Removal of Malachite Green from Aqueous Solution using Ficus Benjamina Activated Carbon-Nonmetal Oxide synthesized by pyro Carbonic Acid Microwave. alkej [Internet]. 2023 Jun. 5 [cited 2025 Apr. 30];19(2):26-38. Available from: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/847