Exploring a Porous Biochar-Based Capacitive Deionization Device for Phosphogypsum Wastewater Treatment in...

Area of Science:

• Materials Science
• Chemical Engineering
• Environmental Science

Background:

• Capacitive deionization (CDI) is vital for industrial wastewater treatment.
• Efficient electrode materials are essential for CDI performance.
• There is a need for practical, interdisciplinary training in CDI technology.

Purpose of the Study:

• To develop an undergraduate experimental teaching framework for porous biochar-based CDI systems.
• To integrate understanding, development, and application of CDI technology.
• To provide hands-on experience in electrode synthesis and CDI device operation.

Main Methods:

• Biochar electrode synthesis via biomass pyrolysis.
• Assembly of capacitive deionization (CDI) devices.
• Material characterization and electrochemical analysis.
• Treatment of phosphogypsum wastewater.

Main Results:

• Successful synthesis of biochar electrodes from biomass.
• Demonstrated fabrication and operation of CDI devices.
• Students gained practical skills in materials characterization and electrochemical analysis.
• Effective treatment of phosphogypsum wastewater using biochar CDI systems.

Conclusions:

• The developed framework effectively trains undergraduate students in CDI technology.
• The interdisciplinary approach bridges materials science and chemical engineering for sustainable wastewater treatment.
• This hands-on curriculum enhances student comprehension and skill development in practical applications.