Program details may be subject to change

(See here for the alternate “Food & Feed Extrusion Technology” typical program offered in Australia and elsewhere)

Day 1

am

Review of Extrusion Theory

• Principles of Extruder Configuration
• Role of Ingredients and preconditioner
• Role of Rheology in Extrusion Processing and the Screw and Die Characteristic
• Principles of Die Design – an overview

Product 1 – Textured vegetable protein/pet food extrusion

Review/design

• Raw materials and formulations
• Screw profile
• Auxiliary devices
• Operating conditions

¤ Visit pilot plant – observe TVP production in normal operation (single screw extruder)

pm

Product 2 – Third Generation Snack Pellet

Review/design 

• Raw materials and formulations
• Screw profile
• Auxiliary devices
• Operating conditions

¤ Extruder Trial Product 2

Set up screw profile and produce third generation snack pellet using a twin screw extruder

 Day 2

am

Extrusion Theory

• Causes and Effects of Extruder Instabilities
• Coextrusion

 Product 3 – Co-extruded snack

Review/design

• Raw materials and formulations
• Screw profile
• Auxiliary devices
• Operating conditions

¤ Extruder Trial Product 3

Set up screw profile and produce a direct expanded snack with filling using a collet extruder

pm

Product 4 – Direct expanded breakfast cereal

Review/design

• Raw materials and formulations
• Screw profile
• Auxiliary devices
• Operating conditions

¤ Extruder Trial Product 4

Set up screw profile and produce a direct expanded breakfast cereal using a twin-screw extruder

 Day 3

am

Product 5 – High moisture meat analog

Review/design

• Raw materials and formulations
• Screw profile
• Auxiliary devices
• Operating conditions

¤ ExtruderTrial Product 5

Set up screw profile and produce a high moisture meat analog using a twin screw extruder

pm

 Extrusion process trouble shooting

Quality assurance and How to Achieve it