Method for effecting the desorption of ionic species from a soil

Details Method for effecting the desorption of ionic species from a soil Method for effecting the desorption of ionic species from a soil

1991-04-08

1993-11-16

Jones, W. Gary

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2041582, 2041822, B01J 1912

Patent

active

052620247

ABSTRACT:
Applying a desorbing wave energy to a soil matrix can effect desorption of ionic species which are associated with the matrix. This method is especially applicable to decontamination of soils to which metals and/or radioactive isotopes are adsorbed. The desorbing energy may be microwave energy, sonic or ultrasonic energy, etc., or combinations thereof. An electromagnetic potential also can be applied to the matrix to enhance desorption and or migration of the species. An electrolyte also may be added to the matrix to enhance desorption and or migration of the species.

REFERENCES:
patent: 4747920 (1988-05-01), Muralidhara et al.
patent: 4882021 (1989-11-01), Barnhart
patent: 4978508 (1990-12-01), Hansen et al.
patent: 5098538 (1992-03-01), Kim et al.
Hideo Okabe, Photochemistry of Small Molecules, 1978, John Wiley & Sons, Inc, p. 58.
Douglas Skoog & Donald West, Principles of Instrumental Analysis, 1971 by Holt, Rinehart & Winston, Inc, pp. 5, 13.

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