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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7625490 | Use of a magnetic separator to biologically clean water A nitrification-denitrification process using magnetic seeding and magnetic separation to treat water is provided. The process includes biologically converting ammonia to nitrates with a biofilm disposed on magnetic seed. Suspended solids are removed by mixing flocc... | 12/01/2009 |
| 7425268 | Device and related methods for purifying a liquid In an aspect of the invention, a device for purifying water in a water water garden or fish pond comprises a filter medium configured to clean the water flowing through the device, and a housing configured to contain the filter media. The housing includes a wall con... | 09/16/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7326345 | Bioremediation method which is used to concentrate and eliminate radionuclides in radioactive water A method for concentrating and eliminating radionuclides from water from in nuclear pools based on the capacity of microorganisms when they are growing to retain radionuclides by forming biofilms on the colonized surfaces. The method of the invention utilizes the co... | 02/05/2008 |
| 7323108 | Combined biological and ballasted flocculation process for treating wastewater A wastewater treatment process is provided that entails both a biological or activated sludge process and a ballasted flocculation process. A first stream of wastewater is directed to a biological system for biologically treating the wastewater. The biological treat... | 01/29/2008 |
| 7316776 | Aquarium filtration system with bio-reactor An improved aquarium filtration system is provided which includes a bio-reactor chamber. The bio-reactor chamber includes a plurality of bio-balls which have a high surface area for collecting bacteria for biological filtration. The bio-reactor includes one or more ... | 01/08/2008 |
| 7309433 | Fluid bed expansion and fluidisation Method and apparatus (8) in which a biomass is carried on a substrate which is fluidised. The fluidised substrate has below it a lazer of distributor particles through which the fluidising medium passes prior to contact with the fluidised substrate and biomas... | 12/18/2007 |
| 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 |
| 7288192 | Wastewater treatment station in shipping container A standard 20 ft or 40 ft sea-freight shipping container is configured as a septic tank, or as an aerobic trickle filter station. The shipping-container is lined with a watertight shell or liner. The liner may be a preferabricated separate structure inserted into th... | 10/30/2007 |
| 7288197 | Biological membrane filtration system for water treatment and a water treatment process The present invention discloses a biological membrane filtration wastewater treatment system including a porous biological filtration bed zone and a membrane separation zone. The porous biological filtration bed zone has the dual function of providing biological tre... | 10/30/2007 |
| 7270745 | Liquid filtration apparatus embodying super-buoyant filtration particles Presented is a liquid filtering apparatus and method that overcomes the disadvantages encountered with prior bed filtration systems by providing a filtering apparatus that incorporates a super-buoyant filter medium having a specific gravity very substantially lower ... | 09/18/2007 |
| 7270755 | Liquid filtration method embodying superbuoyant filtration particles Presented is a liquid filtering apparatus and method that overcomes the disadvantages encountered with prior bed filtration systems by providing a filtering apparatus that incorporates a super-buoyant filter medium having a specific gravity very substantially lower ... | 09/18/2007 |
| 7264729 | Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina This invention relates to a process for reducing the contaminants in condensate resulting from the conversion of bauxite to alumina. ... | 09/04/2007 |
| 7235178 | Process and assembly for the treatment of waste water on ships Process for treating waste water on ships in which the waste water is pretreated by surface filtration, the pretreated waste water being collected in a first tank acting as a mixing tank and optionally enriched with oxygen. The waste water from the first tank is con... | 06/26/2007 |
| 7201856 | Water treatment compositions Compositions, methods and kits for purifying and clarifying and/or nutrifying contaminated drinking water and which comprise a primary coagulant material, a microbiocidal disinfectant and an oxidant system. Highly preferred compositions also contain one or more of a... | 04/10/2007 |
| 7199069 | Method for destruction of organic compounds by co-oxidation with activated carbon A method for oxidizing carbon adsorbable organic compounds in a controlled manner within a bed of activated carbon. The bed of activated carbon is exposed to a source of molecular oxygen, such as air, and is controlled within a temperature range whereby the molecula... | 04/03/2007 |
| 7172700 | Method and apparatus for determining weight and biomass composition of a trickling filter In one embodiment, a filter media tower assembly is provided comprising a first portion and a second portion, wherein the first portion is suspended within the second portion. The first portion is a removable media tower or cage for holding filter media, whereas the... | 02/06/2007 |
| 7163630 | Method and apparatus for enhancing filter bed performance In a vessel containing a filter bed and containing a mixed liquor containing suspended solids, a system disturbs/dislodges a sludge mat that settles on the filter bed. Thus, the system controls the sludge mat on the filter bed that otherwise may blind the filter bed... | 01/16/2007 |
| 7157000 | Catalytic bioconversion of petroleum-contaminated wastes/wastewaters using kenaf core powder A Catalytic Bioconversion (CB) process using kenaf core powder is used to promote an environmentally friendly method to biologically treat the petroleum contaminants in these wastes and waste waters while simultaneously producing a high energy solid fuel. The new pr... | 01/02/2007 |
| 7153428 | Flooded densified leachbed anaerobic digestion The present invention provides improved systems and processes for performing sequential batch anaerobic composting (SEBAC) on high solids content wastes. In particular, the present invention provides improved flooded SEBAC systems that function more efficiently (i.e... | 12/26/2006 |
| 7147781 | Backwash system and method for waste water treatment system A backwash system and method for a waste treatment system employ a waste inlet duct extending into an accumulation of microbial growth media particles in a lower region of a tank, with a vertical duct having a duct outlet in an upper region of the tank. A downwardly... | 12/12/2006 |
| 7140441 | Fluid separation method and system A method and a system for separating the phases of a multiphase fluid from one or more wells. The system includes at least one first gravity separator and at least one second gravity separator, and elements for conducting the fluid from the well or wells to the firs... | 11/28/2006 |
| 7132050 | Apparatus for in-situ microbial seeding A method and apparatus is provided for the continuous microbial remediation of organic wastes in sewers and other waste-laden environments utilizing in-situ microbial seeding. A bio-reactor containing inoculated carrier media is suspended within a sewer wet-well or ... | 11/07/2006 |
| 7087169 | Combined tidal vertical flow and horizontal flow wastewater treatment system and method A wastewater treatment system includes a vertical flow marsh cell that is adapted to contain media and to support plants having roots extending into the media, the roots and media positioned to contact water flowing downward through the marsh cell during a flooding ... | 08/08/2006 |
| 7056438 | Flood and drain wastewater treatment system and associated methods The wastewater treatment system includes at least one fluidized bed reactor, such as a vessel containing media to which biofilms may attach. The vessel has an inlet and an outlet adjacent a bottom, and an overflow outlet adjacent a top, of the vessel. An element for... | 06/06/2006 |
| 7018534 | Apparatus and method for controlling biomass growth in suspended carrier bioreactor The present invention provides a bioreactor comprising a vessel having a bottom region and an interior configured to contain an aqueous suspension of biomass and media. A first gas outlet is provided at the bottom region of the vessel. The first gas outlet is positi... | 03/28/2006 |
| 6890440 | Method and apparatus for enhancing filter bed performance In a vessel containing a filter bed and containing a mixed liquor containing suspended solids, a system disturbs/dislodges a sludge mat that settles on the filter bed. Thus, the system controls the sludge mat on the filter bed that otherwise may blind the filter bed... | 05/10/2005 |
| 6852228 | Method and apparatus for purifying untreated water The invention relates to the purification of untreated water which is polluted with dissolved organic carbon compounds which can be biologically or adsorptively removed in a three-step process, whereby the upstream purification step is predominantly biological, i.e.... | 02/08/2005 |
| 6830684 | Integrated liquid and gas distribution device for underdrain block laterals The invention recites a filter comprising a block including an outer wall defining an inner chamber and a block exterior, and a conduit having a conduit wall, a first conduit end, a second conduit end, and an inner flow path providing fluid communication between the... | 12/14/2004 |
| 6790347 | Batch style wastewater treatment apparatus using biological filtering process and wastewater treatment method using the same Provided is a wastewater treatment apparatus including a bottom portion and a plate formed above and spaced apart from the bottom portion to form a lower chamber with the bottom portion, an outlet installed on the bottom portion for drawing off water and sludge in t... | 09/14/2004 |
| 6709591 | Static granular bed reactor A novel method and apparatus for treating wastewater is described which involves the use of a downflow bioreactor filled with active anaerobic granular biomass. Influent wastewater is evenly distributed across the biomass and passes downward through the granules. Th... | 03/23/2004 |
| 6706521 | Bed cleaning system for fluidized-bed bioreactors A reaction chamber is adapted to contain a fluidized bed having a slurry of liquid, media and biomass. A lift and motive fluid are provided to urge slurry from the reaction chamber through a passage from a slurry inlet to a slurry discharge. The height of the slurry... | 03/16/2004 |
| 6685826 | Fish pond filter system A system for filtering and treating waste generated or collected in the water of a fish pond. The system includes a pump, pre-filter, piping, a valve assembly, and a filter media container enclosing a plurality of discrete filter media. The filter media a... | 02/03/2004 |
| 6630071 | Process for the treatment of waste water containing heavy metals A process for the treatment of waste water containing heavy metals in which sulphur components and/or metals are biologically reduced to precipitate the metals as water-insoluble metal species, which are separated from the waste water. The biological redu... | 10/07/2003 |
| 6610205 | Process for nitrifying denitrifying organic waste water There is disclosed a process for nitrifying denitrifying organic waste water to nitrify and denitrify the nitrogenous components in the waste water, which comprises making use of a microbe carrier composed of an organic thermoplastic high molecular compou... | 08/26/2003 |
| 6572773 | Nitrification process The present invention concerns the field of nitrification of fluids, and particularly relates to the treatment of aqueous fluids to oxidize ammonia and nitrites to produce nitrates. One aspect of the present invention seeks to provide an alternative nitri... | 06/03/2003 |
| 6569337 | Bioreactor carrier, process for producing the carrier and method for using the same There are disclosed a bioreactor carrier comprising a (A) water swellable thermoplastic resin, preferably water swellable thermoplastic polyurethane resin and a (B) specific inorganic filler which is added thereto at the time of producing and/or molding s... | 05/27/2003 |
