Apparatus and method for soil decontamination
First Claim
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1. An apparatus for decontaminating soil, comprising:
- a mixer;
a first conveyer having an output end connected to an input of said mixer;
first hopper means for holding said soil and distributing it onto an input end of said first conveyor;
second hopper means for holding a catalytic compound and adding it to said distributed soil;
introduction means for introducing an oxidant into said input end of said mixer, said mixer being operable to mix said soil, catalyst and oxidant and thereby provide mixed soil;
a second conveyer operable to collect said mixed soil from an output end of said mixer; and
means for radiating said collected mixed soil with ultraviolet light.
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Abstract
Disclosed is an apparatus and method for relatively rapid, on-site soil decontamination in a confined area without significant toxic off-gassing. The disclosed method includes treating the contaminated soil with both a dry and wet chemical, mixing the chemically treated soil, and exposing the mixed soil to ultra violet light rays.
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Citations
14 Claims
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1. An apparatus for decontaminating soil, comprising:
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a mixer; a first conveyer having an output end connected to an input of said mixer; first hopper means for holding said soil and distributing it onto an input end of said first conveyor; second hopper means for holding a catalytic compound and adding it to said distributed soil; introduction means for introducing an oxidant into said input end of said mixer, said mixer being operable to mix said soil, catalyst and oxidant and thereby provide mixed soil; a second conveyer operable to collect said mixed soil from an output end of said mixer; and means for radiating said collected mixed soil with ultraviolet light. - View Dependent Claims (2, 3, 4, 5)
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6. In the method of soil decontamination, the steps of:
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conveying said soil and a catalyst to a mixer; depositing said soil, said catalyst and an oxidant within said mixer; mixing said soil, said catalyst and said oxidant within said mixer, thereby forming a mixture; transporting said mixture from said mixer; and radiating said transported mixture with ultra violet light. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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Specification