... 023%4.Application 1. Refining edible plants and animals oil, for decolorizing purification. Take off the harmful pigment, ... resin and cotton acid, etc. in oil to making high-grade edible oil.2. Bleaching and refining industrial animal ... oil, paraffin, white oil, lubricating oil, Vaseline or other minerals in the oil industry.4. The recycling of industrial waste oil (machine oil, lubricants mineral oil ...