Membrane Processing

 Membrane processing is a technique that permits concentration and separation without the use of heat. Particles are separated on the basis of their molecular size and shape with the use of pressure and specially designed semi-permeable membranes. There are some fairly new developments in terms of commercial reality and is gaining readily in its applications:

  • proteins can be separated in whey for the production of whey protein concentrate (WPC)
  • milk can be concentrated prior to cheesemaking at the farm level
  • apple juice and wine can be clarified
  • waste treatment and product recovery is possible in edible oil, fat, potato, and fish processing
  • fermentation broths can be clarified and separated
  • whole egg and egg white ultrafiltration as a preconcentration prior to spray drying

The following topics will be covered in this section: