Modeling and simulation of the phosphoric unit in Skhira plant

This work deals with the physical modeling of the phosphoric unit in the Tunisian Chemical Group (TCG). The process is consisting of a continuous reactor and a rotary filter. This study focuses on the different physical laws involved in the filtration step and the attack step combined with different actuators models in order to get a simulator of the global process. In control, this system is Multiple Input Multiple Output (MIMO). Besides, many parameters rise in the system model and effect enormously the efficiency which should be modeled with precision such as permeability, porosity, specific resistance, etc. The improved model developed in this study offer practical means of interpreting experimental data and optimizing the efficiency of the two steps: filtration and attack. The majority of the reported process studies have not made attempts at measuring a full set of measurable parameters. The phosphoric model presented in this study may provides some guidance for the types of parameters involved in such process. Moreover, we think of implementing a user interface on MATLAB to supervise and control the phosphoric unit process via simulink model.