Waste to Resource Approach: CoFe2O4 -Modified Spent Tea Waste for Magnetic Solid-Phase Extraction of Toxic Metal Ions from Water Samples

Key Points

• This research aims to explore the conversion of spent tea waste into a functional material for removing toxic metal ions from water.
• Modified spent tea waste with CoFe2O4 for enhanced magnetic properties
• Conducted magnetic solid-phase extraction experiments on water samples
• Analyzed efficiency in removing various toxic metal ions
• Demonstrated significant reduction of toxic metal ions in treated water samples
• Showed that CoFe2O4 modification improved extraction efficiency compared to untreated waste
• Found that this method is cost-effective and sustainable for water purification