Process for treating waters, soils, sediments and/or silts
November 14, 2020. 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.Patent ReferencesMethod for treating waste water Biological wastewater purification with a downstream precipitation stage Phosphate removal from aquaria using immobilized ferric hydroxide In situ treatment of waste water to prevent ground water contamination Process for the detoxification of cyanide-containing aqueous solutions Large-pored molecular sieves containing at least one octahedral site comprising titanium and at least silicon as a tetrahedral site Use of metallic peroxides in biormediation Soil and/or groundwater remediation process Process for activating layered silicates Method for neutralizing organophosphorus agricultural chemicals InventorsAssigneeApplicationNo. 716124 filed on 11/14/2000US Classes:210/714, Seeding71/11, Organic material-containing71/12, From sewage or night soil71/42, Alkaline treatment71/901, REFUSE CONDITIONING210/717, In situ210/721, Including oxidation210/723, Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants210/726, Sequential introduction210/738, Including agitation210/747, Including geographic feature (e.g., drainage ditch, septic, pond)210/759, Utilizing peroxy compound (e.g., hydrogen peroxide, peracid, etc.)210/906, Phosphorus containing210/912, Heavy metal405/128.1, SOIL REMEDIATION405/128.75ChemicalExaminersPrimary: Hruskoci, Peter A.Attorney, Agent or FirmForeign Patent References
International ClassC02F 001/52Foreign Application Priority Data1998-05-14 DEAbstractA method is providing for treating waters, such as standing and flowing waters and waste waters, soils, sediments and/or silts. At least one alkaline earth metal peroxide is brought into contact with such waters or the like, especially to effect immobilization of phosphates and heavy metals except manganese and iron therein.Field of SearchUtilizing aluminum, calcium, or iron containing agentAnions Heavy metal Treating the insoluble substance Including oxidation By chemically modifying or inhibiting dispersed constituent Seeding Including geographic feature (e.g., drainage ditch, septic, pond) Sequential introduction Including agitation Utilizing peroxy compound (e.g., hydrogen peroxide, peracid, etc.) Plural spaced feedings Phosphorus containing Heavy metal In situ Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants Organic material-containing From sewage or night soil Alkaline treatment REFUSE CONDITIONING Chemical Chemical | |
