Vanadium removal by electrocoagulation with anodes of zinc

Solís–Rodríguez, Ricardo; Pérez‐Garibay, R.; Alonso-González, O.; Mendieta–George, Daniel; Alvarado–Gómez, Anailda

doi:10.1016/j.jece.2022.108082

Cited by 5 publications

(3 citation statements)

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“…Eq. ( 12) as follows (12) The consumption of electrical energy is an economic parameter of great importance in the electrocoagulation process. In this study, the specific electrical energy consumed (SEEC) is defined as the amount of electrical energy per cubic meter, was calculated by [44] [43] equation ( 13).…”

Section: Anode Consumptionmentioning

confidence: 99%

“…The production of metal ions in electrocoagulation follows Faraday's law. This means that, in the EC, the higher the electric current used and the longer the operating time, the higher the production of metal ions in the electrochemical process, the mass released from the anode ( Al and Fe ) was calculated from equation (12). Likewise, the amount of anode dissolution depends on the intensity of electricity passing through the anode and the solution [62].…”

Section: Electric Current Analysismentioning

confidence: 99%

“…Copper [11], Zinc [12] [13] and Titanium [14] [15]. In the case of aluminum electrodes subjected to direct current, the main reaction generated is as follows.…”

Section: Introductionmentioning

confidence: 99%

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Turbidity Removal from a Model Solution by Continuous Mode Electrocoagulation and Evaluation of Energy Consumption

Tello,

Mendoza,

Taranco

et al. 2023

ijmst

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The purpose of the research has been the construction of a new electrocoagulation (EC) equipment and its technical evaluation in the treatment of a model solution with a high level of turbidity. The EC system contains six cells installed in series, coupled to a flocculator and a clarifier (sludge decanter), each cell unit is composed of a cylindrical aluminum (Al) anode and a solid stainless-steel rod as cathode in connection with a DC power supply, the aluminum anodes are replaced by iron (Fe) according to the proposed tests. The influence of two factors, such as the applied electric potential and the type of electrode used, on turbidity removal performance, total dissolved solids (TDS) and electrical energy consumption were examined. The tests were carried out using a two-factor factorial design, electrical potential at (0, 3, 6 and 9 V) and type of anode (aluminum and iron). The investigation of the operating parameters was carried out in continuous mode. The initial turbidity of the water to be treated was set at 84.5 NTU, a value generally found in surface water. The results showed that the best conditions for turbidity removal were at an electrical potential of nine volts reaching a removal of 82.29 % and an energy consumption for aluminum electrodes of 0.7142 kWh/m3. It is also observed that the value of total dissolved solids after treatment is still slightly high. In conclusion, electrocoagulation with Al/steel electrodes proved to be an appropriate technology for water treatment due to its turbidity removal efficiency and low electrical energy consumption.

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Section: Anode Consumptionmentioning

confidence: 99%

Section: Electric Current Analysismentioning

confidence: 99%