High-performance activated carbons from Canarium schweinfurthii and Ricinodendron heudelotii shells for the efficient removal of indigo carmine from water

Key Points

• The research aims to evaluate the performance of activated carbons derived from specific biomass wastes for purifying water.
• Converted Canarium schweinfurthii and Ricinodendron heudelotii shells into activated carbons.
• Utilized chemical activation method with phosphoric acid for the conversion.
• Tested the effectiveness of these carbons for removing indigo carmine from water.
• Activated carbons effectively removed indigo carmine from water.
• The performance demonstrates the potential of using biomass waste in water treatment applications.
• Chemical activation improved the adsorptive properties of the resulting carbons.