Patents Assigned to Hanover Battelle Institut E.V.
  • Patent number: 4842773
    Abstract: The invention is directed to a method for producing a cement product for terminal storage of tritium water wherein activated bentonite capable of swelling is dispersingly mixed with the tritium water and the suspension obtained thereby is subjected to a swelling operation. The swollen suspension is dispersingly mixed with cement. The cured product has a water content of over 75% by weight.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: June 27, 1989
    Assignees: Deutsche Gesellschaft fur Wiederaufarbeitung von Kernbrennstoffen mbH, Hanover Battelle Institut E.V.
    Inventors: Willfried Kunz, Winfried Gramatte, Rolf-Erhard Schmitt, Udo Pohl