Comparative Assessment of Biosorption Potential of Non-treated and Acid-treated Activated Carbon Produced from Maize cob for Wastewater Treatment: Collection and carbonization of maize cob to powdered activated carbon. NIJOTECH [Internet]. 2022 Jun. 30 [cited 2026 Apr. 28];41(3):603-12. Available from: https://www.nijotech.com/index.php/nijotech/article/view/2877