made in china best quality bleaching earth for oil decolorization
Silica gel bleaching sand is made of silica gel, 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 50-200tons waste diesel oil, its quantity depend on your diesel oil quality , why choose it ?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