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Comprehensive dataset on fluoride removal from aqueous solution by enhanced electrocoagulation process by persulfate
Hamid Reza Tashauoei1, Mokhtar Mahdavi2,3, Ali Fatehizadeh4,5
1Department of Environmental Health Engineering, Faculty of Public Health and Biomedical Engineering, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
Data in Brief
|September 4, 2023
Summary
Persulfate-enhanced electrocoagulation effectively removes fluoride (F-) from water, surpassing traditional methods. This advanced technique offers a more efficient and environmentally sound solution for water purification.
Area of Science:
- Environmental Science
- Water Treatment Technologies
- Electrochemistry
Background:
- Fluoride (F-) in drinking water poses health risks at high concentrations (over 2-4 mg/L), including skeletal issues and developmental problems.
- Conventional fluoride removal methods are often complex, costly, and environmentally burdensome.
- Persulfate salts represent a novel approach to enhance electrocoagulation for improved fluoride removal.
Purpose of the Study:
- To investigate the efficacy of persulfate-enhanced electrocoagulation for removing fluoride ions from water.
- To determine the optimal conditions for fluoride removal using this advanced process.
Main Methods:
- A laboratory-scale electrochemical batch reactor with iron and aluminum electrodes was utilized.
- Experiments involved varying persulfate doses, pH levels, current intensities, and supporting electrolyte concentrations.
- Fluoride removal efficiency was measured under different operational parameters.
Main Results:
- The persulfate-enhanced electrocoagulation process demonstrated increased efficiency over time and optimal performance within a specific pH range.
- Increasing supporting electrolyte concentration to 1.5 g/L improved fluoride removal from 80% to 91.2% (at 10 mg/L initial F-).
- A persulfate dose of 0.2 mg/L achieved over 92% fluoride removal across all tested concentrations, proving highly effective.
Conclusions:
- Persulfate-enhanced electrocoagulation is a highly efficient method for removing fluoride from water sources.
- This technique offers a superior alternative to conventional electrocoagulation alone, with improved environmental and economic potential.
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