... 1. Refining edible plants and animals oil, for decolorizing purification. Take off the harmful pigment, ... refining and purification for diesel, kerosene, gasoline, 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).5. The decolorizing purification ...