Various metallic oxide nanoparticles supported on commercial activated carbon fibers (M/ACF) were fabricated and employed as particle electrodes to degrade aqueous m-cresol in (three-dimensional) 3-D electrochemical systems. It has been experimentally demonstrated that the ACF loaded with MnO x exhibited relatively higher 3-D electrooxidation performance than other metallic oxides (FeO x , CuO, and SnO2). Several fabricated samples were characterized by N2 adsorption, SEM, TEM, and so forth. The characterization results revealed that MnO x on the ACF samples was mainly composed of MnO2 and Mn2O3 nanoparticles, while the presence of MnO2 might be beneficial for the 3-D electrooxidation. The experimental results proved that the optimal preparation techniques of Mn/ACF were as follows: active component loading: 6% and calcination temperatures: 450 °C, resulting in about average 70% TOC removal. The reaction mechanism was discussed: the electrooxidative degradation process of organic pollutants with MnO x /ACF as particle electrodes was the synergistic effects of MnO x nanomaterials and ACF functional groups.

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Section: Resultsmentioning

confidence: 99%

“…When the loading is further increased (Mn-8/ACF), the average TOC removal would decrease significantly (about 45%). It may be because of the instability of the particle electrodes in the condition of excessive loading of the active components . Therefore, the Mn-6/ACF was selected as the best loading of Mn for subsequent experiments.…”

Section: Resultsmentioning

confidence: 99%

Fabrication of Efficient Nano-MnO_x/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Liu

Duan

et al. 2019

Ind. Eng. Chem. Res.

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“…The coefficient of determination (R 2 ), Fisher's test (F test) and the probability (P) value at its 95% confidence level were used to study the performance of the second order polynomial equation (García-Ǵ omez et al 2016). The 3D surface and contour plots were studied to know the significant interactions between the responses and control factors.…”

Section: Experimental Designmentioning

confidence: 99%

Optimization of Fenton’s oxidation of herbicide dicamba in water using response surface methodology

Sangami

Basavaraju

2017

Appl Water Sci

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In this study Fenton's oxidation of dicamba in aqueous medium was investigated by using the response surface methodology. dosage of 11.38 and 0.33 mM respectively. The whole oxidation process was monitored by high performance liquid chromatography (HPLC) along with liquid chromatography/mass spectrometry (LC/MS). It was found that 82% of dicamba was mineralized to oxalic acid, chloride ion, CO 2 and H 2 O, which was confirmed with COD removal of 81.53%. The regression analysis was performed, in which standard deviation (\4%), coefficient of variation (\8), F value (Fisher's Test) ([2.74), coefficient of correlation (R 2 = R 2 adj ) and adequate precision ([12) were in good agreement with model values. Finally, the treatment process was validated by performing the additional experiments.

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“…In recent years, lead alloy and titanium based electrode materials are mostly used in the hydrometallurgical industry and the field of electrochemistry. [1][2][3][4][5][6] However, lead alloy electrodes have large internal resistance, high oxygen evolution potential, uneven current distribution on the surface of the electrode, and are easy to dissolve. In the working process of the electrode, it will pollute the electrolyte and cathode precipitation products, and reduce product quality.…”

mentioning

confidence: 99%

Effect of Pb(NO₃)₂ on Preparation and Properties of CF/β-PbO₂ Electrodes for Zinc Electrowinning

Liu

Zhi-jun

2020

ECS J. Solid State Sci. Technol.

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In this study, the β-PbO2 active layer was deposited on the surface of the carbon fiber cloth by electrodeposition. The CF/β-PbO2 electrode was investigated by scanning electron microscopy (SEM), anodic polarization curves, Tafel curves, and a four-probe method. It was found that a uniform and flattened dense β-PbO2 active layer is obtained when the concentration of Pb(NO3)2 is 150 g l−1. The deposition quality of the active layer of β-PbO2 particles in the carbon fiber is affected by the concentration of Pb(NO3)2, thereby affecting the interfacial bonding strength between the active layer and the carbon fiber. The weightlessness rate of the carbon fiber substrate electrode materials with Pb(NO3)2 concentration of 150 g l−1 are the smallest. The interface resistivity of the CF/β-PbO2 electrode sample with Pb(NO3)2 concentration of 150 g l−1 is 6.71 × 10−5 Ω·m and is smallest. The CF/β-PbO2 electrode prepared under the 150 g l−1 has the smallest oxygen evolution potential and is 2.335 V. When the concentration of Pb(NO3)2 is 150 g l−1, the prepared CF/β-PbO2 electrode has the largest corrosion potential (1.085 V) and the minimum corrosion current (2.074 × 10−4 A · cm−2).

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Optimization of Phenol Removal Using Ti/PbO2 Anode with Response Surface Methodology

Cited by 9 publications

References 25 publications

Fabrication of Efficient Nano-MnO_x/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Fabrication of Efficient Nano-MnO_x/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Optimization of Fenton’s oxidation of herbicide dicamba in water using response surface methodology

Effect of Pb(NO₃)₂ on Preparation and Properties of CF/β-PbO₂ Electrodes for Zinc Electrowinning

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Optimization of Phenol Removal Using Ti/PbO2 Anode with Response Surface Methodology

Cited by 9 publications

References 25 publications

Fabrication of Efficient Nano-MnOx/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Fabrication of Efficient Nano-MnOx/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Optimization of Fenton’s oxidation of herbicide dicamba in water using response surface methodology

Effect of Pb(NO3)2 on Preparation and Properties of CF/β-PbO2 Electrodes for Zinc Electrowinning

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Fabrication of Efficient Nano-MnO_x/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Fabrication of Efficient Nano-MnO_x/ACF Particle Electrodes and their Application in the Electrooxidation of m-Cresol in the 3-D Electrode System

Effect of Pb(NO₃)₂ on Preparation and Properties of CF/β-PbO₂ Electrodes for Zinc Electrowinning