Whey Protein Isolate (WPI)
A whey protein solution of more than 90 % is produced by using extensive diafiltration (adding water before membrane filtration).
This solution can then be evaporated and spray dried to produce a WPI powder.
Tetra Pak is the only company in the world who can take integrate the entire cheese making process, from milk reception, to curd creation, wet whey processing, drying and powder handling. Read all about whey processing.