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| Number | Title | Issue Date |
| 8114292 | Method and micro-organism for treating waste water The invention concerns a novel isolated microorganism characterized in that it is capable of: i) transforming Kjeldahl nitrogen, ammonia nitrogen and/or nitrogen oxides into gas nitrogen; and ii) transforming carbonaceous matter into carbon dioxide; both transformat... | 02/14/2012 |
| 7935257 | Use of (lindt) schipper in methods for treating industrial wastewaters containing dyes Use of a fungal biomass for treating industrial wastewaters containing at least one dye and related method, wherein: i. the fungal biomass contains at least the fungal species Rhizomucor pusillus (Lindt) Schipper; ... | 05/03/2011 |
| 7658850 | Mixed bacterial culture for atrazine degradation The present invention provides a mixed bacterial culture, designated as the culture Atz Mix 1, which degrades atrazine at various temperatures (10° C. to 30° C.) in a wide range of atrazine concentrations (several ppb to ten thousand ppm), without formation of tox... | 02/09/2010 |
| 7658849 | Use of (Ehrenberg) Vuillemin in methods for treating industrial wastewaters containing dyes Use of a fungal biomass for treating industrial wastewaters containing at least one dye, wherein: i. the fungal biomass contains at least the fungal species Rhizopus stolonifer (Ehrenberg) Vuillemin; ii. the... | 02/09/2010 |
| 7553420 | Systems and methods for wastewater odor control 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... | 06/30/2009 |
| 7439054 | Bioreactor system for biological degradation of oily sludge A 10,000 gallon sequencing batch reactor tank for the on-site bio-degradation of oily sludge. Bacteria already present in and adapted to oily sludge degrade the hydrocarbons found in oily sludge within two weeks from 20,000 ppm to less than 100 ppm. A degradation cy... | 10/21/2008 |
| 7431839 | Low oxygen biologically mediated nutrient removal The present invention is directed to a substantially odorless biologically mediated treatment process for solid and liquid organic wastes. The present invention also provides for a novel nutrient rich humus material produced from the biologically mediated treatment ... | 10/07/2008 |
| 7422687 | Biotreatment of As-containing hydroxide sludge The invention discloses a biotechnological process for the treatment of hydroxide sludge containing As produced in potable water production processes which use FeCI3 as a coagulant. The process seeks to modify the physicochemical properties of the produce... | 09/09/2008 |
| 7413890 | Methods for anaerobic bioremediation using solid-chemical compositions containing Mn(IV) and Fe(III) Liquid chemical compositions are disclosed for anaerobic biodegradation, detoxification, and transformation of toxic organic and inorganic compounds in a contaminated geologic media under reducing conditions, including, but not limited to, denitrifying, manganese-re... | 08/19/2008 |
| 7407581 | Biodegradation of oxyanions such as perchlorate on ion exchange resins Improved systems and methods for removing the load of perchlorate and other oxyanions off of ion exchange resins through bioregeneration are disclosed. The improved systems and methods rely upon direct contact between the resin and a liquid product containing enrich... | 08/05/2008 |
| 7384556 | Methods of enhancing biodegradation of groundwater contaminants Systems and methods for co-enhancing contaminant degradation such as LNAPL and DNAPL degradation. Embodiments of the inventive technology may relate to assuring adequate amounts (e.g., concentrations) of certain substances (e.g., nitrogen, electron acceptor, bacteri... | 06/10/2008 |
| 7361281 | High efficiency ion exchange system and method for removing chromium from water The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to anothe... | 04/22/2008 |
| 7354733 | Method for sorting and separating living cells We disclose methods of sorting or separating mixtures of living cells (e.g., eukaryotic, prokaryotic, mammalian, pathogenic, bacterial, viral, etc.). We perform our methods by activating cell-selective photophoric labels, which photosensitize and chemically reduce a... | 04/08/2008 |
| 7341664 | Method for forming an in situ groundwater filter A method and system for forming an in situ subsurface filter in a contaminated aquifer and for removing contaminants from groundwater drawn from a contaminated aquifer. The filter is produced in situ by injecting an aqueous solution comprising bacteria-stimulating c... | 03/11/2008 |
| 7332082 | System and method for biological purification of water The invention relates to a method and a water treatment system (2) for treating and/or keeping clean water (1), in particular from swimming facilities (4), whereby the water (1) is pre-cleaned in a first step in at least one mechanical cl... | 02/19/2008 |
| 7329349 | Water treatment In accordance with the principles of the present invention, methods and apparatuses are provided for practically complete removal of one or more electron acceptors (excluding oxygen) from waters of various origins, while ensuring that an added excess of external car... | 02/12/2008 |
| 7318894 | Method and system for treating wastewater A method and system is disclosed for treating wastewater that utilizes membrane processes, preferably in combination with anaerobic biological treatment, to provide for economical and environmentally superior treatment without high production of biological solids. T... | 01/15/2008 |
| 7311843 | Bio degradation of oxyanions such as perchlorate on ion exchange resins Systems and methods for removing perchlorate load off of ion exchange resins are disclosed. The systems and methods rely upon direct contact between the resin and a liquid product formed by the culturing of perchlorate-destroying microorganisms. These methods can be... | 12/25/2007 |
| 7306732 | Treatment of water A process (10) for treating sulphate-containing water (28) includes feeding the water into a biological sulphate reduction stage (12) containing a complex carbon source (18). The water is subjected to biological sulphate reduction in the ... | 12/11/2007 |
| 7300583 | Apparatus and method for remediation of a waste stream The present invention provides a dispensing apparatus and method for the delivery of remediation agents into waste systems wherein the apparatus is capable of generating and maintaining a controlled release of concentrated a remediation composition throughout the de... | 11/27/2007 |
| 7297276 | Method for treating water containing ammonium-nitrogen Raw water containing ammonium-nitrogen is introduced into a nitrification tank and nitrification of nitrite-nitrogen by nitrite oxidizing bacteria is inhibited according to inhibition of the ammonium-nitrogen, thereby conducting stable nitrification of nitrous acid ... | 11/20/2007 |
| 7294272 | Method for the treatment of waste A waste treatment system suitable for domestic use and capable of producing water suitable for recycling within the household. The system includes a bioreactor (30) and a decomposition chamber (16). The bioreactor (30) is adapted to digest liqui... | 11/13/2007 |
| 7294271 | Process for restoration of ground water used in in-situ uranium mining A process for biological restoration of ground water in a mineralized sandstone formation using a nutrient source. The process is used in conjunction with mining uranium using in-situ pump and treat technology. The restoration of the ground water is designed to meet... | 11/13/2007 |
| 7291276 | Controlled production and release of oxygen activated biocide into holding tanks for RV's, boats and the like Waste in a black or gray water holding tank is treated by an oxygen activated biocide by the addition of tetra acetyl ethylene diamine (TAED) and a peroxygen compound. Hydrogen peroxide and/or peracetic acid are released over a period of time and thus maintained in ... | 11/06/2007 |
| 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 |
| 7285216 | Treatment of water A process for treating sulphide-containing water includes maintaining a steep redox potential gradient in an interface zone of the sulphide-containing water. The water is exposed to an oxygen-containing environment, and the interface zone is located immediately belo... | 10/23/2007 |
| 7279103 | Process for the purification of acidic metal-bearing waste waters to permissible discharge levels with recovery of marketable metal products Acidic metal-bearing wastewaters are treated to produce a finished water of sufficient purity to meet discharge standards while recovering metals removed in forms which are commercially valuable. The metals are selectively precipitated, either in a batch or in a con... | 10/09/2007 |
| 7273734 | Process for producing a polyester A process for producing a polyester, the process comprising the steps of (1) fermenting a saccharide with a microorganism to obtain at least one substituted α-hydroxy acid represented by the formula: HO—CHR—COOH (wherein R represents a hydrocarbon group having ... | 09/25/2007 |
| 7267974 | Polyhydroxyalkanoate synthesizing microorganism and process of producing polyhydroxyalkanoate using the same Microorganisms showing higher productivity of unusual-polyhydroxyalkanoate (PHA) than ever by using an inexpensive substrate or under specific conditions are obtained from wild strains and mutant strains. The microorganisms are cultured with such substrates to synth... | 09/11/2007 |
| 7258792 | Treatment of contaminated activated charcoal The method of providing for a fluid treatment, that includes providing a treatment zone containing granular activated charcoal, and providing a stream of water containing nutrients, contaminant degrading microbes and dissolved oxygen, and introducing the stream to a... | 08/21/2007 |
| 7259001 | Methods and compositions for treating male sexual dysfunction The invention provides compositions comprising a plurality of yeast cells, wherein said plurality of yeast cells are characterized by their ability to increase secretion of male hormones or alleviate or prevent sexual disorders, e.g., impotence, in a mammal, said ab... | 08/21/2007 |
| 7255791 | In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol A method and apparatus for the in situ purification of aquifers contaminated with ethers and/or alcohols using a bacterial culture, a method of delivering the culture to the subsurface, and an oxygen delivery system. ... | 08/14/2007 |
| 7247239 | Method for biological treatment of water by adding macromolecular carbohydrates The invention relates to a method for biological treatment of water, wherein macromolecular carbohydrates are added to the water to be treated, optionally together with vitamins and other additives, whereby a great reduction in residues is already achieved after add... | 07/24/2007 |
| 7240618 | Explosive device with accelerated bioremediation capacity Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with a carrier containing microorganisms and with nutrient for the microorganisms. An explosive mixture capable of self rem... | 07/10/2007 |
| 7238271 | Method for treating organic wastewater containing aminopolycarboxylic acid The present invention provides a method for treating a wastewater which enables one to treat a difficultly biodegradable wastewater, particularly an organic wastewater containing aminopolycarboxylic acids to substantially decrease COD at a low cost, in which the met... | 07/03/2007 |
| 7182871 | Wastewater treatment with alkanes An apparatus and method are provided for treating wastewater with alkanes such as butane. An oxygen-containing gas may also be introduced into the wastewater. Butane, because of its relatively high solubility, rapidly dissolves in the wastewater, thereby significant... | 02/27/2007 |
| 7175763 | Membrane supported biofilm process for autotrophic reduction A hollow gas transfer fibre is arranged in tows and potted into a module. The module may be used to treat wastewater by supplying hydrogen containing gas via the interior of the fibers to a biofilm present on an exterior surface of the fibers. ... | 02/13/2007 |
| 7166457 | Method for treating bacterial effluents containing at least a CIP I-2194 ether A process for the treatment of aqueous effluents containing at least one of the following ethers is described: ethyl tert-butyl ether (ETBE) and/or methyl tert-butyl ether (MTBE) and/or tert-amyl methyl ether (TAME) in order to reduce the concentration of these ethe... | 01/23/2007 |
| 7160458 | Method for purification of process water from a kerosene desulfurization plant Method for purification of process water, in particular coming from a kerosene desulfurization plant, and related plant, comprising the steps of neutralizing the process water, carrying out a washing of the process water by a solvent, and biologically treating the p... | 01/09/2007 |
| 7160460 | System and method for treating wastewater using coir filter A wastewater treatment system includes a septic tank having a discharge in flow communication with one or more biofilter containers having filter media therein. Wastewater or effluent from the septic tank is allowed to contact the filter media and each container inc... | 01/09/2007 |
