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| Number | Title | Issue Date |
| 8088283 | Continuous batch reactor, system, and process for treatment of metal-contaminated fluids A fluid treatment device, system, and process are described that provide a filtered, metal-depleted (treated) fluid. The system includes two pairs of tanks that are piped and valved to allow one pair to fill/react while the other pair decants/discharges, which provi... | 01/03/2012 |
| 8043509 | Water purification system Devices and methods for water purification are provided. An improved demister (70) for removing liquid or other particles from steam is disclosed. The demister can have adjustable outlets. In other embodiments, a demister apparatus is placed, at least partial... | 10/25/2011 |
| 7807057 | Dynamic up-flow zeolite system and method Systems and methods are provided for the removal of a contaminate from an aqueous medium using a zeolite-based sorption column. The systems and methods include an optimized relationship between the hydraulic loading, zeolite mesh size, distribution of zeolite mesh s... | 10/05/2010 |
| 7785474 | Method for contacting liquid with ion exchange resin The invention provides a method for contacting liquid with an ion exchange resin comprising introducing liquid into a process tank containing ion exchange resin at an inlet (2) and removing liquid that has been contacted with resin from the process tank at an... | 08/31/2010 |
| 7744764 | Reactive filtration In one embodiment, a method for treating waste water includes passing ozonized waste water through a bed of moving sand. ... | 06/29/2010 |
| 7678278 | Method of treating water with an inorganic powder reagent A process for treating water is provided where the water is mixed with an inorganic reagent powder such as powder activated carbon. Organics and micropollutants are absorbed by the reagent powder. After the reagent powder has been mixed with the water, the water is ... | 03/16/2010 |
| 7658853 | Process for the treatment of contaminated water by means of a bifunctional system consisting of iron and zeolites A process is described for the treatment of water contaminated by metals with a high oxidation degree, aliphatic compounds, aromatic compounds, halogen-aromatic compounds, chlorinated alkane and alkene compounds or mixtures thereof, which consists in circulating the... | 02/09/2010 |
| 7648637 | Water treatment method by ballasted flocculation, settling, and prior adsorbent contact The invention relates to a method for removing impurities from an aqueous stream. The method includes directing the aqueous stream into an adsorbent contact zone and contacting the aqueous stream with an adsorbent material in the adsorbent contact zone so that impur... | 01/19/2010 |
| 7540965 | Process for treating concentrated salt solutions containing DOC A process for removing DOC (dissolved organic carbon) from a concentrated salt solution containing DOC by contacting the salt solution with a coagulant/flocculant such that the DOC becomes insoluble and removing the insoluble DOC from the salt solution. ... | 06/02/2009 |
| 7520994 | Method to remove agent from liquid phase A system and method to remove a polluting agent or contaminant, including but not limited to mercury, from the liquid phase of a process system using an adsorbent. In one exemplary embodiment, a magnetic or non-magnetic support with a chemisorbing or physisorbing so... | 04/21/2009 |
| 7422691 | Method and apparatus for the demineralization of water The present invention relates to a method for the demineralization of water using a combination of a monodisperse cation filter operated as a lift bed and a monodisperse anion filter operated in the cocurrent flow procedure, and also devices which comprise such a li... | 09/09/2008 |
| 7419817 | Scalable purification of AAV2, AAV4 or AAV5 using ion-exchange chromatography The present invention provides methods of purifying adeno-associated virus (AAV) particles. These AAV particles include AAV2, AAV4 and AAV5 particles. The present invention also provides AAV particles purified by the methods of the present invention. ... | 09/02/2008 |
| 7381333 | Treatment of water flowing in a horizontal conduit Trace levels of dissolved toxic species are removed from water flowing horizontally in a conduit equipped with overhead debris-excluding structure by suspending from the overhead structure elongated absorbent structures in the form of porous bags which confine parti... | 06/03/2008 |
| 7361209 | Apparatus and process for preparing sorbents for mercury control at the point of use A system for treating a contaminated gas stream is provided that includes a comminution device 204 operable to effect size reduction of a plurality of sorbent particles and form a plurality of comminuted particles, a plurality of nozzles 224 distribute... | 04/22/2008 |
| 7349158 | Diffraction grating-based encoded micro-particles for multiplexed experiments Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a unique identification digital code that is detected... | 03/25/2008 |
| 7332090 | Process for the removal of mercury from solutions contaminated with mercury Mercury is removed from solutions contaminated with mercury by filtration through a carbon filter consisting of electrode graphite. ... | 02/19/2008 |
| 7332091 | Process for treating storm water An insert for a storm water treatment system includes an elongated baffle member that is configured to be mounted within a substantially upright storm water drain basin so as to separate the interior space of the drain basin into a first compartment that communicate... | 02/19/2008 |
| 7332092 | Method of separating E and Z isomers of an alkene alcohol and derivatives thereof E and Z isomers of alkene alcohols and/or alkene alcohol derivatives are separated by substantially continuously contacting an ion exchange medium which is ion exchanged with silver and/or copper ions with the feed stream comprising the E and Z isomers of at least o... | 02/19/2008 |
| 7329354 | Purification of organic solvent fluids A chemical distribution system having improved organic solvent fluid purity and consistency includes a vessel containing ion-exchange media positioned within a fluid flow pathway such that the organic solvent fluid passes through the ion-exchange media, thereby effe... | 02/12/2008 |
| 7329391 | Microfluidic device and material manipulating method using same Microfluidic devices for manipulating relatively dense materials, such as colloidal rod particles, are provided. Microfluidic devices for separating a denser first material from a less-dense second material are provided. Methods of manipulating a relatively dense fi... | 02/12/2008 |
| 7326348 | Method for removal and destruction of ammonia from an aqueous medium Methods and apparatuses are provided for the removal and destruction of ammonia from an aqueous medium. The methods and apparatuses include the removal of ammonia from an aqueous medium by contact with either natural or synthetic zeolite. The spent zeolite is regene... | 02/05/2008 |
| 7326347 | Dynamic up-flow zeolite system and method Systems and methods are provided for the removal of a contaminate from an aqueous medium using a zeolite-based sorption column. The systems and methods include an optimized relationship between the hydraulic loading, zeolite mesh size, distribution of zeolite mesh s... | 02/05/2008 |
| 7326346 | High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/05/2008 |
| 7285220 | Water softener Disclosed is a water softener capable of producing soft water at various temperatures and facilitating the regeneration of an ion exchange resin thereof. The water softener includes a water softening tank in which an internal region containing therein the ion exchan... | 10/23/2007 |
| 7270747 | Storm water drain system An in-line storm water drain system and a filter basket for a storm water drain system are provided in which the storm water drain system has a housing having an inlet and outlet thereinto and interior walls forming a plurality of chambers therein. The filter basket... | 09/18/2007 |
| 7267770 | Cartridges A radial flow cartridge, especially for use with an ion exchange resin, includes inner and outer tubular cages, and a tubular knitted liner extending the length of the cartridge between the inner and outer cages and spaced apart from the outer cage. The resin medium... | 09/11/2007 |
| 7258785 | Apparatus for separating oil and debris from water run-off A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an... | 08/21/2007 |
| 7255133 | Fluid pressure system including free floating bladder A fluid pressure system (S) includes a flexible diaphragm bladder (172) located inside a pressure tank (164) installed within a fluid system such as well (168). In preferred aspects, the bladder (172) can be inflated by the introduction o... | 08/14/2007 |
| 7255789 | Method and apparatus for liquid purification An apparatus and method for purifying a liquid including: reaction chambers that utilizes KDF 85 or KDF 55 or other media in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light ch... | 08/14/2007 |
| 7229559 | Dual-action decontamination method Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 06/12/2007 |
| 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 |
| 7226535 | Bed adsorption system The invention relates to a method of distributing a liquid in the fluid bed of an up-flow or a down-flow fluid bed reactor. The invention provides efficient distribution and plug flow like fluid flow through the fluid bed where turbulence and/or back-mixing of the f... | 06/05/2007 |
| 7223347 | Apparatus and method for filtering fluids The present invention provides an apparatus and method for filtering fluids with a compressible filter media within at least a portion of a housing inwardly compressible. ... | 05/29/2007 |
| 7220596 | Real time detection of antigens Antigens can be captured and detected from complex samples, such as food and environmental samples, in about 30 minutes using apparatus and methods that include flow of the samples through a module containing antibodies coupled to beads. The samples flow through the... | 05/22/2007 |
| 7217366 | Purification of ammonium metallate solutions A process for reducing the content of alkali metal impurities (e.g., potassium) in ammonium metallate solutions is described. The process involves subjecting a feed solution containing ammonium metallate and alkali metal impurities to membrane filtration. The membra... | 05/15/2007 |
| 7211605 | Super-hydrophobic fluorine containing aerogels An aerogel material with surfaces containing fluorine atoms which exhibits exceptional hydrophobicity, or the ability to repel liquid water. Hydrophobic aerogels are efficient absorbers of solvents from water. Solvents miscible with water are separated from it becau... | 05/01/2007 |
| 7208093 | Chromatographic two-layer particles The present invention is a method of producing a chromatographic separation matrix, wherein porous polymeric particles comprised of two layers with different properties are prepared in a two-phase system by (a) providing porous polymeric particles with reactive grou... | 04/24/2007 |
| 7198723 | Method using super absorbent polymers for dehydration of oil Water is separated from an emulsion of water and oil by passing the emulsion through a bed of superabsorbent polymer granules which break the emulsion and absorb water from the mixture of water and oil. An apparatus for separating water from an emulsion of water and... | 04/03/2007 |
| 7190522 | Chemical synthesis using diffraction grating-based encoded optical elements An optical identification element having a synthesized chemical attached thereto includes an optical substrate having at least one diffraction grating disposed therein, the grating having a resultant refractive variation at a grating location, said grating being emb... | 03/13/2007 |
| 7183235 | High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/27/2007 |
