B - Operations – Transporting – 09 – C
Patent
B - Operations, Transporting
09
C
B09C 1/10 (2006.01)
Patent
CA 2478919
A bioremediation of subsurface soil formations contaminated with hazardous wastes is achieved by hydraulic fracturing of the subsurface soil formation with simultaneous introduction of sodium percarbonate coated with polyvinylidene chloride as a solid oxygen source (SOS) for establishing colonies of the biodegrading bacteria within the fractures of the soil formation.
Cette invention a trait à la biorestauration de la couche inférieure d'un sol contaminé par des déchets dangereux. On procède à cette biorestauration en fracturant avec des moyens hydrauliques cette couche inférieure et en y introduisant en même temps du percarbonate de sodium enrobé de chlorure de polyvinylidène comme source solide d'oxygène et ce, afin de constituer des colonies de bactéries ayant une activité biodégradante dans les fractures ménagées dans le sol.
Davis-Hoover Wendy Jo.
Vesper Stephen Joseph
Hill & Schumacher
U.s. Environmental Protection Agency
LandOfFree
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