An application of bleach palm oil by used carbon / attapulgite (C / APT) composites., Which being calcined of chitosan/attapulgite (CTS/APT) composite at above 280 °C. Which makes carbon / attapulgite (C / APT) composites, structural changes in the adsorption.The composite adsorbents derived from low cost and eco-friendly raw materials show excellent bleaching efficiency.