Bleaching sand (bleaching deodorant) for small and medium sized oil refinery catalyst, cracking the production of black smelly diesel bleaching in addition to taste, for the late black smelly diesel refinery decolorization odor, suitable for single-vessel distillation (indigenous oil refining ) bleaching out black smelly diesel odor, suitable for refineries, oil storage tanks for diesel black oxide bleaching, but also the basis for oil and black oil bleaching in addition to taste, more suitable for waste oil, refining bleaching system black-odor of diesel odor. Bleaching agent characteristics: 1, loss less, the taste of pure oil, color up to national standard. Wash with a deodorant bleaching oil, which the slag rate significantly less than the old-fashioned way of washing out the oil residue rate. Not only will the diesel refined color reduction, and placed the longer the color but the more clear, more bright, especially the crystal clear, oil ... 15152345958