Removal of Imidacloprid Pesticide by Electrocoagulation Process using Iron and aluminum Electrodes

Ghalwa, Nasser M Abu

doi:10.4172/2380-2391.1000154

Cited by 17 publications

(5 citation statements)

References 37 publications

(43 reference statements)

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“…We have learned that stainless steel is the most widely-used cathode material in industry, considering its economy and durability [16]. In addition, the distance between the anode and cathode is suggested to be 1~2 cm, according to previous publications and industrial experience [17]. After verification, 2 cm was the optimal distance to be adopted in our following experiments.…”

Section: Effect Of Ec Parameters On Cod Removal Rate Of Mixed Wastewatermentioning

confidence: 97%

Electrocoagulation: A Promising Method to Treat and Reuse Mineral Processing Wastewater with High COD

Jing

Ren

Gao

et al. 2020

Water

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Mineral processing wastewater contains large amounts of reagents which can lead to severe environmental problems, such as high chemical oxygen demand (COD). Inspired by the wastewater treatment in such industries as those of textiles, food, and petrochemistry, in the present work, electrocoagulation (EC) is applied for the first time to explore its feasibility in the treatment of wastewater with an initial COD of 424.29 mg/L from a Pb/Zn sulfide mineral flotation plant and its effect on water reuse. Typical parameters, such as anode materials, current density, initial pH, and additives, were characterized to evaluate the performance of the EC method. The results showed that, under optimal conditions, i.e., iron anode, pH 7.1, electrolysis time 70 min, 19.23 mA/cm2 current density, and 4.1 g/L activated carbon, the initial COD can be reduced to 72.9 mg/L, corresponding to a removal rate of 82.8%. In addition, compared with the untreated wastewater, EC-treated wastewater was found to benefit the recovery of galena and sphalerite, with galena recovery increasing from 25.01% to 36.06% and sphalerite recovery increasing from 59.99% to 65.33%. This study confirmed that EC is a promising method for the treatment and reuse of high-COD-containing wastewater in the mining industry, and it possesses great potential for wide industrial applications.

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Section: Effect Of Ec Parameters On Cod Removal Rate Of Mixed Wastewatermentioning

confidence: 97%

Electrocoagulation: A Promising Method to Treat and Reuse Mineral Processing Wastewater with High COD

Jing

Ren

Gao

et al. 2020

Water

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“…Chromatograms of the five s tandard pes ticides, including acetamiprid, deltamethrin, and abamectin for calibration curve 0.5 kg per 1000 liters of water for acetamiprid. The physical and chemical characteris tics of the s tudied pes ticides [10][11][12] are reported in Table 2.…”

Section: Planting and Spraying Of Tomatoes In The Field And Greenhousementioning

confidence: 99%

Determination and analysis of pesticide residues in fieldgrown and greenhouse-grown tomatoes using liquid chromatography-mass spectrometry

Norouzi

Faraji

Sadeghi

et al. 2023

Anal. Method Environ. Chem. J.

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The present study aimed to extract pesticide residues in the field and greenhouse-grown tomatoes and homemade paste based on the (QuEChERS) method before being determined by liquid chromatography-mass spectrometry (LC-MS). The mean difference in percentage reduction of deltamethrin (DLM) and acetamiprid (ACT) in raw tomatoes of greenhouse-grown was obtained at 91.42 and 90.00%, respectively, which was insignificantly more than filed condition (84.91% and 86.34%). Maximum reduction percentages of the DLM in paste under greenhouse and field tomato conditions were achieved by more than 95.86% and 93.11%, respectively. The residual concentration of both DLM (91.42%) and ACT (90.00%) in the greenhouse decreased more than the field (84.91% and 86.34%), respectively. Abamectin(ABA) reached below the MRL in a shorter time after spraying (2 days). Considering the pre-harvest interval (PHI) period of deltamethrin and abamectin can reach their residual concentration to the MRL in both conditions, which were determined by LC-MS. According to the results of the current study, 7 and 5 days can be suggested as the PHI period of the acetamiprid for field and greenhouse-grown tomatoes, respectively. Therefore, using pesticides in the proper dosage, considering appropriate PHI, and harvesting can reduce their residues in agricultural products.

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“…The experiments were carried out and are shown in Figure 2 to determine the variation in HDX-CBZ degradation efficiency by linked electrochemical process with sodium chloride salt with altering initial concentration of HDX-CBZ from 2 to 20 mg L -1 . The performance of the electrochemical oxidation process is reduced as a result of the rising concentration of HDX-CBZ at constant amount of electrolyte, which reduces the available oxidation potential (Ghalwa et al 2015). Additionally, the removal efficacy of electrochemical oxidation is decreased at high contaminant concentrations due to the possibility of intermediate molecules in solution consuming oxidizing agents (Shemer and Linden 2006;Ghalwa et al 2015).…”

Section: Effect Of Initial Hdx-cbz Concentrationmentioning

confidence: 99%

“…The performance of the electrochemical oxidation process is reduced as a result of the rising concentration of HDX-CBZ at constant amount of electrolyte, which reduces the available oxidation potential (Ghalwa et al 2015). Additionally, the removal efficacy of electrochemical oxidation is decreased at high contaminant concentrations due to the possibility of intermediate molecules in solution consuming oxidizing agents (Shemer and Linden 2006;Ghalwa et al 2015).…”

Section: Effect Of Initial Hdx-cbz Concentrationmentioning

confidence: 99%

Electrochemical degradation of 10,11-dihydro-10-hydroxy carbamazepine as the main metabolite of carbamazepine

Mussa

Al-Qaim

2023

Environ Sci Pollut Res

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Removal of Imidacloprid Pesticide by Electrocoagulation Process using Iron and aluminum Electrodes

Cited by 17 publications

References 37 publications

Electrocoagulation: A Promising Method to Treat and Reuse Mineral Processing Wastewater with High COD

Electrocoagulation: A Promising Method to Treat and Reuse Mineral Processing Wastewater with High COD

Determination and analysis of pesticide residues in fieldgrown and greenhouse-grown tomatoes using liquid chromatography-mass spectrometry

Electrochemical degradation of 10,11-dihydro-10-hydroxy carbamazepine as the main metabolite of carbamazepine

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