Patents Assigned to City of Hagen
  • Process for the manufacture of milk of lime
    Patent number: 5876689
    Abstract: During the manufacture of milk of lime by the suspension of lime hydrate which has a large specific surface and was manufactured with the use of organic solvents and/or organic additives, a stable foam forms which can cause problems in the equipment. This foaming can be prevented during the suspension of the modified lime hydrate in water by the presence of finely-powdered activated cokes.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: March 2, 1999
    Assignees: Rheinische Kalksteinwerke GmbH, Deutsche Babcock Anlagen GmbH, City of Hagen
    Inventors: Michael Webeling, Ulrich Glinka, Jurgen Labuschewski, Walter Hess