Modified Biochar for Dye Removal from Wastewater: Recent Advances in Functionalization Techniques and Adsorption Mechanisms: A Review. Tikrit j. eng. sci. [Internet]. 2026 Sep. 15 [cited 2026 Oct. 12];33(2):1-17. Available from: https://tj-es.com/ojs/index.php/tjes/article/view/2561