Watery fraction containing impurities and oil that accumulates at the bottom of the oil storage tanks.

Combination of perceptions of taste, smell, tactile and kinaesthetic stimuli enabling an assessor to identify a food and to establish a criterion with varying degrees of acceptance or rejection.

Solid fraction measuring less than 0.5 mm.

Equipment consisting of a set of frames and plates with pre-coated paper or fabric filter material through which the oil is passed under pressure.

Equipment using round, pre-coat horizontal elements made of metal mesh through which the oil is passed under pressure.

Equipment using pre-coat elongated filter bags made of a porous material through which the oil is passed under pressure.

Equipment using a stack of porous material as the filter medium through which the oil is passed under pressure.

Equipment using perforated cylindrical filter elements as a pre-coat filter through which the oil is passed under pressure.