Patent 5741427 Issued on April 21, 1998. Estimated Expiration Date: March 14, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
210/747, Including geographic feature (e.g., drainage ditch, septic, pond)210/758, By oxidation210/759, Utilizing peroxy compound (e.g., hydrogen peroxide, peracid, etc.)210/763, Catalytic502/325Of Group VIII (i.e., iron or platinum group)
A method of treating contaminants in soil and/or groundwater comprising adding a source of an oxidizing agent and a reaction product complex of a ligand donor and a metal catalyst to the in situ environment and the reaction product complex employed therein.
Other References
Vesper et al.; "Solid Oxygen Source for Bioremediation in Subsurface Soils"; Journal of Hazardous Materials, 36 (1994) 265-274
Watts et al.; "Hazardous Wastes Assessment, Management, and Minimization"; Water Environment Research, vol. 66, No. 4, pp. 435-440, Jun. 1994
Watts et al.; "Oxidation of Sorbed Hexachlorobenzene in Soils Using Catalyzed Hydrogen Peroxide"; Journal of Hazardous Materials, 39 (1994) 33-47
Watts et al., "Use of Iron Minerals in Optimizing the Peroxide Treatment of Contaminated Soils"; Water Environment Research, vol. 65, No. 7, pp. 839-844, Nov./Dec. (1993)
Tyre et al.; "Treatment of Four Biorefractory Contaminants in Soils Using Catalyzed Hydrogen Peroxide"; Journal of Environmental Quality, vol. 20, No. 4, Oct.-Dec. 1991, pp. 832-838
Martens et al.; Feasibility of In Situ Chemical Oxidation of Refractile Chlorinated Organics by Hydrogen Peroxide-Generated Oxidative Radicals in Soil; Emerging Technology for Bioremediation of Metals, pp. 74-84
Alexander; "Biodegradation of Organic Chemicals"; Environ. Sci. Technol., vol. 18, No. 2, 1985, pp. 106-111
Barbeni et al.; "Chemical Degradation of Chlorophenols with Fenton's Reagent"; Pergamon Journals Ltd., vol. 16, Nos. 10-12, pp. 2225-2237; 1987
Baxendale et al.; "The Oxidation of Benzene by Hydrogen Peroxide and Iron Salts"; Disc. Faraday Soc., 14:160-167 (1953)
Bowers et al.; "Treatment of Toxic or Refractory Wastewaters with Hydrogen Peroxide"; Wat. Sci. Tech., vol. 21, Brighton, pp. 477-486, 1989
Dorfman et al.; "Reactivity of the Hydroxyl Radical in Aqueous Solutions"; National Standard Reference Data System; Issued Jun. 1973; pp. 1-62
Edkenfelder; "Industrial Water Pollution Control"; Second Edition; Chapter 10, pp. 300-311
Eisenhauer; "Oxidation of Phenolic Wastes"; Journal WPCF, vol. 36, No. 9, pp. 1116-1128 (1964)
Fenton; "Oxidation of Tartaric Acid in Presence of Iron"; Journal of the Chemical Society, 65, 897-910 (1894)
Larsen et al.; "The Effect of pH and Buffer Ions on the Degradation of Carbohydrates by Fenton's Reagent"; Acta Chemica Scandinavica, 21 (1967) 552-564
Murphy et al.; "A Fenton-like Reaction to Neutralize Formaldehyde Waste Solutions"; Environ. Sci. Technol., 1989, 23, 166-169
Pardieck et al.; "Hydrogen Peroxide use to Increase Oxidant Capacity for In Situ Bioremediation of Contaminated Soils and Aquifiers: A Review"; Journal of Contaminant Hydrology, 9(1992) 221-242
Walling; "Fenton's Reagent Revisited"; Accounts of Chemical Research; pp. 126-131 (1974)
Watts; "Hydrogen Peroxide for Physicochemically Degrading Petroleum-Contaminated Soils"; Remediation, Autumn 1992, pp. 413-425
Cosgrove et al.; "The Oxidation of Phenols with the Free Hydroxyl Radical"; Paper -ACS Meeting 1950, pp. 1726-1730
Spain et al.; "Excessive Bacterial Decomposition of H2 O2 During Enhanced Biodegradation"; vol. 27, No. 2 -Ground Water -Mar.-Apr. 1989, pp. 163-167
Piotrowski; "In Situ Groundwater Bioremedation Case History Contaminated Aquifer"; Hazardous Waste Management Magazine, Apr. 1989, pp. 20-21
Piotrowski; "In Situ Designs For Aquifer Cleanup"; Environmental Protection; May 1992; pp. 34-49
Barcelona et al.; "Oxidation-Reduction Capacities of Aquifer Solids"; Environ. Sci. Technol, vol. 25, No. 9, 1991; pp. 1565-1572
Watts et al.; "Treatment of Pentachlorophenol-Contaminated Soils Using Fenton's Reagent"; Hazardous Waste & Hazardous Materals; vol. 7, No. 4, 1990; pp. 335-34