E - Fixed Constructions – 03 – B
Patent
E - Fixed Constructions
03
B
362/12
E03B 3/15 (2006.01) B09C 1/08 (2006.01) C02F 1/72 (2006.01) A62D 3/00 (2006.01)
Patent
CA 1269183
ABSTRACT: METHOD FOR DECONTAMINATING A PERMEABLE SUBTERRANEAN FORMATION The present invention is a process to oxidize a contaminant in a permeable subterranean formation by introducing an aqueous treating solution into the formation which solution contains hydrogen peroxide and a compound to control the mobility of the aqueous solution by increasing the viscosity, the density, or modifying the interfacial properties of the aqueous solution within the formation. The aqueous treating solution may also contain stabilizers for the hydro- gen peroxide, free radical initiators, or free radi- cal traps. Optionally, the formation may be pre- treated to modify the permeability of the formation, to deactivate or remove hydrogen peroxide decomposi- tion catalyst or to uniformly distribute free radical initiators therein.
494525
Brown Richard A.
Norris Robert D.
Brown Richard A.
International Technology Corporation
Norris Robert D.
Osler Hoskin & Harcourt Llp
LandOfFree
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