Optimization of Copper Removal by Photovoltaic Electrocoagulation from Aqueous Solution Using Response Surface Methodology Towards Sustainable Development

• Autorzy: Thanh Hoa Nguyen , Nguyen Lien , Lan Phuong Dinh Thi

Identyfikatory

DOI

10.12911/22998993/109881

• Języki publikacji: EN

Abstrakty

EN

This research aims at illustrating the optimal functions of removing copper ions in aqueous solution by means of the electrocoagulation process in which portable solar power generators are used as renewable energy. A solar photovoltaic cell (PV), producing approximately 48A current intensity for 4-7 h per day, was sufficient to charge the lithium batteries completely during the day. This system was connected directly to the electrocoagulation tank. The Box-Behnken design (BBD) was applied to evaluate three effects of process factors: current density, the dose of electrolyte (NaCl), and application time. The results showed that an optimal efficiency of 99.01% Cu removal plus an energy savings of 1.039 kWh/m³ were obtained at a current density of 4 A/m², the dosage of NaCl (electrolyte) of 1.87 g/L, and electrolysis time of 10 min. The chemical components of the sludge produced under these optimized conditions were determined by means of EDX. It was illustrated that the copper ions were the main elements of sludge, and nonhazardous compounds were contained. The PV-lithium battery system is considered to be an efficient alternative energy source toward sustainable development.

Słowa kluczowe

EN

photovoltaics; electrocoagulation; copper; Box-Behnken design; energy consumption; lithium battery; sustainable development

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2019
• Tom: Vol. 20, nr 7
• Strony: 103--111
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Thanh Hoa Nguyen

• Faculty of Environment, Thuyloi University, 175 Tay Son, Dong Da district, Ha Noi, Viet Nam

autor

Nguyen Lien

• Faculty of Environment, Thuyloi University, 175 Tay Son, Dong Da district, Ha Noi, Viet Nam

autor

Lan Phuong Dinh Thi

• Faculty of Environment, Thuyloi University, 175 Tay Son, Dong Da district, Ha Noi, Viet Nam

Bibliografia

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