Patents Assigned to REMONDIS PRODUCTION GMBH
  • METHOD FOR RECOVERING POTASSIUM SULPHATE FROM BIODIESEL PRODUCTION
    Publication number: 20130230439
    Abstract: A method is disclosed for treating residues from biodiesel production for the isolation of highly pure potassium sulphate from potassium sulphate-containing sludge. First, potassium sulphate-containing sludge from biodiesel production is heated in the first stage under non-oxidizing conditions to a material temperature between 400 and 700° C.; in a second stage the product from the first stage is heated under oxidizing conditions to material temperatures between 700 and 900° C.
    Type: Application
    Filed: November 16, 2011
    Publication date: September 5, 2013
    Applicant: REMONDIS PRODUCTION GMBH
    Inventors: Andreas Huebner, Alfred Schiffer