Patents Assigned to Bayer MaterialsScience AG
  • Publication number: 20100324256
    Abstract: A process is described for producing polycarbonate and utilizing at least some of the process waste water by concentrating the sodium chloride-containing waste water phases for the electrolysis using osmotic membrane distillation, if appropriate with simultaneous dilution of the sodium hydroxide solution obtained from the electrolysis for the polycarbonate production process.
    Type: Application
    Filed: May 21, 2010
    Publication date: December 23, 2010
    Applicant: Bayer MaterialsScience AG
    Inventors: Pieter Ooms, Andreas Bulan, Rainer Weber, Johann Rechner, Michael Traving