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| Number | Title | Issue Date |
| 7967984 | Apparatus for water treatment and method of treating water An apparatus for water treatment which comprises a means of removing ingredients contained in water and a means of adsorbing ions with a porous molding as an adsorbent, wherein the porous molding comprises fibrils comprising an organic polymer resin and an inorganic... | 06/28/2011 |
| 7879239 | Wastewater treatment method using immobilized carrier To provide an inexpensive wastewater treatment method which facilitates downsizing of tanks and requires less withdrawal of an excessive sludge, the use is made of an aeration tank 1 in which wastewater is contacted with a particulate carrier under an aerobic... | 02/01/2011 |
| 7875181 | Water treatment process A water treatment process comprising: (a) providing bioactive material in waste water, the bioactive material containing microorganisms capable of removing one or more impurities from the waste water, wherein at least 40% by volume of said bioactive material in said... | 01/25/2011 |
| 7722769 | Method for treating wastewater This invention is directed to a wastewater treatment system having a fluidizable media carrying anoxic bacteria in a first treatment zone and a filter membrane positioned in a second treatment zone. A wastewater is contacted with the fluidizable media and further co... | 05/25/2010 |
| 7718068 | Wastewater treatment system and process utilizing solids based bacterial colonization (SBBC) Wastewater treatment system and process in which the influent is passed through a mixing chamber and then through a series of filters of progressively smaller size to separate the materials carrying the colonized bacteria from finer solids in the influent and separa... | 05/18/2010 |
| 7527730 | Water filtration system and its use The present invention relates to a filtration system for purifying water, in particular aquaculture water. Furthermore, the invention relates to a method of purifying water wherein water is supplied to a filtration system, comprising filtration medium for filtering ... | 05/05/2009 |
| 7507342 | Method and apparatus for treatment of wastewater Introducing a combination of suspended attached growth Medias and biological reactants into a sewage treatment process with or without additional reaction to improve and increase capacity of a given process. Media and biological reactants can be disposed in a perfor... | 03/24/2009 |
| 7452468 | Method and apparatus for treatment of wastewater Introducing a combination of suspended attached growth Medias and biological reactants into a sewage treatment process with or without additional reaction to improve and increase capacity of a given process. Media and biological reactants can be disposed in a perfor... | 11/18/2008 |
| 7442306 | Autotrofic sulfur denitration chamber and calcium reactor The present invention describes novel biological systems and methods for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments, and the use of catholyte and anolyte for the improved conditioning of water in a... | 10/28/2008 |
| 7431832 | Systems for reducing water contamination In some embodiments, a system may reduce contaminants in water. A system may include a biofilm in a container. The biofilm may be formed from one or more bacteria coupled to one or more substrates. The bacteria may be selected to maximize the reduction of contaminan... | 10/07/2008 |
| 7407582 | Combination activated sludge—ballasted flocculation process A method and system for treating water or wastewater to remove both soluble BOD and suspended solids. The method entails directing first and second water or wastewater streams to a treatment system including an activated sludge system and a ballasted flocculation sy... | 08/05/2008 |
| 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 |
| 7354516 | Oil digesting microbe-plastic foam system This invention is a system and method for bioremediation of hydrocarbon and organic pollution in fresh and salt water. Hydrocarbon and organic pollution digesting microbes are placed in a floating carrier where the microorganisms are exposed to the pollution and the... | 04/08/2008 |
| 7347940 | Nitrogen removal system and method for wastewater treatment lagoons A wastewater treatment process integrates a tidal nitration system with a wastewater treatment lagoon. Raw effluent enters a lagoon having a persistent anoxic or anaerobic state and a long residence time to permit suspended solids to settle to the bottom, forming a ... | 03/25/2008 |
| 7335303 | Zero-discharge of water glass effluents by alkaline biotreatment techniques The present invention relates to the collection of alkalophilic/alkaline-tolerant microbes and use of said microbes in water glass wastewater treatment. The wastewater is treated directly with alkalophilic/alkaline-tolerant microbes cultured on granular activated ca... | 02/26/2008 |
| 7332554 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7332084 | Process for biological treatment of organic wastewater and apparatus therefor A multistage activated sludge process involving a predation effect caused by microorganisms realizes further improvement in treatment efficiency and further decrease in the amount of excess sludge generated while a stable quality of the treated water is maintained. ... | 02/19/2008 |
| 7332555 | Polymers with new sequence distributions The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene,... | 02/19/2008 |
| 7329350 | Filtration system A filtration system comprises a filtration container housing filter media treated to reduce waste in water pumped into the filtration container. An impeller is mounted on the filtration container and forces water and filter media within the container to move within ... | 02/12/2008 |
| 7326344 | Process for the removal of metals by biosorption from mining or industrial effluents A method and a plant to remove metals by biosorption from mining or industrial effluents comprising: (a) subject the effluent to at least one first stage of pre-treatment, selecting among: precipitation by pH rising, solvent extraction or solvent extraction on emuls... | 02/05/2008 |
| 7318895 | Biodestruction of blended residual oxidants The present invention may be used for treatment of waste streams using domestic wastewater. A concentrate waste stream containing one or more of perchlorate, nitrate, bromate, selenate and chromate may be combined with a domestic wastewater stream. The concentrate w... | 01/15/2008 |
| 7311841 | Method for treating water by ballasted flocculation and decantation The invention concerns a water treatment method which consists in introducing coagulated water in a flocculation zone, to enable flocculation of microflocs in the presence and around a ballast; introducing the mixture in a decantation zone; separating the treated wa... | 12/25/2007 |
| 7311835 | Method for supplying oxygen to a water purification process The present invention relates to a method for supplying oxygen to a water purification process, said method comprising providing an oxygen carrier of at least one copolymer of dimethylsiloxane, ethylene oxide and propylene oxide, adding said oxygen carrier to the wa... | 12/25/2007 |
| 7300577 | Wastewater treatment and dispersal system A wastewater treatment and dispersal system wherein wastewater will stand until it has a BOD of less than about 125 mg/l. The dispersal field may comprise inner and outer conduits, an inner conduit and a permeable outer cover, or a trough and an enclosure. ... | 11/27/2007 |
| 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 |
| 7291265 | Passive treatment of wastewater and contaminated groundwater A bioremediation system using inorganic oxide-reducing microbial consortia for the treatment of, inter alia coal mine and coal yard runoff uses a containment vessel for contaminated water and a second, floating phase for nutrients. Biodegradable oils are preferred n... | 11/06/2007 |
| 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 |
| 7273553 | Method for the treatment of waste water with sludge granules The invention relates to a method for the treatment of waste water comprising an organic nutrient. According to the invention, the waste water is in a first step fed to sludge granules, after the supply of the waste water to be treated the sludge granules are fluidi... | 09/25/2007 |
| 7264727 | Septic system remediation method and apparatus An apparatus and a method for the remediation of failing wastewater treatment systems, such systems being comprised of one or more septic tanks and a seepage pit, drywell, absorption field or an above grade mound system having an inlet and a plurality of outlets whe... | 09/04/2007 |
| 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 |
| 7258798 | Potable water treatment plant and method of maintaining same A package plant for treating raw water to yield potable water. The package plant includes an inlet for raw water, followed by an ozonator for disinfecting the water. Next is provided an up flow roughing filter including a chemically active layer, on top. A slow sand... | 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 |
| 7255793 | Methods for removing heavy metals from water using chemical precipitation and field separation methods A two-step chemical precipitation process involving hydroxide precipitation and sulfide precipitation combined with “field separation ” technology such as magnetic separation, dissolved air flotation, vortex separation, or expanded plastics flotation, effectivel... | 08/14/2007 |
| 7252981 | Method for the preparation of stable and reusable biosensing granules The present invention provides a process for the preparation of stable and reusable biosensing granules useful in the assessment of biodegradability of effluents. The biosensing granules are prepared by culturing active aerobic microbial consortia in synthetic mediu... | 08/07/2007 |
| 7244358 | Denitrification of aquarium water The invention relates to agents for the removal or reduction of inorganic nitrogen compounds, especially nitrate, from biological aquarium waters, containing a biologically degradable polymer, preferably polycaprolactone (PCL) and to the utilization of said agents. | 07/17/2007 |
| 7238283 | System for wastewater treatment A new and improved wastewater treatment system suitable for the treatment of wastewater from a CMP process. A holding tank receives wastewater from a CMP wastewater collection tank. The holding tank may further receive wastewater from a backside grinding (BG) wastew... | 07/03/2007 |
| 7232872 | Polymerization processes The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. ... | 06/19/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7214750 | Polymerization processes The invention relates to new processes to produce polymers utilizing bayonette cooled slurry reactor systems and diluents including hydrofluorocarbons. ... | 05/08/2007 |
| 7189323 | Method for biological purification of water using a carrier material A method for biological purification of water such as wastewater using a carrier material is disclosed, wherein the water is treated in a reactor containing carriers for biofilm growth. These carriers are kept in movement in the water and are designed so that they h... | 03/13/2007 |
