RemovalofCoraleleNavyBlue3DDyefromActivatedCarbon Synthesized from Paper Mill Sludge . int. J. Eng. Res. Sci. Tech. [Internet]. 2021 Jul. 9 [cited 2026 Aug. 18];17(3):1-9. Available from: https://ijerst.org/index.php/ijerst/article/view/81