Eggshell waste derived CaO as a tribocatalyst for removal of Rhodamine B dye under ambient light and sunlight

Key Points

• Effective removal of Rhodamine B dye was achieved, with a decolorization rate of over 90% within 60 minutes.
• The study utilized eggshell waste-derived calcium oxide as a tribocatalyst, showing potential for environmentally friendly applications.
• Assessment using sunlight and ambient light conditions highlighted the versatility of the tribocatalyst in different settings.
• This finding emphasizes the potential of repurposing waste materials, promoting sustainable waste management and dye treatment solutions.