Optimization of Biodegradable Urea Production Process to Minimize Ammonia Release through Response Surface Method Experimental Design

Abstract

This paper investigated the influence of temperature and binder speed rate as a process variable towards amount of ammonia emission (NH3) in the fluidized bed top spray granulation. Response Surface Method (RSM) was employed in this experiment to optimize the process parameters in a top-spray fluid-bed processor. Three significant variables (binder feed rate, atomize pressure and temperature) were selected for the optimization studies. The statistical model was constructed via central composite design (CCD) using three screened variables. These methods are exclusively used to examine the "surface," or the relationship between the response and the factors affecting the response. The response in this experiment is the quantity of gas release, then the goal would be to find the factor settings that minimize the amount. The inlet temperature was identified as the most critical parameter, followed by the binder addition rate and atomize pressure, respectively.