... Rude oil-Neutralize-Decolorize-Deodorize-Cool-Edible 2,ridding off acid ,de oil refineries in mexico, Flow chart ... the oil .Deodorizer It’s used for ridding off odor of the oil .Transfer oil furence It’ ... 5 mins, then immobility for 4 hrs, put off the soap water ,so for 2-3 times which ... 260degrees , to distillate for 4hrs wit steams . Then turn off the steams to open the cooler to reduce the temperature ...