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