Jan 09, 2017· The pre-treated oil is then bleached with a mixture of bleaching earth and activated carbon (10:1 ratio) at 90-95OC for 20-30 minutes and finally de-acidified/steam deodorised at 220240OC under
Refining Process. Edible oil producers always look for ways to improve their products. The oil is not merely pressed from the oil-rich material. It undergoes a multistage refining process to remove impurities, dyestuffs, and residues that can degrade the quality of the oil. Materials based on natural feedstock bentonite play a decisive role in
