Patents by Inventor Dietmark Erbse

Dietmark Erbse has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for drying radioactive waste water concentrates from evaporators
    Patent number: 4314877
    Abstract: Drying radioactive waste water concentrates from evaporators to produce a dried product of low residual moisture by(a) preheating a waste water concentrate with a solids content of at most 20% by weight to a temperature of 50.degree.-70.degree. C.,(b) passing the preheated concentrate with a solids content of at most 20% by weight into a two-cylinder drier at the rate of 10 to 20 liters per square meter of usable cylinder surface per hour,(c) maintaining the cylinder temperature between about 160.degree. to 210.degree. C.,(d) retaining the concentrate in the drier for a residence time of 7 to 18 seconds on the cylinder to produce a dried product of low residual moisture on the cylinder surface, and(e) discharging the dried product of low residual moisture from the cylinder surface.
    Type: Grant
    Filed: October 28, 1980
    Date of Patent: February 9, 1982
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Horst Queiser, Othmar Meichsner, Dietmark Erbse