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| Number | Title | Issue Date |
| 7332026 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/19/2008 |
| 7326291 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/05/2008 |
| 7303015 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 12/04/2007 |
| 7285164 | Fluid loss additives for cement slurries Methods for cementing in a subterranean zone, which use a cement composition that includes zeolite, cementitious material, proportioned fluid loss control additives and a mixing fluid. Cement compositions containing proportioned fluid loss control additives, and met... | 10/23/2007 |
| 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 |
| 7141169 | Method and apparatus for biosustaining waste activated vermicular environment A system for processing sewage into vermicompost includes a holding tank for receiving and initially processing the sewage. A treatment tank, connected to the holding tank by a first pipe, is used for treating the initially processed sewage from the holding tank to ... | 11/28/2006 |
| 7128880 | Organic recycling with a pipe-cross or tubular reactor The invention is directed to a 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 or tubular to form a melt; sprayin... | 10/31/2006 |
| 7029202 | Method for treating metal-contaminated water and soil A method for removing metal contaminants from water uses lignin derivatives, such as lignosulfonates and kraft lignin, a coagulant, such as a metal salt, and a pH-increasing composition. The lignin derivative is dispersed in the contaminated water, the coagulant is ... | 04/18/2006 |
| 7029512 | Method for producing concentrated vermicompost Disclosed is a method for enhancing the concentration of vermicompost comprising the steps of liquefying and agitating a vermicompost feedstock; separating large bodies from the liquefied feedstock and further separating the remaining portion into first and second s... | 04/18/2006 |
| 7001773 | Artificial testing soil and method of testing An artificial test soil is composed of particulate, hair, and fiber components, wherein the particulate component consists of mineral, food, and plant materials, so chosen and proportioned as to correlate to a typical soil found in the home. The test soil may be use... | 02/21/2006 |
| 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 |
| 6936087 | Soil conditioning agglomerates containing calcium Mechanically strong, water-disintegrable agglomerates made from a particulate calcium source, a water-soluble binder and optionally containing a primary plant nutrient source and/or micronutrient source and a process for forming such agglomerates are disclosed. The ... | 08/30/2005 |
| 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 |
| 6808636 | Treatment of sewage sludge A method for reducing sludge viscosity of a sewage sludge having a solids concentration of at least 10% (w/w). The method comprises the steps of increasing the pH of the sludge to 9.5-12.5%, at least one step selected from subjecting the sludge to a holding step of ... | 10/26/2004 |
| 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 |
| 6776914 | Process for treating liquid septage A process for treating liquid septage and other biosolids having the steps of placing a known amount of liquid septage in a tank, mixing in a sufficient quantity of alkaline material to raise the pH to a desired level, flocculating the septage, storing the pH adjust... | 08/17/2004 |
| 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 |
| 6585900 | Process for the treatment of sludge A process for the treatment of sludge which produces a dry sludge free of pathogenic and non-pathogenic microorganisms enriched with nitrogen which can be used as a fertilizer, and which uses as raw materials: elemental sulfur, formaldehyde, ammonia, urea... | 07/01/2003 |
| 6528569 | Solid water-soluble or water-dispersible compositions The invention provides processes for producing solid, water-soluble or water-dispersible compositions comprising non film-forming materials, such as water-soluble agrochemical electrolytes, supported by film-forming polymers. The water-soluble agrochemica... | 03/04/2003 |
| 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 |
| 6458179 | Soil activator A new and improved fertilizer is disclosed herein. The method for producing the fertilizer produces a substantially odor free fertilizer that produces substantially larger plants than the known fertilizers. The fertilizer includes shredded rubber, coal du... | 10/01/2002 |
| 6419722 | Recycled soil A process for making an artificial soil includes first combining the volume percentages of the following substances: 1-99% materials suitable for use as a blending base; 1-99% cellulose; 0.01-60% bio-solids; 0.01-10% calcium in any form; 0.01-10% charcoal or it's e... | 07/16/2002 |
| 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 |
| 6387146 | Granular fertilizer for plants containing a type of mycorrhizal fungus The invention relates to a granular fertilizer for plants, the grains of said fertilizer containing spores and/or mycellium of at least one type of mycorrhizal fungus in sufficient amounts to ensure symbiosis.... | 05/14/2002 |
| 6383246 | Composting accelerator for plant-derived material The present invention provides a composting accelerator for a plant-derived material, which accelerator comprises wheat bran and/or low-grade flour powder and an organic waste matter and/or organic fertilizer, and optionally a specific composting assistan... | 05/07/2002 |
| 6302936 | Recycled soil A process for making an artificial soil includes first combining the volume percentages of the following substances: 5-95% materials suitable for use as a blending base; 5-95% cellulose; 0.5-50% bio-solids; 0.1-10% calcium; 0.1-5% charcoal; and 0.5-4% ammonium nitr... | 10/16/2001 |
| 6231631 | Compost excellent in fertilizing activity and production method thereof Compost of the present invention has a weight ratio (C/N) of carbon (C) to nitrogen (N) of 9.5 or less on completion of a compost treatment. Further, a method of the present invention for producing the compost comprises the steps of providing a compost ma... | 05/15/2001 |
| 6197081 | Method for bio-refining waste organic material to produce denatured and sterile nutrient products A method for treating infectious organic waste material such as dewatered sewage sludge, mixed organic wastes and animal waste. The method includes mixing the infectious organic waste material with a comminuted organic fibrous material to provide a reacti... | 03/06/2001 |
| 6159263 | 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 m... | 12/12/2000 |
| 6076301 | Solid matrix priming of seeds with microorganisms and selected chemical treatment In the process of the invention, the seed to be treated, a predetermined amount of solid matrix material and a predetermined amount of water are admixed and the mixture allowed to stand, preferably in a container which allows entry of air but which reduce... | 06/20/2000 |
| 6027543 | Method for removing a heavy metal from sludge A method for removing a heavy metal from sludge, including the step of putting the sludge into contact with a treating liquid to dissolve the heavy metal contained in the sludge into the treating liquid. The treating liquid is formed of either A or B, whe... | 02/22/2000 |
| 6007719 | Process for high concentrated waste water treatment using membrane separation The present invention relates to a process for treatment of high concentrated waste water from animal husbandry, human excretion and other high organic waste. This process includes warming, anaerobic digestion, separation with ultra filtration (UF)/revers... | 12/28/1999 |
| 5984992 | 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 mi... | 11/16/1999 |
| 5974734 | Solid matrix priming of seeds with microorganisms and selected chemical treatment In the process of the invention, the seed to be treated, a predetermined amount of solid matrix material and a predetermined amount of water are admixed and the mixture allowed to stand, preferably in a container which allows entry of air but which reduce... | 11/02/1999 |
| 5910050 | Solid matrix conditioning of seeds for sorting purposes In the process of the invention, the seed to be treated, a predetermined amount of solid matrix material and a predetermined amount of water are admixed and the mixture allowed to stand, preferably in a container which allows entry of air but which reduce... | 06/08/1999 |
| 5905039 | Logistic method in a tunnel-composting plant and a corresponding tunnel composting plant A logistic method for transporting and handling materials in a tunnel composting plant, as well as the plant itself includes bringing materials for tunnel composting to the plant. The materials are unloaded into intermediate collection points and composta... | 05/18/1999 |
