Zahraa A.kadhim, Z. and H. Abbar, A. 2022. Kinetics of Electrochemical Removal of Nickel using Bio-electrochemical Reactor with Packed Bed Rotating Cylinder Cathode. Al-Khwarizmi Engineering Journal. 18, 3 (Sep. 2022). DOI:https://doi.org/10.22153/kej.2022.08.003.