Patents Assigned to Sevar Entsorgungsanlagen GmbH
  • Down-draft fixed bed gasifier system and use thereof
    Patent number: 6112677
    Abstract: A down-draft gasification reactor has a solids storage chamber bordered from below by a grate and having an oxidation zone, a product gas collection region disposed beneath the grate, a product gas line for discharging out-gassed product gas from the product gas collection region, a slag-separation device disposed above the grate, and a discharge mechanism downstream of the grate for transporting the separated slag out of the reactor.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: September 5, 2000
    Assignee: SEVAR Entsorgungsanlagen GmbH
    Inventors: Walter Kuntschar, Werner Marzluf, Rudolf Porsch, Arno Siegenthaler, Rainer Wennemar
  • Method and apparatus for drying sewage sludge
    Patent number: 4768292
    Abstract: Described are a method of drying sewage sludge and an apparatus for carrying out the method, wherein the liquid sewage sludge is converted into a pastry consistency in a predrying means (10), the pastry sewage sludge is then put into the form of particles of relatively large surface area in a shaping means (16), and the particles are thereafter exposed to a stream (52) of drying gas in a drying means (48).
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: September 6, 1988
    Assignee: Sevar Entsorgungsanlagen GmbH
    Inventor: Jurgen Manzei