Patent application number | Description | Published |
20090110806 | METHOD FOR PRODUCING AN ELECTRODE AND DEVICE - A method includes: coat a slurry that includes a carbon material, a water-insoluble binder, and a water-soluble polymer on a surface of a current collector to form a template structure; then dry the template structure; and finally, contact the template structure to an aqueous solution, and thereby to remove the water-soluble polymer and to form at least one electrode having a plurality of pores. | 04-30-2009 |
20090159448 | ELECTROLYSIS DEVICE, METHOD, AND WASHER USING SUCH A DEVICE - An electrolysis device, for producing alkaline water from water, includes an electrolysis vessel, a pair of high porous electrodes arranged in the electrolysis vessel, and a cell unit arranged between the positive and negative electrodes. The pair of high porous electrodes respectively serve as a positive electrode and a negative electrode. The cell unit includes a bipolar membrane element and at least one cation exchangeable membrane. The bipolar membrane element has a cation exchangeable side and an anion exchangeable side. The cation exchangeable side is closer to the negative electrode than the anion exchangeable side. The cation exchangeable membrane is arranged between the anion exchangeable side of the bipolar membrane element and the positive electrode, so as to define an alkalic chamber between the bipolar membrane element and the cation exchangeable membrane. | 06-25-2009 |
20090159460 | ELECTRODIALYSIS DEVICE AND PROCESS - A device includes a first electrode and a second electrode spaced from the first electrode to define a volume. An anion exchange membrane and a cation exchange membrane are disposed within the volume. A controller controls a supply of electrical current from an electrical source to the first electrode and to the second electrode. The electrical current supply is controlled to switch from a first mode of operation to a second mode of operation providing electrical current having a reverse polarity during each cycle. The electrical current is supplied at a controlled cycle rate and for a controlled duration. The cycle rate is greater than about 100 hertz and less than about 10 kilohertz. | 06-25-2009 |
20100147704 | ION-EXCHANGE DEVICE AND REGENERATION METHOD OF ION-EXCHANGE MATERIAL THEREOF - An electrochemical device comprises an electrochemical cell. The electrochemical cell comprises a composite cation-exchange member including a conductive base and a cation-exchange material in physical contact with the conductive base, a composite anion-exchange member including a conductive base and an anion-exchange material in physical contact with the conductive base; and a compartment between the composite cation-exchange and anion-exchange members. The compartment comprises an inlet for introducing a feed stream, and an outlet for exiting of an output stream out of the compartment. The electrochemical device comprises a control device configured to transmit an electrical current to the composite cation-exchange and anion-exchange members at a regeneration stage in a manner that the conductive base on the composite cation-exchange member loses electrons and the conductive base on the composite anion-exchange member gains electrons. | 06-17-2010 |
20100242995 | METHOD FOR REMOVING IONIC SPECIES FROM DESALINATION UNIT - A method for removing ionic species from a desalination unit, comprises: (a) circulating a wash stream in a closed loop comprising a desalination unit and a precipitation unit, the wash stream flowing at a linear velocity of at least 5 cm/second through the desalination unit, the wash stream becoming more saline after passage through the desalination unit; and (b) removing a portion of calcium sulfate from the wash stream by precipitation in the precipitation unit to obtain a supersaturation degree of calcium sulfate in the wash stream entering the desalination unit in a range of from about 1.0 to about 3.0. | 09-30-2010 |
20110024354 | DESALINATION SYSTEM AND METHOD - A desalination system comprises an electrical separation device configured to receive and ionize a first stream for desalination and a crystallization device. The crystallization device is configured to provide a second stream to the electrical separation device to carry away ions from the first stream, and defining a crystallization zone for facilitating precipitation of the ions and a solid-liquid separation zone in fluid communication with the crystallization zone for separation of the precipitate. A desalination method is also presented. | 02-03-2011 |
20110024359 | METHOD FOR REMOVING CHLORIDE FROM AQUEOUS SOLUTION - A method for removing chloride from an aqueous solution having an initial chloride ion (Cl | 02-03-2011 |
20110042219 | NON-FARADAY BASED SYSTEMS, DEVICES AND METHODS FOR REMOVING IONIC SPECIES FROM LIQUID - A non-Faraday ionic species removal process and system is described. The system includes a power supply, a pump for transporting a liquid through the system, and a plurality of porous electrodes. The electrodes , each include an electrically conductive porous portion. The electrodes may also include a substrate contiguous with the porous portion. The porous electrode can be utilized in electrodialysis and electrodialysis reversal systems. A method for forming a porous electrode is described. | 02-24-2011 |
20110042232 | SOLID ELECTROLYTE PRODUCING ASSEMBLY AND METHOD - A solid electrolyte producing system includes a supercapacitor desalination device comprising a power supply and a supercapacitor desalination unit. The supercapacitor desalination unit includes a pair of electrodes electrically coupled to the power supply and operable in a charging mode of operation and a discharging mode of operation. A feeding source is configured to provide a feed liquid to the supercapacitor desalination unit when the supercapacitor desalination unit is in the charging mode of operation. The feed liquid comprises at least one determined electrolyte. A crystallization device is providing for receiving a concentrated liquid from the supercapacitor desalination device in the discharging mode of operation, the concentrated liquid being a saturated liquid or supersaturated liquid of the at least one determined type of electrolyte. The at least one determined type of electrolyte precipitates in the crystallization device as solid electrolyte. The system further comprises a separation device for separating the solid electrolyte from the liquid of the crystallization device as a solid electrolyte product. | 02-24-2011 |
20110073487 | ELECTROCHEMICAL DESALINATION SYSTEM AND METHOD - An electrochemical desalination system includes a first and a second electrochemical device and a controller. The first and second electrochemical devices each comprises a electrochemical desalination module comprising at least one pair of electrodes and a compartment between each pair of electrodes for receiving an electrolyte solution. Each of the first and second electrochemical desalination devices comprises a plurality of successive operation cycles. Each cycle comprises a charging mode of operation for charging each pair of electrodes and for adsorbing ions in the electrolyte solution on the electrodes, and a discharging mode of operation for discharging the pair of electrodes and for desorbing ions from the pair of electrodes. The controller is configured to control the system that the first and second electrochemical desalination devices have interleaved charging and discharging modes of operation. One of the first and second electrochemical desalination devices is in a discharging mode and the at least one pair of electrodes release electrical current, while the other of the first and second electrochemical desalination devices is in a charging mode of operation and receives the electrical current released from said one of the first and second electrochemical desalination device. | 03-31-2011 |
20110114567 | PRECIPITATION DEVICE, METHOD AND ASSOCIATED SYSTEM - A precipitation device comprises a precipitation element disposed within a vessel and configured to define a precipitation zone and a solid-liquid separation zone between the precipitation element and the vessel, the precipitation zone configured to receive a first stream of saline liquid and to precipitate solids from the saline liquid, the solid-liquid separation zone configured to settle the solids by gravity, and an exit port located in an upper portion of the vessel and configured for exit of a second stream of liquid of lower salinity than the first stream, wherein a ratio of a diameter of the vessel to a diameter of the precipitation element ranges from about 1.5 to about 2.8. Associated system and method are also provided. | 05-19-2011 |
20110175252 | METHODS FOR PREPARING COMPOSITION, SHEET COMPRISING THE COMPOSITION AND ELECTRODE COMPRISING THE SHEET - Methods for preparing an electrode comprise: providing a mixture of carbon particles and a solvent and shearing the mixture to form a dispersion of the carbon particles in the solvent; adding non-fibrillated POLY(TETRAFLUOROETHYLENE) to the dispersion to provide a resultant mixture and shearing the resultant mixture until at least a portion of the poly(tetrafluoroethylene) has been fibrillated; processing the resultant mixture into a sheet; and attaching the sheet onto a current collector. Methods for preparing sheet for the electrode and composition for the sheet are also provided. | 07-21-2011 |
20110210069 | WATER TREATMENT DEVICE AND METHOD - A water treatment device comprises: a membrane desalination unit; a first conduit transporting a first stream of feed water to the membrane unit; a second conduit transporting a first stream of product water from the membrane desalination unit; an electrical separation unit; a third conduit transporting a first stream of reject water from the membrane desalination unit to the electrical separation unit; a fourth conduit transporting a second stream of product water from the electrical separation unit; a precipitation unit; a fifth conduit transporting a second stream of reject water from the electrical separation unit to the precipitation unit; a sixth conduit transporting a second stream of feed water from the precipitation unit to the electrical separation device; a seventh conduit releasing a discharge stream of water; and a chemical injection unit communicating with at least one of the electrical separation device and the precipitation unit. Associated method is provided. | 09-01-2011 |
20120037511 | SUPER-CAPACITOR DESALINATION DEVICES AND METHODS - A super-capacitor desalination device is described and includes a pair of terminal electrodes and at least one bipolar electrode located between the terminal electrodes. The at least one bipolar electrode has an ion exchange material disposed on opposing surfaces thereof The ion exchange material is a cation exchange material or an anion exchange material. A method for super-capacitor desalination is also provided. | 02-16-2012 |
20120097609 | METHODS AND SYSTEMS FOR TREATMENT OF AQUEOUS OILY SOLUTIONS - A method for treatment of an aqueous oily solution includes combining the aqueous oily solution with one or more miscible organic solvents to produce a mixture of precipitated solids and a liquid phase; separating the precipitated solids from the liquid phase; separating the liquid phase at least into an organic phase and an aqueous phase; and removing at least a portion of one or more oily substances from the organic phase. A system for treatment of an aqueous oily solution is also presented. | 04-26-2012 |
20120325743 | SYSTEMS AND PROCESSES FOR TREATMENT OF SOLUTIONS - A treatment system is provided and comprises a precipitation unit and a recovery unit. The precipitation unit is configured to treat a solution using one or more miscible organic solvents to produce a mixture of precipitate solids and a liquid. The recovery unit is in fluid communication with the precipitation unit and configured to facilitate separating the liquid at least into an organic phase liquid and an aqueous phase liquid comprising a portion of the one or more miscible organic solvents. The treatment system further comprises a purification unit comprising one or more membrane devices in fluid communication with the recovery unit and configured to separate at least a portion of the one or more miscible organic solvents in the aqueous phase liquid from the aqueous phase liquid. A treatment system and a treatment process are also presented. | 12-27-2012 |
20130306482 | IONIC SPECIES REMOVAL SYSTEM - The present invention relates to an ionic species removal system comprising one or more electrode stack(s), each electrode stack including two electrodes and cation exchange membranes and anion exchange membranes alternately arranged between the two electrodes, wherein at least one electrode of at least one of the electrode stack(s) is an electrode coated with an ion exchange coating. The ionic species removal system mitigates the scaling risk by employing an electrode coated with an ion exchange coating. | 11-21-2013 |
20140014145 | ELECTROLYSIS DEVICE AND RELATED DETERGENTLESS WASHING MACHINE - An electrolysis device is disclosed for producing alkaline water from water including an electrolysis vessel, a positive electrode, a negative electrode, a bipolar membrane element, and at least one cation exchangeable membrane within the electrolysis vessel. The bipolar membrane element has a cation exchangeable side and an anion exchangeable side, the cation exchangeable side being closer to the negative electrode than the anion exchangeable side. The at least one cation exchangeable membrane is arranged between the anion exchangeable side of the bipolar membrane element and the positive electrode, so as to define an alkali chamber between the bipolar membrane element and the cation exchangeable membrane. An ionic exchange resin is associated with the vessel, whereby flow of the water though the vessel and the ionic exchange resin produces alkaline water in the alkali chamber. Various options and modifications are possible. A related washing machine such as a dishwasher is also disclosed. | 01-16-2014 |
20140209462 | DESALINATION SYSTEM AND METHOD - A desalination system is provided. The desalination system comprises a desalination apparatus. The desalination apparatus comprises first and second electrodes, and a first group of paired ion exchange membranes disposed between the first and second electrodes to form a first group of alternating first and second channels. The first channels are configured to receive a first stream for desalination and the second channels are configured to receive a second stream to carry away ions removed from the first stream, respectively. The desalination apparatus further comprises a plurality of spacers disposed between each pair of the adjacent ion exchange membranes and between the first and second electrodes and the respective ion exchange membranes. Wherein each of the ion exchange membranes in the first group is a cation exchange membrane. A desalination system and a method for removing ions from an aqueous stream area also presented. | 07-31-2014 |
20140311960 | WATER TREATMENT DEVICE AND METHOD - A water treatment device including an electro-coagulation (EC) unit for treating a stream of feed water to produce a stream of EC treated water of lower salinity than the stream of feed water, an electrical separation unit for treating the stream of EC treated water to obtain a stream of product water of lower salinity than the EC treated water, and a precipitation unit for providing a stream of wash water to wash the electrical separation unit and become a stream of reject water flowing back to the precipitation unit, wherein precipitation in the precipitation unit produces the stream of wash water of lower salinity than the stream of reject water. | 10-23-2014 |
20140339087 | SUPERCAPACITOR DESALINATION CELLS, DEVICES AND METHODS - A supercapacitor desalination cell comprises a first electrode, a second electrode, a spacer disposed between the first and second electrodes, and a monovalent ion selective layer disposed on at least one of the first and second electrodes. A supercapacitor desalination device and a method for desalination of a liquid are further presented. | 11-20-2014 |
20140339163 | PERFORMANCE OF A MEMBRANE USED IN MEMBRANE DISTILLATION - The present disclosure provides a method for improving the performance of a membrane for use in a membrane distillation process, and a membrane produced by the method. The method includes subjecting the membrane to a pressure difference across the membrane in order to open closed pores in the membrane. | 11-20-2014 |
20150041322 | DESALINATION SYSTEM AND METHOD - A desalination system comprises a silica removal unit. The silica removal unit comprises first and second electrodes, a plurality of ion exchange membranes disposed between the first and second electrodes and a plurality of spacers disposed between adjacent ion exchange membranes and between the first and second electrodes and the respective ion exchange membranes. The plurality of the ion exchange membranes comprises a pair of cation exchange membranes and a pair of anion exchange membranes disposed between the pair of cation exchange membranes. A first channel is defined between the anion exchange membranes and second and third channels are defined between each anion exchange membrane and an adjacent cation exchange membrane. A silica removal apparatus and a desalination method are also presented. | 02-12-2015 |