Pengaruh Tinggi Unggun Pada Proses Adsorpsi Ion Besi (Fe2+) Menggunakan Adsor…

viii The Effect of Bed Height on Iron (Fe²⁺) Ions the Adsorption Process Using Activated Bamboo Stem Charcoal Adsorbent Treated with NaOH Rizky Al Rasyid and Samuel Valentino L.T Basic Laboratory of Process and Plant Operation, Department of Chemical Engineering, Faculty of Engineering, University of Riau