The equipment is suitable for Grade 1 oil refining from crude oil. Oil refining may remove solid impurities, free fatty acid,gum matter,lecithin,wax,pigment,odor and harmful subtances which are in the crude oil. Dewaxing and defatting are needed for Grade 1 oil refining, so that food value and use value of oil are improved. Some useful elements can be extracted from by-products of oil refining,and may apply to food,pharmacy,chemical industry and textiles etc. The equipment reduces alkali-refined soap stock,and improves the extracted rate of oil refiniing.
Grade 1 oil refining process is as follows: 1. crude oil leaching 2.phosphoric acid degumming 3.light alkali refining 4.water washing 5.drying 6.dewaxing 7.first decoloring
8.physical deacidification 9.second alkali refined 10.deironing 11.water washing 12.drying 13.second decoloring 14.deodorization 15.defatting