Patents Assigned to IFP Energies Novelles
  • Method of monitoring adsorbent bed breakthrough in a process for producing alkyl esters from vegetable or animal oil and from an aliphatic monoalcohol
    Patent number: 8518707
    Abstract: A method of monitoring breakthrough of an adsorbent bed consisting for example of ion-exchange resins, used during a stage of purification of an ester stream containing glycerin, obtained for example in a vegetable or animal oil and aliphatic monoalcohol transesterification process, permits the instantaneous detection of the presence of glycerol (glycerin) in the ester stream by arranging a turbidimeter at the adsorbent bed outlet.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: August 27, 2013
    Assignee: IFP Energies Novelles
    Inventors: Abdelhakim Koudil, Karin Barthelet, Laurent Bournay