PURIFICATION OF BIODIESEL BY MEANS OF ALLOPHANE AND/OR IMOGOLITE

摘要

The invention relates to a process for purifying biodiesel, wherein a crude biodiesel is admixed with an adsorbent which comprises allophone and/or imogolite, a pure biodiesel being obtained after removal of the adsorbent and having a lower level of impurities than the crude biodiesel.