A Comparative Study on the Removal of Heavy Metal Ions from Wastewater with Adsorption Technique by Red Mud-Chitosan Composite: A Review. NTU-JPS [Internet]. 2025 Jul. 12 [cited 2025 Jul. 19];4(2):51-68. Available from: http://ntu.libraryhost.com/index.php/NTU-JPS/article/view/1014