... to HG/T2569-20073)Quality Indices:ItemIndexFor edible oilFor industrial oilDecolorizing rate(via burning oil & asphalt approach),%≥95≥ ... and refinement of edible animal and vegetable oil for industrial purpose.In petroleum industry,it’s used for decolorization,refinement ... oil,lubricating oil,Vaseline,etc.).Recycling and regeneration of industrial waste oil(mineral oil like machine oil and lubricating ...