Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1993-10-07
1995-06-06
Husar, John
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 24, 241 29, 241 791, B02C 2318
Patent
active
054215277
ABSTRACT:
In accordance with this invention, a method and apparatus for removing contaminants from soil is provided. The invention comprises a classifier to separate oversized particles within the soil, a solid and liquid mixer to mix the soil and an added liquid, an agitator to fully mix the soil and liquid into a substantially homogeneous mixture, a separator wherein the soil and liquid are separated such that the contaminants float to the surface of the liquid, and a dryer wherein remaining excess liquid is removed from the substantially decontaminated soil. A material bin receives the oversized classified particles and a crusher/roller is provided to reduce the oversized material and return it to the classifier. The added liquid may include various chemicals to enhance the separability of the soil and contaminates. The solid and liquid mixer, agitator and separator may comprise of a number of sequential containers whereby separation is accomplished in a number of steps. For example, after a first separation of soil from liquid and contaminates occurs, new liquid may be introduced to further cause additional separation. A filtration device is operatively connected to the separated liquid whereby such liquid is filtered so as to be made reusable within the decontamination process.
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Husar John
K N Energy, Inc.
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