SILICA GEL BLEACHING SAND Silica gel bleaching sand is made of silica gel. Its main content is SiO2 , which is environmental than other material. It is widely used in waste oil refining, such as waste black diesel oil, red diesel oil ,dark color diesel oil, dark color engine oil(this need pre-treat first before using the silica gel as the bleaching sand) or the pyrolysis oil getting from waste engine oil/waste plastic oil /waste tire oil ect. One ton silica gel can bleach about 20-200tons waste diesel oil, its quantity depend on your diesel oil quality. Its another function is to brighten the oil, if your oil color not satisfied, choose this to brighten them is also ok. why choose it ? Tongzhou silica gel have strong absorb ability, thus it can clean more oil than other material,what's more. it no need heating,and it also can reuse 2-3 times Product Description Tongzhou silica gel can wash the red color diesel oil to lightyellow or white color. One ton silcia gel wash about 40-200tons diesel oil, this data depend on the diesel oilquality ,the silica gel mainly wash the oil whose densityis not big, like gasline, diesel oil, hydraulic oil, ect. Sample is available for your test. Item number 1*20ftloading capacity 1*40ft loading capacity Packing method HZTS0009 11 tons 26 tons 20kg/bag Detailed Photos