Electrochemical incineration of glyphosate wastewater using three-dimensional electrode

Oliveira, Kaíque S.G.C.; Farinos, Rosimeire Martins; Veroli, Alyne B.; Ruotolo, Luís A.M.

doi:10.1080/09593330.2019.1625563

Cited by 9 publications

(6 citation statements)

References 37 publications

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“…Through literature [58][59][60][61][62] studies, as well as the test analysis of the RuO2-IrO2/Ti anode plates and the experimental data described above, based on the basic principle of an electrochemical redox reaction, the migration and transformation of CODCr and NH4 + -N in the reacting solution can be roughly understood as shown in Figure 8. As shown in Figure 7a, during the electrolysis process of 5 h, the removal rate of COD Cr in wastewater by both electrolysis systems increased with the increase in electrolysis time; there was a difference in the removal rate of COD Cr in wastewater by electrolysis up to the same time, and the removal rate of COD Cr in wastewater by the electrolysis system with the addition of TBA was obviously lower than that by the electrolysis system without the addition of TBA.…”

Section: Analysis Of Indirect Electrochemical Oxidation Involving •Ohmentioning

confidence: 99%

Three-Dimensional Electrochemical Oxidation System with RuO2-IrO2/Ti as the Anode for Ammonia Wastewater Treatment

Huang,

Zhao,

Zhu

et al. 2024

Sustainability

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In this study, a three-dimensional electrochemical oxidation system was constructed to treat ammonia nitrogen wastewater generated from the tail gas absorption of a methionine producer by using a homemade MAC mixed with a GAC at a mass ratio of 1:2 as the particle electrode, with a RuO2-IrO2/Ti polar plate as the anode and a stainless steel plate as the cathode. The effects of current density, initial pH value of wastewater, plate spacing, NaCl concentration and particle filling amount on CODCr and NH4+-N removal were investigated through single-factor experiments, and the removal pathways of CODCr and NH4+-N under the system were initially explored via cyclic voltammetry curves, scanning electron microscopy and tertiary butanol quenching experiments. The experimental results showed that the average removal rate of CODCr was 91.03% and that of NH4+-N was 98.89% after electrolysis for 5 h under the conditions of a current density of 40 mA/cm2, no pH adjustment, the spacing of the electrode plates of 8 cm, the NaCl dosing concentration of 1 g/L, and the particle filling amount of 400 g/L. Under this experimental condition, the removal of CODCr occurred mainly through the indirect oxidation of active chlorine and ·OH, and the removal of NH4+-N mainly through the indirect oxidation of active chlorine.

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Section: Analysis Of Indirect Electrochemical Oxidation Involving •Ohmentioning

confidence: 99%

Three-Dimensional Electrochemical Oxidation System with RuO2-IrO2/Ti as the Anode for Ammonia Wastewater Treatment

Huang,

Zhao,

Zhu

et al. 2024

Sustainability

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“…In another hand, the study carried out by Oliveira et al [88] reported the degradation of real wastewater containing glyphosate using an electrode of PbO 2 electrodeposited on a three-dimensional matrix of reticulated vitreous carbon (RVC) in a flow reactor. They reported that the optimized values of current density, flow rate, and temperature to lead to an improvement of 70% in the mineralization kinetics were 30 mA•cm −2 , 3000 mL•min −1 , and 50 • C, respectively.…”

Section: Electrochemical Oxidation Processmentioning

confidence: 99%

“…Additionally, their study reported the importance of mass transfer in anodic oxidation when a low concentration of organics is present in the effluent, so an increase in flow rate could lead to improve the mineralization kinetics, increase the global current efficiency, and decrease the specific energy consumption. Finally, it is important to mention that the study reported by Oliveira et al [88] is one of the most complete reports because it also presents an economical estimation to treat 1 m 3 of water, estimating energy consumption of 10-15 kWh•m −3 which corresponds to 3.0-4.5 USD•m −3 .…”

Section: Electrochemical Oxidation Processmentioning

confidence: 99%

“…The photoanode is the basis of the mechanism operation of the PEC, this constitutes a material formed by an electrode commonly used in EO on which a semiconductor material with photocatalytic properties is supported. It combination allows that to increase the mineralization capacity of organic pollutants in water [74,88,89]. In this process, the UV or visible light that radiates semiconductor material of photoanode let to occur a photocatalytic process where electron/hole pairs (e CB − /h VB + ) are generated (Reaction 8, 9 and 10) [90][91][92].…”

Section: Photoelectrocatalytic Treatment Processmentioning

confidence: 99%

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Technologies Employed in the Treatment of Water Contaminated with Glyphosate: A Review

et al. 2020

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Glyphosate [N-(phosphonomethyl)-glycine] is a herbicide with several commercial formulations that are used generally in agriculture for the control of various weeds. It is the most used pesticide in the world and comprises multiple constituents (coadjutants, salts, and others) that help to effectively reach the action’s mechanism in plants. Due to its extensive and inadequate use, this herbicide has been frequently detected in water, principally in surface and groundwater nearest to agricultural areas. Its presence in the aquatic environment poses chronic and remote hazards to human health and the environment. Therefore, it becomes necessary to develop treatment processes to remediate aquatic environments polluted with glyphosate, its metabolites, and/or coadjutants. This review is focused on conventional and non-conventional water treatment processes developed for water polluted with glyphosate herbicide; it describes the fundamental mechanism of water treatment processes and their applications are summarized. It addressed biological processes (bacterial and fungi degradation), physicochemical processes (adsorption, membrane filtration), advanced oxidation processes—AOPs (photocatalysis, electrochemical oxidation, photo-electrocatalysis, among others) and combined water treatment processes. Finally, the main operating parameters and the effectiveness of treatment processes are analyzed, ending with an analysis of the challenges in this field of research.

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“…On the other hand, some products have been eliminated in the international production process or even banned due to implementing green chemical and hazardous free production practices. Now these low-end products are not only harmful to the environment and toxic but also cause fierce market competition, leading to a bleak market for new products, which leads to a vicious cycle [5].…”

Section: Introductionmentioning

confidence: 99%

Hydrolytic Acidification-Two Stage EGSB-A/O Combined Process for Pesticide Wastewater Treatment

Sun

2021

Advances in Wastewater Treatment II

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The wastewater produced by a chemical enterprise in Ningxia has the characteristics of high COD, high salt content, and high ammoniacal nitrogen. The biodegradability of the wastewater is poor due to presence of higher concentration of pollutant. The scale of first stage of treatment was 400m3/d. The wastewater of different characteristic was collected and treated separately. The combined process of "micro electrolysis + Fenton oxidation + coagulation precipitation + evaporation crystallization" was used to pretreat the wastewater containing high salt and high COD. The main process was "hydrolytic acidification + two-stage Expanded Granular Sludge Bed (EGSB) + two-stage advance Fenton oxidation (A/O)". The final concentrations of effluent COD, NH3-N and TDS are 376 mg/L, 34.74 mg/L, and 442 mg/L, and the removal rates are 99.9%, 81.3%, and 99.9%, respectively. The environmental, engineering and economical (3E) practices showed that the combined process has stable operation, strong impact resistance, and high reduction of COD in the effluent.

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Electrochemical incineration of glyphosate wastewater using three-dimensional electrode

Cited by 9 publications

References 37 publications

Three-Dimensional Electrochemical Oxidation System with RuO2-IrO2/Ti as the Anode for Ammonia Wastewater Treatment

Three-Dimensional Electrochemical Oxidation System with RuO2-IrO2/Ti as the Anode for Ammonia Wastewater Treatment

Technologies Employed in the Treatment of Water Contaminated with Glyphosate: A Review

Hydrolytic Acidification-Two Stage EGSB-A/O Combined Process for Pesticide Wastewater Treatment

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