Patent ID: 6207055
Filing Date: 2001-03-27
Classification: B01F,B09C

Abstract:
A method for forming and expelling a slurry, comprising the following steps:providing a vessel, the vessel having a cylindrical vessel wall, a downwardly-sloped floor joined to the vessel wall and an outlet in about the center of the downwardly-sloped floor; the cylindrical vessel wall having an interior surface and a top;providing a first baffle along the interior surface of the vessel wall; the first baffle comprising a longitudinal slope;providing a fluid inlet to within the vessel;injecting a fluid stream into the vessel through the fluid inlet, the fluid stream being directed downwardly by the longitudinal slope of the baffle, the fluid being thereby sent into a downward and curvilinear flow along the interior surface of the vessel wall;providing a granular material in the vessel, wherein the granular material is a contaminated soil;mixing the granular material with the fluid having a downward and curvilinear flow to form a slurry; andflowing the slurry through the outlet of the vessel to expel the slurry.