Kinetics and Mechanisms of Cadmium (Ii) Ion Sorption Using Carbonized and Modified Sorghum (Sorghum Bicolor) Hull of Two Pore Sizes (CMSH 150µm and 250µm). 65. 2015;2(4):44-58. doi:10.18488/journal.65/2015.2.4/65.4.44.58