...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7442224 | Fertilizer compositions and methods of making and using same Fertilizer compositions for plant production are described, comprised of decontaminated manure and Bacillus spores, preferably a humic acid derived from lignite and, optionally, one or more of N compounds, P compounds, K compounds, and combinations of two or ... | 10/28/2008 |
| 7425271 | Method for treating sludge Sludge can be treated by placing it in a carrier sized for bulk shipment of sludge by road or by rail. An antipathogenic substance such as lime is mixed into the sludge located in the carrier in order to treat pathogens in the sludge. At least one mixer adapted for ... | 09/16/2008 |
| 7361283 | Extraction and treatment of heavy metals Contaminated waste streams or soil or sludge is subjected to a first treatment stage with an acid liquor at a pH below 2 and at a solids content from 5 to 30%; then the liquid and solid phases from the first treatment stage are separated; the solids from the first t... | 04/22/2008 |
| 7314561 | Method for purifying water An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes bioremediating water to be treated with cultured algae or another suita... | 01/01/2008 |
| 7288196 | Plant matter packaging method An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes bioremediating water to be treated with cultured algae or another suita... | 10/30/2007 |
| 7285217 | Removing odoriferous sulfides from wastewater A synergistic composition is provided for controlling odor from waste products. The composition comprises a combination of nitrate salt, sulfide-consuming compound, pH-elevating compound, sulfide-oxidizing, nitrate-reducing bacteria, and sulfide-oxidizing enzyme. Th... | 10/23/2007 |
| 7285255 | Deodorizing and sanitizing employing a wicking device A device and method for sanitizing and deodorizing including the selective transportation of a sanitizing composition by the capillary action of a wick to an acidic composition which may be held in a reservoir, or which also may be selectively transported through th... | 10/23/2007 |
| 7267773 | Integrated system and method for purifying water, producing pulp and paper, and improving soil quality An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes bioremediating water to be treated with cultured algae or another suita... | 09/11/2007 |
| 7261208 | Method and installation for drying sludge Apparatus and method for drying sludge, in particular sewage sludge, by creating a granulate from the dried product. A mixture of a carrier material consisting of recycled sludge which has already been dried and liquid sludge is fed to a dryer 6. The dried pr... | 08/28/2007 |
| 7175683 | Process for transforming sludge into NPK type granulated fertilizer A process for transforming sludge into npk type granulated fertilizer in which the energy consume is reduced a 90% thanks to the addition of a special filtration step in which the water content is reduced a 50% and the remaining water is evaporated by the exothermic... | 02/13/2007 |
| 7169204 | Sewage sludge recycling with a pipe cross-reactor An improved process for enhancing the plant nutrient value of relatively low analysis organic waste material (e.g., sewage sludge) involves treating the waste material with an acid and base in a pipe-cross reactor. The process more particularly involves mixing the w... | 01/30/2007 |
| 7153471 | Method of decontamination of whole structures and articles contaminated by pathogenic spores A method of decontaminating a structure contaminated by pathogenic microorganisms such as bacillus anthracis and its spores, B. subtilis var niger and its spores, and B. stearothermophilus and its spores. The steps include sealing a conta... | 12/26/2006 |
| 7138049 | Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater A method and apparatus for treating wastewater streams by adding, either separately or as a mixture, a nitrate containing compound and an alkaline material in an amount sufficient to achieve a lower concentration of atmospheric hydrogen sulfide and dissolved sulfide... | 11/21/2006 |
| 7135116 | Process for recovery of nutrients from wastewater The present invention relates to a process for treating a wastewater comprising an ammonium ion species and a phosphorus ion species. The process comprises the steps of: (i) treating the effluent in a first stage of the process to convert the phosphorus to a phospho... | 11/14/2006 |
| 7115170 | Portable bulk product melt system A bulk product melt system including a portable support platform positionable with respect to a bulk product source vessel. A water heating system is positioned with respect to the support platform and includes a water tank, which contains a volume of water heated t... | 10/03/2006 |
| 7087172 | Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater A method and apparatus for treating wastewater streams by adding, either separately or as a mixture, a nitrate containing compound and an alkaline material in an amount sufficient to achieve a lower concentration of atmospheric hydrogen sulfide and dissolved sulfide... | 08/08/2006 |
| 7070693 | Process for treating septage A process and apparatus for the treatment of septage, particularly grease trap waste, is disclosed. The inventive process will convert the septage into Biosolids (sludge) and water dischargeable to the environment. The treated septage achieves pathogen reduction, an... | 07/04/2006 |
| 7044994 | Fertilizer compositions and methods of making and using same Fertilizer compositions for plant production are described, comprised of decontaminated manure and Bacillus spores, preferably a humic acid derived from lignite and, optionally, one or more of N compounds, P compounds, K compounds, and combinations of two or ... | 05/16/2006 |
| 6974546 | Diffuser/emulsifier for aquaculture applications A method of treatment of water in an aquatic environment. Water is first pumped from a reservoir to a first mixing station. An inert gas is introduced into the pumped water at the first mixing station to provide inert gas saturated water, which inert gas saturated w... | 12/13/2005 |
| 6966941 | Sewage sludge treatment An apparatus and method for treating organic waste sludge such as sewage sludge is disclosed wherein the sludge is first dewatered, moved to a day hopper for storage, and then successively passed through first and second reactors. As the sludge is passed through the... | 11/22/2005 |
| 6922941 | Method for making a plant-cultivating web from excretive sludge of domestic animals A method for making a plant-cultivating web or sheet from excretive sludge of domestic animals includes collecting sludge; concentrating the sludge; stabilizing the sludge; dehydrating the sludge; mixing the sludge with polyvinyl acetate (PVAC), wherein the mixing r... | 08/02/2005 |
| 6878179 | Fertilizer compositions and methods of making and using same Fertilizer compositions for plant production are described, comprised of decontaminated manure and Bacillus spores, preferably a humic acid derived from lignite and, optionally, one or more of N compounds, P compounds, K compounds, and combinations of two or ... | 04/12/2005 |
| 6863826 | Animal waste effluent treatment Animal waste such as fecal material from swine, chicken, turkey, and cattle is converted into useful forms such as fertilizer, other types of soil builders, and even nutrient feed additives. Devices, systems, and methods are provided that allow economical conversion... | 03/08/2005 |
| 6800109 | Organic waste treatment system An organic waste treatment process, for treating pathogen containing organic sludge and producing pathogen free liquid acidic fertilizer. Concentrated sulfuric acid is added to the organic sludge on a one-to-one basis with solids contained within the sludge. The con... | 10/05/2004 |
| 6777469 | Urea condensate-sewer sludge products Aqueous or solid nitrogen containing compound compounds are produced by heating urea with wet solid sewer sludge thereby producing a urea-urea condensate-sewer sludge composition in a process to dry out the sewer sludge. The urea reacts with itself and with the comp... | 08/17/2004 |
| 6767381 | Method of producing compost tea and apparatus therefor Method of producing compost tea by passing an aqueous solution over and through a basket containing compost. This flow leaches and washes microorganisms and nutrients from compost and other organisms and nutrient-rich materials from the basket into the culture tank.... | 07/27/2004 |
| 6758879 | Sewage sludge recycling with a pipe cross-reactor An improved process for enhancing the plant nutrient value of relatively low analysis organic waste material (e.g., sewage sludge) involves treating the waste material with an acid and base in a pipe-cross reactor. The process more particularly involves mixing the w... | 07/06/2004 |
| 6752849 | Method for disinfecting and stabilizing organic wastes with mineral by-products Disclosed is a method of disinfecting and stabilizing organic wastes wherein organic waste is intimately mixed with one or more mineral by-products to produce a mixture having a pH of less than about 9. The mixture is heated and dried to produce a stable, granular b... | 06/22/2004 |
| 6752848 | Method for disinfecting and stabilizing organic wastes with mineral by-products A method of disinfecting and stabilizing organic wastes where organic waste is intimately mixed with one or more mineral by-products to produce a mixture having a pH of less than about 9. The mixture is heated and dried to produce a stable, granular bio-mineral prod... | 06/22/2004 |
| 6733558 | Beneficiated sludge A beneficiated sludge solids composition comprising digested municipal sewage sludge, ammonium sulfate, and superphosphoric acid. Alternatively, a beneficiated sludge solids composition comprising digested municipal sewage sludge, ammonium sulfate, mineral acid and ... | 05/11/2004 |
| 6682578 | Methods for producing fertilizers and feed supplements from agricultural and industrial wastes Integrated waste treatment and fertilizer and feed supplement production methods to be implemented at organic waste source sites, at remote treatment sites, or partially at the organic waste source site and at a remote location, whether in small or large ... | 01/27/2004 |
| 6569342 | Process for treating waters, soils, sediments and/or silts A 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 immobiliz... | 05/27/2003 |
| 6565744 | Waste water cleaning system The present invention provides treatment of wastewater containing oil, organic and inorganic industrial compounds, urea, and e.t.c. The resulting products will be purified water, dry fertilizer, pure carbomide, uncontaminated gas and liquid fuel, and othe... | 05/20/2003 |
| 6503287 | System and method of soil distribution, such as a soil blend, capable of being blown into place A soil distribution system, and particularly a method of blowing topsoil, using an improved topsoil blend and specialized equipment, onto selected surfaces, including sloped surfaces. The topsoil blend may be placed either via traditional or selected plac... | 01/07/2003 |
| 6497741 | Methods for producing fertilizers and feed supplements from agricultural and industrial wastes Integrated waste treatment and fertilizer and feed supplement production methods to be implemented at organic waste source sites, at remote treatment sites, or partially at the organic waste source site and at a remote location, whether in small or large ... | 12/24/2002 |
| 6409788 | Methods for producing fertilizers and feed supplements from agricultural and industrial wastes Integrated waste treatment and fertilizer and feed supplement production methods to be implemented at organic waste source sites, at remote treatment sites, or partially at the organic waste source site and at a remote location, whether in small or large ... | 06/25/2002 |
| 6406510 | Methods for treating wastewater sludge This invention relates to methods for treating wastewater sludge cake with acid and calcium carbonate under acidic, low heat conditions to produce a stable, soil-like or granular, finished product containing calcium carbonate, useful as a nitrogen fertili... | 06/18/2002 |
| 6407038 | Method for controlling plant-parasitic nematodes A method for controlling Tylenchid plant-parasitic nematodes through application of an effective amount of an alkaline-stabilized sludge is described. In accordance with particular embodiments, the alkaline-stabilized sludge may be applied to the plant, s... | 06/18/2002 |
| 6402801 | Method for treating ammonia-containing organic waste A method is described for treating animal manures and other organic wastes to destroy pathogens, reduce noxious odors, and immobilize water-soluble pollutants, thereby producing a pasteurized, granular product useful as a soil amendment. In a described im... | 06/11/2002 |
| 6398840 | Process for treating sludge A process for treating sludge comprising the addition of sulphuric acid and anhydrous ammonium to the sludge inside a granulator in order to produce an exothermic reaction which generates sufficient heat to evaporate the water contained in the sludge, thu... | 06/04/2002 |