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Class 71/12 - From sewage or night soil


Subclass of Class 71 - Chemistry: fertilizers
Definition: Processes of preparing fertilizer from sewage or night soil,
No. of patents: 155
Last issue date: 10/28/2008


1        
NumberTitleIssue Date
7442224Fertilizer 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
7425271Method 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
7361283Extraction 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
7314561Method 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
7288196Plant 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
7285217Removing 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
7285255Deodorizing 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
7267773Integrated 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
7261208Method 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
7175683Process 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
7169204Sewage 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
7153471Method 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
7138049Apparatus 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
7135116Process 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
7115170Portable 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
7087172Methods 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
7070693Process 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
7044994Fertilizer 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
6974546Diffuser/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
6966941Sewage 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
6922941Method 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
6878179Fertilizer 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
6863826Animal 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
6800109Organic 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
6777469Urea 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
6767381Method 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
6758879Sewage 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
6752849Method 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
6752848Method 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
6733558Beneficiated 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
6682578Methods 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
6569342Process 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
6565744Waste 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
6503287System 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
6497741Methods 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
6409788Methods 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
6406510Methods 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
6407038Method 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
6402801Method 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
6398840Process 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
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