Development of Activated Carbon and NaOH Modification for the Removal of Nickel Metal Ions from Oil Spilled Environment in the Niger Delta Region. J.P.A.S [Internet]. 2025 Apr. 3 [cited 2025 Dec. 13];23(1):99-109. Available from: https://atbuscienceforum.com.ng/index.php/jpas/article/view/77