The fluidized-bed granulator (FDG) involves the use of a fluidized bed in a drum granulator, which is a horizontal cylinder fitted with internal flights. Despite its demonstrated success on an industrial scale, there are ...

According to the binder nature, fluidized-bed granulation (FBG) is usually classified as wet or melt granulation. In particular, the industrial urea granulation performed in fluidized beds, is often called “melt granulation” ...

The steady-state operation of a continuous industrial fluidized-bed granulator for urea production with multiple growth and cooling beds in series is modeled. The model is based on mass and energy balances, which account ...

This paper addresses fluid-bed melt granulation (FBMG) for seeds and a binder of the same chemical nature, i.e. with an identical melting point. The purpose of this work is to study the impact of seed size, bed temperature, ...

In this work, a complete dynamic model of a continuous industrial fluidized bed granulator for urea production is presented. Three growth and three cooling chambers in series are simulated. Mass, energy and momentum balances ...

Mass and population balance equations are used to describe the spray-on melt granulation process in a batch fluidized bed where coating and agglomeration can occur simultaneously. Two different models are considered to ...

The theoretical modeling of fluidized drum granulators (FDGs) represents a great challenge, being the major difficulty the mathematical description of the solids flow pattern. There are many published models for the movement ...