Transcript Lysbilde 1 - Fakultet for naturvitenskap og teknologi

Modelling and Control of Fertilizer
Granulation Process
Christer Haugland
Supervisors:
Sigurd Skogestad
Vidar Alstad (YARA)
Process flowsheet
So far: Model description, Analyzing model with step responses, new screen model
Planned work: New crusher model, addressing instabilities
Figure 1: Steps in split range controller setpoint with corresponding response in D50 of
product and controller input.