A novel electrocoagulation electrode configuration for the removal of total organic carbon from primary treated municipal wastewater

Hawari, Alaa H.; Alkhatib, Afnan M.; Hafiz, MhdAmmar; Das, Probir

doi:10.1007/s11356-020-08678-4

Cited by 20 publications

(11 citation statements)

References 23 publications

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“…5(b) below shows how removal efficiency for Zinc electrode is lowest at contact time of 40 minutes and 60 minutes for both the current density. However, the TSS removal efficiency is highest for both the current density at a contact time of 10 minutes and 20 minutes [14]. And with the highest removal efficiency achieved by 10 minutes of contact time using current density of 20 A/m 2 .…”

Section: F Effect On Tssmentioning

confidence: 89%

Treatment of Public Sewage Wastewater Using Electrocoagulation Process

Khan¹,

Khalique²,

Shams³

2023

IJESD

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Sewage needs to be treated before it is discharged into the water bodies such as rivers and lakes. Sewage wastewater were analyzed in this study, by electrocoagulation process using an alternating power source with current density of 10 A/m2 and 20 A/m2 at treatment time of 10, 20, 40, 60 minutes respectively using copper and zinc electrodes. The effect of electrode material was determined and how chemical oxygen demand (COD), total suspended solids (TSS), Conductivity, pH and turbidity were affected by changing contact time and with changing the current density. We obtained very satisfactory results for the two electrochemical cells such as copper and zinc electrodes. The optimum conditions were determined at treatment time of 20 minutes for a current density of 10 A/m2 with TSS removal efficiency of 92%, COD removal efficiency of 91.5%, pH of 7.50 , with a low turbidity value of 4.27 turbidity (NTU) and the conductivity of 108 μs for copper electrodes. Whereas, using zinc electrodes, the optimum treatment time was 20 minutes at 10 A/m2 current density, TSS removal efficiency was of 92%, COD removal efficiency of 85.7%, pH of 7.80 with turbidity removal efficiency of 87.3 % and the conductivity of 117.3 μs. This electrocoagulation process has attracted a great deal of attention in treating various wastewaters because of its versatility and environmental compatibility.

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Section: F Effect On Tssmentioning

confidence: 89%

Treatment of Public Sewage Wastewater Using Electrocoagulation Process

Khan¹,

Khalique²,

Shams³

2023

IJESD

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“…Using the new electrode configuration increased the removal of TOC by 7.2% in comparison to the conventional EC process. Furthermore, the energy consumption when using the new electrode configuration was 14% less than the regular EC process [16].…”

Section: Introductionmentioning

confidence: 90%

“…Although electrocoagulation has shown high removal efficiency for different pollutants from wastewater, the energy and electrode consumption of EC need to be further improved. Recently, increased attention has been placed on the use of dielectrophoretic force (DEP) in electrocoagulation [14][15][16]. Alkhatib et al (2020) evaluated the impact of using DEP force in the EC process for the removal of total phosphorus (TP) and chemical oxygen demand (COD) from secondary treated wastewater [14].…”

Section: Introductionmentioning

confidence: 99%

“…It was found that the major significance of using the DEP-inducing electrodes in the EC process was that the aluminum content in the harvested biomass decreased by 52% compared to the conventional EC electrodes. Moreover, Hawari et al (2020) studied the impact of the new electrodes configuration on the removal of total organic carbon (TOC) from primary treated municipal wastewater [16]. Using the new electrode configuration increased the removal of TOC by 7.2% in comparison to the conventional EC process.…”

Section: Introductionmentioning

confidence: 99%

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An Enhanced Electrocoagulation Process for the Removal of Fe and Mn from Municipal Wastewater Using Dielectrophoresis (DEP)

Almukdad

Hawari

Hafiz

2021

Water

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In this study the removal of Fe and Mn from primary treated municipal wastewater using a new electrode configuration in electrocoagulation was evaluated. The used electrode configuration induced a dielectrophoretic (DEP) force in the electrocoagulation process. The impact of the electrolysis time, electrodes spacing and applied current on the removal of Fe and Mn was evaluated. The maximum removal percentages of Fe and Mn were obtained using an electrolysis time of 60 min, an electrode spacing of 0.5 cm and an applied current of 800 mA. Under these operating conditions and using the new electrodes configuration, the Fe and Mn removals were 96.8% and 66%, respectively. The main advantage of using the DEP-induced electrode configuration was the minimal consumption of the electrodes. The new electrode configuration showed 42% less aluminum content in the reactor compared to the aluminum electrodes with no DEP effect. The energy consumption at the selected operation conditions was 4.88 kWh/m3. The experimental results were comparable with the simulation results achieved by the COMSOL software.

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“…Treated sewage effluent (TSE) could be considered as a valuable source of water that might be used for the irrigation of food crops, especially in arid and semi-arid regions. However, the direct use of TSE could damage the soil because of the excessive salts, pathogens, colloids, phosphor, and nitrate content [ 1 , 2 ]. Enhancing the quality of TSE to meet irrigation standards has become a common practice.…”

Section: Introductionmentioning

confidence: 99%

A Hybrid NF-FO-RO Process for the Supply of Irrigation Water from Treated Wastewater: Simulation Study

et al. 2021

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Municipal treated wastewater could be considered as a water source for food crop irrigation purposes. Enhancing the quality of treated wastewater to meet irrigation standards has become a necessary practice. Nanofiltration (NF) was used in the first stage to produce permeate at relatively low energy consumption. In the second stage, two membrane combinations were tested for additional water extraction from the brine generated by the NF process. The simulation results showed that using a hybrid forward osmosis (FO)–reverse osmosis (RO) system is more efficient than using the RO process alone for the further extraction of water from the brine generated by the NF process. The total specific energy consumption can be reduced by 27% after using FO as an intermediate process between NF and RO. In addition, the final permeate water quality produced using the hybrid FO-RO system was within the allowable standards for food crops irrigation.

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A novel electrocoagulation electrode configuration for the removal of total organic carbon from primary treated municipal wastewater

Cited by 20 publications

References 23 publications

Treatment of Public Sewage Wastewater Using Electrocoagulation Process

Treatment of Public Sewage Wastewater Using Electrocoagulation Process

An Enhanced Electrocoagulation Process for the Removal of Fe and Mn from Municipal Wastewater Using Dielectrophoresis (DEP)

A Hybrid NF-FO-RO Process for the Supply of Irrigation Water from Treated Wastewater: Simulation Study

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