Method for clean-up of soils or refuse materials contaminated wi

Details Method for clean-up of soils or refuse materials contaminated wi Method for clean-up of soils or refuse materials contaminated wi

1995-03-31

1996-07-09

Lithgow, Thomas M.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

209 10, 209 121, 209 17, 209166, 210806, 210908, 134 19, 134 251, 134 40, B01D 17035, B01D 1102, B09B 500

Patent

active

055341586

ABSTRACT:
A process is provided for clean-up of soils contaminated with highly viscous coal tar and/or petroleum derived organics. This new invention is based on application of the modified Clean Soil Process integrated with modified thermal desorption technology. This new invention utilizes the unexpected advantages of integration of the Clean Soil Process and conventional thermal desorption which cannot, when applied separately or in sequence (Clean Soil Process followed by Conventional Thermal Desorption), furnish satisfactory clean-up, but when integrated have the capacity to clean the most difficult contaminated soils (including soils contaminated by manufactured gas plants) to about 100 ppm, or less of total soluble organics and less than 3 ppm of PAH's.

REFERENCES:
patent: 4783263 (1988-11-01), Trost
patent: 5019245 (1991-05-01), Ignasiak

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