Department of Chemical Engineering;
Nnamdi Azikiwe University;
Awka;
Nigeria.;
Department of Materials and Metallurgical Engineering;
Nnamdi Azikiwe University;
Awka;
Nigeria.;
Department of Materials and Metallurgical Engineering;
University of Lagos.;
Model; Phosphorus; Removed; Pyro-Hydrometallurgy; Potassium; Hydroxide; Iron; Oxide; Ore.;