B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
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Patent
CA 2119021
2119021 9306952 PCTABS00021 Heavy metals are efficiently removed from contaminated soil by a process which comprises leaching or washing the soil with a mild leachant solution comprised of an aqueous solution of an acid and a salt. Heavy metals are also efficiently removed from paint chips by washing with an aqueous acid. The heavy metals are recovered from the leachant by cementation.
Cassel Jonathan M.
Elliott Dana K.
Fristad William E.
Virnig Michael J.
Cognis Inc.
Fetherstonhaugh & Co.
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