Patent application number | Description | Published |
20080237045 | INJECTION BONDED ARTICLES AND METHODS OF FABRICATION AND USE THEREOF - Injection bonded articles comprised of a rigid core and secured together with an elastomeric material network which also forms seals and encapsulates at least a portion of the rigid core. The elastomeric material is selected to be compatible with the material comprising the rigid core to create a chemical and mechanical bond therebetween. Injection bonding and over-molding techniques are used to fabricate an electrodeionization apparatus spacer comprised of mated rigid segments secured by a unitary elastomeric material network that also forms internal and external seals that fluidly isolate one or more of inlet ports, resin cavities, and outlet ports as well as throughports. Injection bonding and over-molding techniques can also be used to fabricate other articles comprised of multiple segments. | 10-02-2008 |
20100140095 | ON-DEMAND INTERMITTENT HIGH PURITY WATER PRODUCTION SYSTEM - An on-demand system for intermittent high purity water production which by locating a storage tank for pre-polished water just prior to a final high purity polishing device reduces the potential for stagnant water in the system to reduce or degrade product high purity water quality and reduces the actual degradation of high purity water quality. Pre-polished water is preferably produced by reverse osmosis. Final polished water is produced by continuous electrodeionization. | 06-10-2010 |
20100140153 | MANIFOLD BLOCK FOR REVERSE OSMOSIS SYSTEMS - Manifold blocks are preferably injection molded thermoplastic components of a pressurized membrane water treatment system, preferably a reverse osmosis system. A manifold block comprises a structural member of the system having at least one integral flow channel. Each channel has one or more fluidly interconnectable inlet ports and fluidly interconnectable outlet ports. The manifold block provides interconnection for modules and pumps and passageways for liquid transport. The novel manifold blocks described allow RO systems to be designed and fabricated with improved accessibility, ease of fabrication and modification in the field, and compact structure. | 06-10-2010 |
20100282689 | LOW ENERGY SYSTEM AND METHOD OF DESALINATING SEAWATER - A low energy water treatment system and method is provided. The system has at least one electrodialysis device that produces partially treated water and a brine byproduct, a softener, and at least one electrodeionization device. The partially treated water stream can be softened by the softener to reduce the likelihood of scale formation and to reduce energy consumption in the electrodeionization device, which produces water having target properties. At least a portion of the energy used by the electrodeionization device can be generated by concentration differences between the brine and seawater streams introduced into compartments thereof. The brine stream can also be used to regenerate the softener. | 11-11-2010 |
20110180477 | LOW ENERGY SYSTEM AND METHOD OF DESALINATING SEAWATER - A low energy system and process for seawater desalination wherein the system has at least an electrodialysis apparatus that produces partially desalinated water and a brine by-product, an ion exchange softener, and at least one electrodeionization apparatus. The softener treats the partially desalinated water stream to remove or reduce the amount of scaling material in order to maintain deionization apparatus efficiency and reduce energy consumption. The softener has the capability of removing a higher ratio of calcium ions to magnesium ions than is in the partially desalinated stream, thereby reducing softener size and energy use. The deionization apparatus produces product water of the desired properties. The brine stream may be used to regenerate the softener. | 07-28-2011 |
20110284376 | SYSTEMS AND TECHNIQUES FOR ELECTRODIALYSIS - Electrochemical separation devices are configured for lower energy consumption. Techniques for reducing shadow effect may involve providing distance between a spacer screen and an adjacent ion-selective membrane. A spacer having a screen that is thin relative to a surrounding frame may be used. Mild pressure may also be applied to a compartment to promote distance between a spacer screen and an adjacent ion-selective membrane. | 11-24-2011 |
20110303544 | APPARATUS FOR FLUID PURIFICATION AND METHODS OF MANUFACTURE AND USE THEREOF - The present invention generally relates to devices able to purify fluids electrically that are contained within pressure vessels, as well as to methods of manufacture and use thereof. Liquids or other fluids to be purified enter the purification device and, under the influence of an electric field, are treated to produce an ion-depleted liquid. Species from the entering liquids are collected to produce an ion-concentrated liquid. Increasing the exterior pressure on the device may reduce the pressure difference between the interior of the device and the exterior, which may reduce manufacturing costs or simplify construction. | 12-15-2011 |
20120117789 | Methods of Making a Cell Stack for an Electrical Purification Apparatus - An electrical purification apparatus and methods of making same are disclosed. The electrical purification apparatus may provide for increases in operation efficiencies, for example, with respect to current efficiencies and membrane utilization. | 05-17-2012 |
20120118728 | ELECTRICAL PURIFICATION APPARATUS HAVING A BLOCKING SPACER - An electrical purification apparatus and methods of making same are disclosed. The electrical purification apparatus may provide for increases in operation efficiencies, for example, with respect to current efficiencies and membrane utilization. | 05-17-2012 |
20120118729 | MODULAR ELECTROCHEMICAL SYSTEMS AND METHODS - An electrochemical separation system may be modular and may include at least a first modular unit and a second modular unit. Each modular unit may include a cell stack and a frame. The frame may include a manifold system. A flow distribution system in the frame may enhance current efficiency. Spacers positioned between modular units may also enhance current efficiency of the system. | 05-17-2012 |
20120118730 | MODULAR ELECTROCHEMICAL SYSTEMS AND METHODS - An electrochemical separation system may be modular and may include at least a first modular unit and a second modular unit. Each modular unit may include a cell stack and a frame. The frame may include a manifold system. A flow distribution system in the frame may enhance current efficiency. Spacers positioned between modular units may also enhance current efficiency of the system. | 05-17-2012 |
20120118731 | Flow Distributors for Electrochemical Separation - An electrochemical separation system may be modular and may include at least a first modular unit and a second modular unit. Each modular unit may include a cell stack and a frame. The frame may include a manifold system. A flow distribution system in the frame may enhance current efficiency. Spacers positioned between modular units may also enhance current efficiency of the system. | 05-17-2012 |
20120118738 | METHOD OF PROVIDING A SOURCE OF POTABLE WATER - An electrical purification apparatus and methods of making same are disclosed. The electrical purification apparatus may provide for increases in operation efficiencies, for example, with respect to current efficiencies and membrane utilization. | 05-17-2012 |
20120118742 | Techniques for Promoting Current Efficiency in Electrochemical Separation Systems and Methods - An electrochemical separation system may be modular and may include at least a first modular unit and a second modular unit. Each modular unit may include a cell stack and a frame. The frame may include a manifold system. A flow distribution system in the frame may enhance current efficiency. Spacers positioned between modular units may also enhance current efficiency of the system. | 05-17-2012 |
20120118743 | ELECTRICAL PURIFICATION APPARATUS - An electrical purification apparatus and methods of making same are disclosed. The electrical purification apparatus may provide for increases in operation efficiencies, for example, with respect to current efficiencies and membrane utilization. | 05-17-2012 |
20120118744 | ELECTROCHEMICAL SEPARATION MODULES - An electrochemical separation system may be modular and may include at least a first modular unit and a second modular unit. Each modular unit may include a cell stack and a frame. The frame may include a manifold system. A flow distribution system in the frame may enhance current efficiency. Spacers positioned between modular units may also enhance current efficiency of the system. | 05-17-2012 |
20120199484 | ELECTRICAL PURIFICATION APPARATUS AND METHODS OF MANUFACTURING SAME - An electrical purification apparatus and methods of making same are disclosed. The electrical purification apparatus may provide for increases in operation efficiencies, for example, with respect to decreased residence times and higher purity water. | 08-09-2012 |
20130008791 | METHOD AND SYSTEM FOR IRRIGATION - An electrically-driven separation apparatus can be utilized to desalinate seawater and/or brackish water to provide irrigation water having a desired sodium adsorption ratio (SAR). | 01-10-2013 |
20130008858 | Systems and Methods for Process Stream Treatment - Systems and methods for process stream treatment. The treatment system may generally include an oxidation unit coupled to a downstream demineralization unit. The oxidation unit may oxidize organic and reduced sulfur contaminants in the process stream to facilitate downstream treatment. The demineralization unit may convert a product of the oxidation unit to generate a mineral stream. In some examples, the process stream may be a spent caustic stream from an industrial operation, such as an ethylene production facility or a petroleum refinery. A fresh caustic stream, such as a sodium hydroxide stream, may be isolated in the demineralization step and returned to the industrial operation for use. | 01-10-2013 |
20130015135 | METHOD AND SYSTEM FOR WATER TREATMENT - Water treatment systems including electrically-driven and pressure-driven separation apparatus configured to produce a first treated water suitable for use as irrigation water and a second treated water suitable for use as potable water from one of brackish water and seawater and methods of operation of same. | 01-17-2013 |
20130126355 | LOW SCALE POTENTIAL WATER TREATMENT - An electrochemical treating device having low scale potential is disclosed. The device has a variety of configurations directed to the layering of the anionic exchange and cationic exchange. The treatment device can also comprise unevenly sized ion exchange resin beads and/or have at least one compartment that provides a dominating resistance that results in a uniform current distribution throughout the apparatus. | 05-23-2013 |
20140115877 | METHODS OF MAKING A CELL STACK FOR AN ELECTRICAL PURIFICATION APPARATUS - An electrical purification apparatus and methods of making same are disclosed. The electrical purification apparatus may provide for increases in operation efficiencies, for example, with respect to current efficiencies and membrane utilization. | 05-01-2014 |
20140183045 | Electrodesalination System and Method - Systems and methods for the desalination of seawater or brackish water for the purpose of obtaining potable water. Systems may include a combination of electrodialysis and electrodeionization modules. The system configuration and process controls may achieve low energy consumption and stable operation. | 07-03-2014 |
20140216934 | ELECTROCHEMICAL DESALINATION FOR OIL RECOVERY - Electrically-driven separation systems and methods for use in oil recovery. | 08-07-2014 |