Used to make a mixture / liquid uniform throughout. Generally this
procedure involves reducing the size of the particles of one component
of the mixture and dispersing them evenly throughout the other component.
Probably the most familiar example of a homogenised product is commercially
sold milk.
In milk that has not been homogenised the globules of fat range in diameter from
approximately 1 to 20 micrometers. This allows them to separate out from the
rest of the milk if it is allowed to stand. After homogenization the globules
are reduced to a range of sizes clustering closely about 1 micrometer and remain
stably dispersed through the milk.
Homogenization is usually accomplished by pumping the milk through a small opening
at high pressure. Common makes of homogenizer are APV Gaulin, Rannie, Niro, Crepaco,
Alfa Laval, Tetra Alex, Soavi, Cherry Burrell. |