Adsorptive Removal of Chromium from Tannery Wastewater by Chitosan Modified-Activated Carbon of Hyphaene Thebaica. J.P.A.S [Internet]. 2025 Apr. 3 [cited 2025 Oct. 25];23(1):191 – 214. Available from: https://atbuscienceforum.com.ng/index.php/jpas/article/view/84