Sustainable removal of brilliant green dye from aqueous media using a calcium alginate–polydopamine bio-composite: process optimization and adsorption mechanism

Key Points

• The study aims to explore the efficiency of a calcium alginate–polydopamine bio-composite to remove brilliant green dye from water.
• Designed a bio-composite using calcium alginate and polydopamine.
• Conducted experiments on dye adsorption under various conditions.
• Optimized the process for maximum dye removal efficiency.
• Achieved significant reduction of brilliant green dye concentration in aqueous media.
• Demonstrated the bio-composite's effectiveness over traditional methods.
• Identified key parameters influencing the adsorption process.