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• W4311662023 endingPage "116967" @default.
• W4311662023 startingPage "116967" @default.
• W4311662023 abstract "Excess manganese (Mn) concentrations can pose environmental and health risks. Currently, research on Mn removal by electrocoagulation (EC) using transition metal electrodes and the determination of its potential environmental impacts is limited. This study aims to assess the electrocoagulation process's performance with a titanium electrode as a sacrificial anode while also performing a life cycle assessment (LCA) of the process. The initial pH, current density (CD), electrode spacings, electrolyte types, concentrations, and electrode arrangement were all examined. For synthetic wastewater, most of the experiments used a concentration of Mn of 2 mg/L and sodium chloride as a supporting electrolyte at a concentration of 1 g/L. LCA software (OpenLCA 1.11) was used to assess the potential environmental impacts. Optimal operating conditions within the experimental range were as follows: initial pH = 7, CD = 10 mA/cm2, gap distance = 2 cm, and 1 g/L NaCl. Under these conditions, the maximum Mn removal efficiency was 96.5% after 60 min. There was an improvement of 2% rise after 60 min when the temperature increased from 20 °C to 40 °C. For real wastewater, the highest removal efficiencies for Mn and chemical oxygen demand after 60 min were 91.3% and 92%, respectively. The pseudo second order model provides the highest coefficient of determination for expressing the experimental data. Global warming, human non-carcinogenic toxicity, and terrestrial ecotoxicity were the most important categories of impact examined in this work according to the LCA (0.00064 kg CO2 eq, 0.00018 kg 1,4-DCB, and 0.00028 kg 1,4-DCB, respectively). To effectively remove Mn using EC with Ti electrodes, it appears that a period of electrolysis of 10 min would be sufficient under most of the conditions investigated in this study. The reduction in the electrolysis time will lead to a reduction in the operating costs of the system." @default.
• W4311662023 created "2022-12-27" @default.
• W4311662023 creator A5022217700 @default.
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• W4311662023 date "2023-02-01" @default.
• W4311662023 modified "2023-10-16" @default.
• W4311662023 title "Performance evaluation and life cycle assessment of electrocoagulation process for manganese removal from wastewater using titanium electrodes" @default.
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• W4311662023 doi "https://doi.org/10.1016/j.jenvman.2022.116967" @default.
• W4311662023 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36493542" @default.
• W4311662023 hasPublicationYear "2023" @default.
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