| 摘要 |
<p>The invention pertains to a method for purifying crude biodiesel, wherein said crude biodiesel is contacted with a clay material, said clay material having: a surface area of more than 120 m2/g; a total pore volume of more than 0.35 ml/g; a silicon content, calculated as Siθ2, of at least 60 wt.-%.</p> |
