B - Operations – Transporting – 09 – C
Patent
B - Operations, Transporting
09
C
B09C 1/02 (2006.01) B01D 61/16 (2006.01) B01J 39/04 (2006.01) B01J 41/04 (2006.01) B09C 1/08 (2006.01) C02F 1/52 (2006.01) C02F 1/68 (2006.01) E21B 43/40 (2006.01) C02F 1/24 (2006.01) C02F 1/28 (2006.01) C02F 1/32 (2006.01) C02F 1/44 (2006.01) C02F 1/56 (2006.01) C02F 1/66 (2006.01) C02F 1/78 (2006.01)
Patent
CA 2307961
The invention relates to a method for removing a contaminant in situ from soil containing the contaminant. by contacting the soil containing the contaminant with a reagent in situ to remove the contaminant from the soil and form a mixture; removing the mixture from the soil; and removing the contaminant from the mixture, wherein the reagent is not citric acid. The invention further relates to a method for removing a contaminant in situ from soil containing the contaminant, by contacting the sail containing the contaminant with a reagent in situ and mobilizing the contaminant by electroremediation to form a mixture containing the contaminant; and removing the contaminant from the mixture. The invention further relates to a method for removing a contaminant from soil in situ containing the contaminant, by contacting the sail containing the contaminant with a chelate in situ to form a mixture containing a contaminant-chelate complex; removing the mixture from the soil; and contacting the mixture with an ion exchange resin, whereby the contaminant-chelate complex is separated from the mixture. The invention further relates to a method of removing a contaminant in situ from soil containing the contaminant, by contacting the soil containing the contaminant: in situ with a chelate to form a first mixture containing a contaminant-chelate complex; removing the first mixture from the soil; chemically destroying the contaminant-chelate complex of the first mixture to produce a second mixture containing the contaminant; and removing the contaminant from the second mixture.
Drummonds David L.
Morris David W.
Redwine James C.
Gowling Lafleur Henderson Llp
Southern Company Services
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