Apparatus and method for providing treatment to a continuous supply of food product by impingement

An apparatus for applying treatment fluid to a food product, comprising:

• a housing;
• a first chamber in the housing adapted to receive treatment fluid;
• a second chamber in the housing having an entry and an exit for the food product, the second chamber adapted to receive the food product to which the treatment fluid is to be applied;
• separation means disposed in the housing to separate the first and second chambers, the separation means having passage means constructed and arranged in the separation means to provide fluid communication between the first and second chambers and to control the concentration of the treatment fluid introduced into the second chamber;
• and
• circulation means in communication with the first and second chambers for drawing the treatment fluid through the passage means onto the food product and circulating unused treatment fluid to the first chamber.