Quotables
"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8142633 | Electrodialysis system and process A treatment system and method for continuous deionization of a biologically derived feed stream includes a plurality of electrodialysis units (3, 9, 10, 11, 12, 13) arranged in stages along a treatment line, and stages are controlled such that the feed stream... | 03/27/2012 |
| 8114260 | Water treatment system and method A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point-of-entry coming from a water source, such as municipal water, well water, brackish water and water con... | 02/14/2012 |
| 7862700 | Water treatment system and method A method and apparatus for producing purified water. Treated water may be provided for domestic use wherein the water may be treated by removing selected dissolved species while retaining properties that may improve the properties or aesthetics of the water. ... | 01/04/2011 |
| 7691246 | Advanced electrodeionization for fluid recycling In one embodiment, a system comprises a filter and at least one electrodeionization (EDI) unit for chemical recovery. The filter is adapted to receive a fluid and to remove a selected chemical element or contaminant from the fluid. The EDI unit is coupled to the fil... | 04/06/2010 |
| 7563351 | Water treatment system and method A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point-of-entry coming from a water source, such as municipal water, well water, brackish water and water con... | 07/21/2009 |
| 7520971 | Apparatus and method for electrodeionization An electric deionization device capable of sufficiently removing weak electrolyte components and producing processed desalting chamber having rectangular-parallelepiped frame 20, a compartment member 21 disposed in the frame 20 and, desirably, h... | 04/21/2009 |
| 7427342 | Method and apparatus for shifting current distribution in electrodeionization systems An electrodeionization (EDI) apparatus and method comprising an ion-depleting chamber for removing ions from liquids passed therethrough, wherein a resistive component is coupled proximate the outlet region of the chamber so as to increase the electrical resistance ... | 09/23/2008 |
| 7390386 | Aqueous stream purifier and method of use An electrolytic method is provided for purifying an aqueous stream, including at least one contaminant ion. In one embodiment, the eluent stream flows through a purifying flow channel, including ion exchange bed, an electric field is applied through the flowing elue... | 06/24/2008 |
| 7368191 | Electrode array for use in electrochemical cells The invention features an electrode array (7) in which pairs of electrodes (1) are geometrically arranged so that the broadest faces of the exposed electrodes are not directly opposing to each other. Rather, the broadest facing surfaces of the electrod... | 05/06/2008 |
| 7338600 | Fractional deionization process A liquid treatment process is described for sequential removal of ionic species of progressively decreasing ionic strength without precipitation or “scaling.” An aspect of the invention includes two or more electrodeionization operations within one or more elect... | 03/04/2008 |
| 7326325 | Apparatus and method for connecting water treatment devices A method and apparatus for connecting water treatment devices is provided. Connecting brackets may allow for a multiple configurations of water treatment devices and can simplify the building of water treatment systems. ... | 02/05/2008 |
| 7297245 | Electrokinetic methods and apparatus for collection of ionic contaminants An electrokinetic method and apparatus for discretely collecting ionic contaminants from a variety of media, with an ionic current there across in which an ion collection compartment has been positioned. Each compartment preferably compromises of an anion or cation ... | 11/20/2007 |
| 7279083 | Electrodeionisation apparatus An electrodeionisation apparatus comprising, successively: means defining an anode chamber, means defining one or more anion exchange chambers, means defining one or more mixed exchange chambers, means defining one or more cation exchange chambers, and means definin... | 10/09/2007 |
| 7261816 | Ion-exchange filter A fuel cell system includes an ion-exchange filter, which is provided with a cartridge which is filled up with an ion-exchange resin. The cartridge includes one of a pressure-loss emphasizing type cartridge and an ion-exchange efficiency emphasizing type cartridge, ... | 08/28/2007 |
| 7250230 | Water filter for an electrochemical fuel cell system Silica may form as a degradation product in an electrochemical fuel cell system and may be found within the water management subsystem thereof. The silica may polymerize and/or react to form insoluble metal silicates which may lead to reduced lifetime or performance... | 07/31/2007 |
| 7247225 | Electrodeionization apparatus An electrodeionization apparatus is provided, in which enough electric current flows even when voltage applied between the electrodes is low, thereby sufficiently performing deionization. A single first cation exchange membrane, a single anion exchange membrane, a s... | 07/24/2007 |
| 7244596 | Separation of biomass from lactic-acid containing fermentation products by means of flocculation The present invention is in the field of the preparation of lactic acid by means of fermentation, more particularly it is directed to processes to separate the biomass from the lactic acid-containing fermentation product by means of flocculation. We have foun... | 07/17/2007 |
| 7238837 | Process for the recovery of lactic acid from aqueous lactate salt solutions, involving the use of ion exchangers The invention provides a process for the recovery of lactic acid from aqueous solutions containing at least one water-soluble lactate salt and having a pH of about between 4 and 14, comprising the steps of: contacting said aqueous solution with a cation exchanger wh... | 07/03/2007 |
| 7235319 | Method and device for deionizing cooling media for fuel cells The present invention relates to a process for the deionization of a cooling medium in a fuel cell (11) circulating in a cooling circuit (20), in which the cooling medium is subjected to at least intermittent, but preferably continuous, electrochemical... | 06/26/2007 |
| 7214301 | Filter or filter-element for modified electro-dialysis (MED) purposes Filter or filter-element designated for Modified Electro-Dialysis (MED) purposes characterized in that the filter or filter-element comprises a porous, ceramic, mainly uniform material with functional, preferably ion selective groups grafted onto the inner, porous s... | 05/08/2007 |
| 7208320 | Open-field serial to parallel converter Microfluidic devices and systems for affecting the serial to parallel conversion of materials introduced into the device or system. Material or materials to be converted from a serial orientation, e.g., a single channel, into a parallel orientation, e.g., multiple c... | 04/24/2007 |
| 7201832 | Electrodeionization deionized water producing apparatus In the electrodeionization deionized water producing apparatus, water is passed through a deionizing chamber(s) packed with an organic porous ion exchange material having a three-dimensional network structure to remove ionic impurities in the water, thereby producin... | 04/10/2007 |
| 7163964 | Method for preparing an ion exchange media This invention presents an ion exchange media including a plurality of cation exchange zones and anion exchange zones in flow paths that are contained in a substantially nonporous resin transport framework. During electrodeionization and other potential applications... | 01/16/2007 |
| 7141154 | Single-stage separation and esterification of cation salt carboxylates using electrodeionization A method of and apparatus for continuously making an organic ester from a lower alcohol and an organic acid is disclosed. An organic acid or salt is introduced or produced in an electrode ionization (EDI) stack with a plurality of reaction chambers each formed from ... | 11/28/2006 |
| 7097763 | Ion exchange filter apparatus An ion exchange filter apparatus to reduce ions contained in a liquid medium used in a fuel cell system is equipped with an ion exchange filter 6 to receive an ion exchange resin 38. The ion exchange filter 6 includes a flow passage 27 to... | 08/29/2006 |
| 7094325 | EDI and related stacks and method and apparatus for preparing such Apparatus and method are disclosed for introducing ion exchange or other particulates into compartments of an already-assembled electrodeionization or comparable stack by modulating a flow of slurry into the compartments with slugs of gas such as air. The air propel... | 08/22/2006 |
| 7081484 | Anion exchange membrane, process for its production and solution treating apparatus An anion exchange membrane comprising a resin phase which contains from 20 to 96 mass % of a polymer having repeating units represented by the following formula (1): wherein A is a C3-8 alkylene group ... | 07/25/2006 |
| 7052790 | Fuel cell system and operation method having a condensed water tank open to atmosphere To avoid pressure variation in a cooling water channel, extend a life of an ion exchange resin used to maintain quality of cooling water and reduce power consumption by auxiliary machinery at low cost. There is provided a polymer electrolyte fuel cell, a cooling wat... | 05/30/2006 |
| 7033472 | Electrodeionization water producing apparatus and method of producing deionized water using same The electrodeionization water producing apparatus comprising a depletion chamber packed with an ion exchange material, the depletion chamber being partitioned by a cation exchange membrane on one side and an anion exchange membrane on the other side, and concentrate... | 04/25/2006 |
| 7019170 | Process for the recovery of lactic acid by contacting aqueous solutions containing the same with a basic organic extractant The invention provides a process for the recovery of lactic acid and products thereof from an aqueous solution containing free lactic acid and at least one lactate salt at a total concentration of at least 5%, the process comprising the steps of: extracting at least... | 03/28/2006 |
| 6998044 | Electrophoretic cross-flow filtration and electrodeionization: method for treating effluent waste and apparatus for use therewith The present invention provides a method and apparatus for purifying effluent wastewater utilizing electrophoretic cross-flow filtration and electrodeionization. The method first comprises filtering the water in a cross-flow direction with a filter membrane (120 | 02/14/2006 |
| 6929748 | Apparatus and method for continuous electrodeionization A method of water purification including the steps of passing source water through at least one reverse osmosis unit to produce a product water and reject water, directing the product water from a reverse osmosis unit into the dilution stream of a continuous electro... | 08/16/2005 |
| 6913741 | System and process for producing halogen oxides A system and process for oxidizing inorganic or organic species is disclosed. The system and process includes feeding a dilute aqueous alkali metal halite solution into a cation exchange column, wherein the cation exchange column contains a cation exchange material;... | 07/05/2005 |
| 6896814 | Fractional deionization process A liquid treatment process is described for sequential removal of ionic species of progressively decreasing ionic strength without precipitation or “scaling.” An aspect of the invention includes dual electrodeionization operations. The first electrodeionization ... | 05/24/2005 |
| 6824662 | Electrodeionization apparatus and method An electrodeionization apparatus and method for purifying a fluid. A fluid, such as water, can be purified by removing weakly ionizable species from the fluid. Weakly ionizable species may be dissociated at different pH levels to facilitate removal from the fluid in... | 11/30/2004 |
| 6814865 | Ion exchange membranes, methods and processes for production thereof and uses in specific applications The invention includes novel anion exchange membranes formed by in situ polymerization of at least one monomer, polymer or copolymer on a woven support membrane and their methods of formation. The woven support membrane is preferably a woven PVC membrane. The invent... | 11/09/2004 |
| 6808608 | Water purifier and method An apparatus for removing charged contaminants from a water stream. The apparatus can be figured to provide the decontaminated water stream to an analytical system. Methods of use of the same are also disclosed. ... | 10/26/2004 |
| 6797140 | Electrodeionization method An electrodeionization method for continuously producing and or separating and/or concentrating ionizable organics present in dilute concentrations in an ionic solution while controlling the pH to within one to one-half pH unit method for continuously producing and ... | 09/28/2004 |
| 6755951 | Electrodialysis of salts for producing acids and bases An electrodialysis cell is operated in the presence of organic compounds that binds or chelates with the multivalent metals to form a metal chelating buffer. Among other things, this binding or chelating reduces power consumption, produces a stable cell operation, a... | 06/29/2004 |
| 6733646 | Method and apparatus for electrodeionization of water An electrodeionization apparatus has an anolyte compartment 17 having an anode 11, a catholyte compartment 18 having a cathode 12, concentrating compartments 15, and desalting compartments 16. The concentrating compartments ... | 05/11/2004 |
