Parkson Corporation

Gregory C Craig

A sand washing apparatus may be used for separating organic material from a mixture comprising sand and organic material. The apparatus may comprise: a wash chamber for accepting a mixture comprising sand and organic material, the chamber including a lower portion; and an agitator comprising a screw having two or more flights extending into the lower portion. A method for recovering sand from a mixture comprising sand and organic material may comprise the steps of: introducing a mixture comprising sand and organic material into a water-filled chamber having a net flow of water in an upwardly direction; allowing organic material from the mixture to ascend in a net upwardly direction and allowing sand from the mixture to descend in a net downwardly direction; subjecting at least a portion of the descending sand to a turbulence; and recovering sand that has descended past the turbulence.

Method and apparatus for washing sand

A disclosed sand washing apparatus may be used for separating organic material from a mixture comprising sand and organic material. The apparatus may comprise: a wash chamber for accepting a mixture comprising sand and organic material, an agitator, a collection chamber, and a conveyor configured to transport sand away from the collection chamber. The disclosed method for recovering sand from a mixture comprising sand and organic material may comprise the steps of: introducing the mixture into a chamber, allowing organic material to ascend while allowing sand to descend, subjecting a portion of the descending sand to a turbulence that creates a lifting action, and recovering sand that has descended past the turbulence.

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Vernon Hills, IL, United States of America

Gregory C Craig