In batch oil Cooking Oil Refinery Plant, a measured quantity of oils is processed in a sequence of neutralizing, bleaching deodorizing. Crude oil obtained from expellers or solvent extraction plant contains foreign impurities such as mucilage, gums, colored unfiltered proteinous matter from the seed. Also, Free Fatty Acids (F.F.A.) which tend to deteriorate the oil on storage, thus making it unfit for edible purpose.
This is basically known as Vegetable Oil Refinery Plant.
The batch refining process consists of the following section:
- Neutralizing Section
- Bleaching Section
- Deodorizing Section.