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| Number | Title | Issue Date |
| 8431024 | Method for enhancing biotransformation of groundwater contaminants A method for enhancing biotransformation of groundwater contaminants is provided. The method comprises steps of providing an injection column at an upstream of a contaminated source for injecting a compost solid; providing a recirculation device at a downstream of t... | 04/30/2013 |
| 8425776 | Biofilm remediation of metal containing wastewater A method of in situ treatment of wastewater that is contaminated with a heavy metal may include passing a flow of contaminated wastewater through a reactor vessel. The reactor vessel may contain a plurality of biofilm retaining structures. Each of the structures may... | 04/23/2013 |
| 8425775 | Biofilm remediation of fracture fluid A method of in situ treatment of fracture fluid that is contaminated with a heavy metal may include passing a flow of contaminated fracture fluid through a reactor vessel. The reactor vessel may contain a plurality of biofilm retaining structures. Each of the struct... | 04/23/2013 |
| 8398856 | Self-sustained microbial detoxification of soluble sulfate from environmental effluent Systems and methods for the bioremediation of soluble sulfates from an environmental effluent, include a first chamber including lactic acid bacteria immobilized on a first matrix and a second chamber including sulfate-reducing bacteria immobilized on a second matri... | 03/19/2013 |
| 8366933 | Method for bacterial treatment of effluents containing 2-ethylhexyl nitrate The invention relates to a method for treating effluents containing 2-ethylhexyl nitrate (2-EHN), or nitric ester of 2-ethylhexane-1-ol, in order to reduce at least partly the concentration thereof, characterized in that it comprises growing, in the presence of a su... | 02/05/2013 |
| 8323496 | Methods for treatment of perchlorate contaminated water The invention provides systems and methods for removing perchlorate from water. The systems comprise reactors comprising biomass for degrading perchlorate, and the operation of the systems can be controlled according to novel logic specifications. Also provided are ... | 12/04/2012 |
| 8323497 | Removal of selenium in contaminated wastewater streams Compositions and methods for the removal of selenium species from water containing high-salt concentrations and/or petroleum contaminants are described. The compositions and methods use a selenium-reducing microorganism adapted to adverse environments. ... | 12/04/2012 |
| 8298425 | Method of staggered release or exposure of microorganisms for biological remediation of hydrocarbons and other organic matter A methodology, and related systems and structures for accomplishing the methodology, of biological remediation of hazardous or undesirable organic matter, wherein a plurality of carrier members are disposed in a localized retaining member, the carrier members releas... | 10/30/2012 |
| 8147694 | Method for the treatment of ground water and soils using mixtures of seaweed and kelp The induction of reducing conditions and stimulating anaerobic process through the addition of species of seaweed (Dulse, Nori, Ascophyllum nodosum, and Kelp) to accomplish accelerated dechlorinization of soil and groundwater contaminated with chlorinated sol... | 04/03/2012 |
| 8119003 | Methods for reducing biosolids odors A method for reducing the odors of an anaerobically digested dewatered biosolids or other biosolids or sludge may include separating first anaerobically digested dewatered biosolids into first and second portions, storing second anaerobically digested dewatered bios... | 02/21/2012 |
| 8110107 | Method of waste water treatment The wastewater treatment tank results in high quality effluent meeting what is referred to as “Secondary Treatment Standard. The tank deploys in combination an Facultative Aerobic Bacterial Generators (FABG) that includes a plurality of surrounding horizontally ex... | 02/07/2012 |
| 8105489 | Treatment and prevention systems for acid mine drainage and halogenated contaminants Embodiments include treatments for acid mine drainage generation sources (10 perhaps by injection of at least one substrate (11) and biologically constructing a protective biofilm (13) on acid mine drainage generation source materials (14... | 01/31/2012 |
| 8101081 | Method of denitrifying wastewater Disclosed is a method of denitrifying a solution including introducing into the solution an amount of a carbon source within a duration and at a frequency so that indigenous heterotrophic bacteria deplete dissolved oxygen in the solution and obtain oxygen from nitra... | 01/24/2012 |
| 8066880 | Apparatus for denitrifying wastewater Disclosed is an apparatus for denitrifying a solution that includes a denitrification tank configured to receive a portion of the solution for a period of time. Controlling an amount, duration and frequency of introduction of polyethylene glycol into the solution pr... | 11/29/2011 |
| 8057675 | Methods of remediation of water Methods for bioremediation of contaminants in water using soapstock, an acid oil of soapstock, a neutralized acid oil of soapstock or combinations thereof are described. Systems for bioremediation are also disclosed. ... | 11/15/2011 |
| 8052873 | Bacterial cultivation system for growth of substrate specific micro-organisms for use in industrial wastewater remediation A waste treatment method includes the concentration of selected strains of bacteria in a selected medium in the presence of nutrients and water, under aerobic conditions. This concentrated batch is thereafter discharged for downstream applications in wastewater reme... | 11/08/2011 |
| 8034243 | Denitrification process The disclosed process and system are used for the denitrification of wastewater. The system comprises: an influent concentration analyzer for measuring an influent dissolved oxygen concentration, an influent nitrate concentration, and an influent nitrite concentrati... | 10/11/2011 |
| 7972511 | Anaerobic treatment method and anaerobic treatment apparatus A method and apparatus of anaerobic treatment which makes it possible to prevent disintegration of granular sludge and perform high-load high-velocity anaerobic treatment stably even in the case where treatment is performed under conditions where the granular sludge... | 07/05/2011 |
| 7964100 | Remediation of waste water A non-toxic waste water treatment composition is provided. The waste water treatment composition is formed from: (a) an alkanolamide; (b) an ethoxylated alkylphenol, ethoxylated aryl phenol, or combination thereof; (c) a first surfactant selected from the group cons... | 06/21/2011 |
| 7922906 | Septic system cleaning method A composition including the fermentation supernatant from a fermentation of yeast is intended to be conveniently introduced through the wastewater plumbing system of a private home or other facility into a septic system servicing the home or other facility to substa... | 04/12/2011 |
| 7879238 | Process and apparatus for treating nitrogeneous liquor A process and apparatus for treating an aqueous nitrogeneous liquor by performing ammonia oxidation and denitrification using a biosludge containing anammox bacteria and ammonia-oxidizing bacteria. The process and apparatus can obtain treated liquor of a high water ... | 02/01/2011 |
| 7833417 | Method for improving hydrocarbon-water compatibility in a subsurface hydrocarbon-contaminated site The present invention relates to methods for improving hydrocarbon-water compatibility. More specifically, the invention relates to methods for enhancing the production of surface-active agents in hydrocarbon-exposed surface waters in order to improve hydrocarbon-wa... | 11/16/2010 |
| 7815801 | Removal of selenium in contaminated wastewater streams Compositions and methods for the removal of selenium species from water containing high-salt concentrations and/or petroleum contaminants are described. The compositions and methods use a selenium-reducing microorganism adapted to adverse environments. ... | 10/19/2010 |
| 7799224 | Wastewater treatment methods Systems and methods for wastewater treatment. A nitrate source may be dosed to a collection tank, such as a wet well, for downstream control of hydrogen sulfide levels in the wastewater. A source of a strong oxidizer may also be dosed to the wet well. The oxidizer, ... | 09/21/2010 |
| 7785468 | Compositions and uses thereof in bioremediation Compositions for bioremediation are described. Systems and methods of using the compositions are also disclosed. ... | 08/31/2010 |
| 7695621 | Method of supporting denitrification A method of supporting denitrification includes receiving biological material at a pulsed electric field station and applying a pulsed electric field to the biological material within a treatment zone in the pulse electric field station to generate treated biologica... | 04/13/2010 |
| 7658848 | Septic system cleaning A composition including the fermentation supernatant from a fermentation of yeast is intended to be conveniently introduced through the wastewater plumbing system of a private home or other facility into a septic system servicing the home or other facility to substa... | 02/09/2010 |
| 7635432 | Method of treating at a high-temperature waste liquid from production plant for hydrocarbons or oxygen-containing compounds A method of treating organic matter-containing waste liquid, which is formed as a byproduct in a plant for the production of oxygen-containing compounds or liquid hydrocarbons (including liquid fuel oil and chemicals, which are produced from natural gas through a sy... | 12/22/2009 |
| 7618536 | Method of treating a marine object A method for eliminating alien species and undesirable organisms from ballast water of a marine vessel. Ballast water (204) is injected into a container (202). An organic substance is added to the ballast water. Heterotrophic organisms (219) in ... | 11/17/2009 |
| 7604745 | Water-purifying solid material made of a natural raw material containing polysaccharides as principal components, and water-purifying method using the same A water purification solid material of relatively low cost whose handling is easy, produced from a natural raw material only; and a method of water purification with the use of the same. There is provided a water purification solid material for use in water purifica... | 10/20/2009 |
| RE40734 | Method for remediation of aquifers A method for remediating aquifers and groundwater contaminated, for example, by toxic halogenated organic compounds, certain inorganic compounds, and oxidized heavy metals and radionuclides, using the introduction of an innocuous oil, preferably an edible, food grad... | 06/16/2009 |
| 7544298 | Apparatus and method for dispensing decomposing bacteria into a waste stream A dispensing apparatus and method for the inoculation of a bioremediation agent into a waste stream, including but not limited to sludge or oil. The apparatus is capable of generating and maintaining a continuous release of decomposing bacteria, and living organisms... | 06/09/2009 |
| 7520991 | Biological method for removing phosphorus and nitrogen from water using granulated methane-oxidizing bacteria A biological removal method of phosphorus and nitrogen includes supplying a mixture gas into a gas holder. Inflow water and return water are supplied into the gas holder to make the mixture gas dissolved in the inflow water and the return water. The return water was... | 04/21/2009 |
| 7497948 | Method for remediation of soil and groundwater A system and method to treat a site includes oxygenating or ozonating the site, adding nutrients, and maintaining a low bio-chemical-oxygen-demand-to-total-kjeldahl-nitrogen (BOD5:TKN) ratio. Furthermore, the system and method maintain conditions effective to permit... | 03/03/2009 |
| 7491332 | Method and device for physical and biological treatment of biomass A method for the physical and biological treatment of an organic effluent, which is decomposed by microorganisms in a biological treatment zone, includes recovering a fraction of the biomass derived from the biological treatment, filling a compression reservoir with... | 02/17/2009 |
| 7476320 | Process for groundwater remediation A process for in situ groundwater decontamination within a subsurface region of earth includes: directing a liquid feed stream through a first conduit; injecting a treatment gas into the first conduit and/or a second conduit; discharging the liquid feed stream downw... | 01/13/2009 |
| 7470367 | Process for removing a contaminant from contaminated groundwater The invention relates to a process for removing a contaminant from groundwater wherein it is not necessary for groundwater to be extracted from the soil. To that end, the process according to the invention comprises the following steps: a) a biologically active laye... | 12/30/2008 |
| 7455774 | Agent and method for decontaminating soil, groundwater or sediment contaminated with hexavalent chromium It is an objective of the present invention to provide a decontaminant capable of efficiently and rapidly decontaminating soil, groundwater or sediment contaminated with hexavalent chromium, and a decontamination method utilizing the same. By adding at least one of ... | 11/25/2008 |
| 7449114 | Halogenated solvent remediation Methods for enhancing bioremediation of ground water contaminated with nonaqueous halogenated solvents are disclosed. An illustrative method includes adding an electron donor for microbe-mediated anaerobic reductive dehalogenation of the halogenated solvents, which ... | 11/11/2008 |
| 7445714 | Biological processing of animal waste There is a biological composition and method of use. Included is a microorganism quantity, and a nutrient quantity which may have a supplement, a short-term nutrient and a long term nutrient. The composition may be applied to a container having water wherein the mic... | 11/04/2008 |
