We're one professional oil purifier maker in China, our model "waste vegetable oil purifier" with functions below: 1/. dehydration and degassing containing in oil; 2/. remove out particles,residuals and other impurities in oil; 3/. upgrade waste oil color to new oil color while keeping property of oil; 4/. Is one ideal equipment for being part of biodiesel production and especially before making biodiesel.