Liquid purification or separation – Processes – Including geographic feature
Reexamination Certificate
2007-01-09
2007-01-09
Mitchell, Katherine (Department: 3677)
Liquid purification or separation
Processes
Including geographic feature
C210S758000, C210S759000, C405S128500, C405S128750, C405S128450
Reexamination Certificate
active
10976089
ABSTRACT:
A method for remediation of contaminants in soil and groundwater is disclosed. The method generates oxygen releasing solids in groundwater or soil by injecting an aqueous energetic oxidant solution containing free radicals, oxidative conditions can be created within or ahead of a contaminant plume. Some contaminants may be remediated directly by reaction with the free radicals. Additionally and more importantly, the free radicals create an oxidative condition whereby native or injected materials, especially metals, are converted to peroxides. These peroxides provide a long-term oxygen reservoir, releasing oxygen relatively slowly over time. The oxygen can enhance microbial metabolism to remediate contaminants, can react with contaminant metals either to form immobile precipitants or to mobilize other metals to permit remediation through leaching techniques. Various injection strategies for injecting the energetic oxidant solution are also disclosed.
REFERENCES:
patent: 4591443 (1986-05-01), Brown et al.
patent: 5264018 (1993-11-01), Koenigsberg et al.
patent: 5700107 (1997-12-01), Newton
patent: 5741427 (1998-04-01), Watts et al.
patent: 6019548 (2000-02-01), Hoag
patent: 6206098 (2001-03-01), Cooper
patent: 6268205 (2001-07-01), Kiest et al.
patent: 6319328 (2001-11-01), Greenberg et al.
patent: 6623211 (2003-09-01), Kukor
patent: 6623646 (2003-09-01), Bryant
patent: 6746180 (2004-06-01), Kukor
patent: 6843618 (2005-01-01), Lundy
patent: 2002/0002983 (2002-01-01), Greenberg et al.
patent: 2002/0034421 (2002-03-01), Kukor et al.
patent: 2002/0110509 (2002-08-01), Lundy
patent: 2003/0143030 (2003-07-01), Greenberg
patent: 2003/0210957 (2003-11-01), Kukor et al.
patent: 2004/0165956 (2004-08-01), Greenberg
patent: 2005/0058512 (2005-03-01), Looney et al.
Defibaugh, S.T., and Fischman, D.S., 1999, Biodegradation of MTBE utilizing a magnesium peroxide compound-A case study, in Alleman, B.C., and Leeson, Andrea, eds., In Situ Bioremediation of Petroleum Hydrocarbons and Other Organic Compounds, V. 3, Fifth International In Situ and Onsite Bioremediation Symposium, San Diego, Calif., Apr. 19-22, 1999 [Proceedings]: Battelle Publications, p. 1-6.
EPA, Treatment Technologies for Site Cleanup: Annual Status Report (11thEd); EPA-542-R-03-009, Feb. 2004, downloaded from http://clu-in.org/download/remed/asr/11/asr.pdf, pp. 1,3, and 175 (D27).
Regenesis, Oxygen Release Compounds (ORC®), undated, downloaded from http://www.environmental-expert.com/technology/regenesis/sub-products.htm, 10 pages.
Regenesis, Oxygen Release Compounds (ORC®), undated, downloaded from http://www.environmental-expert.com/technology/regenesis/ORC%20Brochure.pdf, 2 pages.
Defibaugh et al. “Biodegradation of MTBE Utilizing a Magnesium Peroxide Compound: A Case Study”, from www.environmental-center.com/articles/article 1035/article1035.htm; EnvironmentalExpert.com Articles, published 2001 (month unknown) pp. 1-6.
Reed et al. “JP-4/JP-8 Bioremediation Using ORC Pumped into Semi-Permanent Injection Wells”, from www.environmental-center.com/articles; EnvironmentExpert.com Articles, Presented Jun. 3-7, 2001 pp. 1-7.
Denham Miles E.
Looney Brian B.
McNair Law Firm, P.A.
Mitchell Katherine
Westinghouse Savannah River Company LLC
LandOfFree
In-situ generation of oxygen-releasing metal peroxides does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with In-situ generation of oxygen-releasing metal peroxides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In-situ generation of oxygen-releasing metal peroxides will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3777322