The investigation of parameters affecting boron removal by electrocoagulation method

A Erdem Yilmaz¹, Recep Boncukcuoğlu, M Muhtar Kocakerim

¹Department of Environmental Engineering, Atatürk University, Faculty of Engineering, Erzurum, Turkey. aerdemy@atauni.edu.tr

|June 30, 2005

Summary

Electrocoagulation effectively removes boron from wastewater using aluminum electrodes. Optimal conditions, including pH 8.0 and CaCl2 electrolyte, achieved 97% boron removal efficiency with efficient energy consumption.

Area of Science:

Environmental Science
Water Treatment Engineering
Electrochemistry

Background:

Boron contamination in wastewater poses environmental and health risks.
Conventional boron removal methods can be inefficient or costly.
Electrocoagulation presents a promising alternative for boron remediation.

Purpose of the Study:

To investigate the effectiveness of electrocoagulation for boron removal from aqueous solutions.
To optimize working parameters for maximizing boron removal efficiency.
To evaluate the impact of supporting electrolytes on the electrocoagulation process.

Main Methods:

Electrocoagulation experiments were conducted using aluminum electrodes.
Key parameters studied included pH, current density, initial boron concentration, and supporting electrolyte type/concentration.
Optimal pH was determined to be 8.0 for the aluminum electrode.

Main Results:

A maximum boron removal efficiency of 97% was achieved using CaCl2 as a supporting electrolyte.
Higher current density (up to 6.0 mA/cm2) increased boron removal efficiency and energy consumption.
Lower boron concentration (100 mg/L) resulted in higher removal efficiency compared to higher concentrations (1000 mg/L).

Conclusions:

Electrocoagulation with aluminum electrodes is highly effective for boron removal from wastewater.
Optimized conditions, including pH 8.0 and CaCl2 electrolyte, enhance removal efficiency and reduce energy consumption.
This method offers a viable solution for addressing boron contamination in aqueous environments.

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The investigation of parameters affecting boron removal by electrocoagulation method

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Background:

Purpose of the Study:

Main Methods:

Main Results:

Conclusions:

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