Patents Assigned to H.C. Starck GbmJ
  • METHOD FOR PRODUCING AMMONIUM HEPTAMOLYBDATE
    Publication number: 20100008846
    Abstract: A method for preparing ammonium heptamolybdate with the steps of: i) adding a molybdenum-containing organic phase to a liquid-liquid reextraction apparatus or to a desorption apparatus and adding an ammonia-containing aqueous solution to this reextraction or desorption apparatus, and ii) directly cold-crystallizing ammonium heptamolybdate by cooling the resulting reextraction or desorption solution.
    Type: Application
    Filed: January 29, 2008
    Publication date: January 14, 2010
    Applicant: H.C. Starck GbmJ
    Inventors: Viktor Stoller, Michael Erb, Juliane Meese-Marktscheffel, Benno Decker