What can be seen in the video is the whole full refining demonstration process, the full refining equipment has dehydration, dephosphorization, acid, decolorization and deodorization effect, suitable for a variety of plant and animal gross oil, can meet the national standards of primary and secondary oil standards. The crude oil first enters the two refining tanks of dephosphorization and deacidification for stirring reaction, and then enters the decolorization tank to add activated clay and activated carbon to remove fat companions. After one filtration, it enters the deodorant tank, and finally conducts secondary filtration to obtain the refined oil.