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| Number | Title | Issue Date |
| 7407585 | Water purification system and methods, and module for the system The invention relates to a method and a system for purifying water whereby: the water to be purified is pressurized (13); a pressurized flow of said water is directed onto at least one selective permeability... | 08/05/2008 |
| 7261802 | EDI module with stabilizing DC current A stabilizing DC current interface for an electro-deionization (EDI) water purifying module. Each EDI module comprises anionic/cationic membranes, a center pipe, nets/spacers in concentrate/dilute water chambers and an anode and cathode for coupling to the stabilizi... | 08/28/2007 |
| 6391178 | Electrodeionization system An improved electrodeionization system for removing ions from liquids passed therethrough, comprising a flow-through electrodeionization module, and a power supply electrically connected to the electrodeionization module electrodes so as to establish a vo... | 05/21/2002 |
| 6129828 | Apparatus and methods for active biological sample preparation Systems and methods for the electronic sample preparation of biological materials utilize the differential charge-to-mass ratio and/or the differential affinity of sample constituents to separation materials for sample preparation. An integrated system is... | 10/10/2000 |
| 6074537 | Equipment for electochemical collection removal of ions A method and apparatus concentrates, collects and removes heavy metals, other cations, and anions from media permitting generation of electrical fields. The heavy metals and other cations are electrochemically concentrated and precipitated for rapid remov... | 06/13/2000 |
| 5725748 | Process and installation for treating cellulose waste lye In a process for an electrochemical treatment of cellulose waste lye, mass transport takes place through a diaphragm or membrane between a cathode chamber and an anode chamber, and optionally through a middle chamber. Cationogenic components are removed f... | 03/10/1998 |
| 5616221 | Electrolytic ionized water producing apparatus An electrolytic ionized water (EIW) producing apparatus comprises an anode, a cathode, an electrolyzer which includes an anode chamber, a cathode chamber and an intermediate chamber, inlet lines for supplying an influent water to the three chambers, and o... | 04/01/1997 |
| 5593554 | Electrolytic ionized water producing apparatus In an electrolytic ionized water (EIW) producing apparatus, a three-chamber electrolyzer includes an anode chamber, a cathode chamber and an intermediate chamber. An influent such as deionized water is supplied to these chamber via inlet lines. Further an... | 01/14/1997 |
| 5059298 | Method and apparatus for regulating transmembrane ion movement An improved apparatus and method for regulating transmembrane ion movement through a biochemical membrane. The apparatus includes a magnetic field generator and a magnetic field detector for producing a controlled, fluctuating, directionally oriented magn... | 10/22/1991 |
| 5047128 | Electrodialysis cell for removal of excess electrolytes formed during electrodeposition of photoresists coatings This invention provides a means of controlling the composition of electrodepositable photoresists emulsion. The system removes contaminants from the bath which may adversely effect the quality of the deposited coatings and allows for continuous monitoring... | 09/10/1991 |
| 4713156 | Process for regulating an electro-dialyzer and improved electrodialysis apparatus A process and apparatus for regulating an electrodialyzer having a stack of ion-exchange membranes (2, 3) immersed in an electric field, and including sampling the dilute solution at the discharge (6), measuring in a cell (12) the content of a predetermin... | 12/15/1987 |
| 4671861 | Measurement and control of net caustic production during electrodialysis A method of and apparatus having utility in an electrodialysis and electrosynthesis process energized by direct eletrical current for the purification and replenishment of an electroless copper plating solution comprises indirectly measuring the hydroxide... | 06/09/1987 |
| 4539091 | Electrodialysis desalination process and system for seawater An electrodialysis desalination process for seawater comprising the steps of collecting seawater and heating same by solar heat; subjecting seawater thus heated to electrodialysis; and separating same into two portions of a diluted solution and a concentr... | 09/03/1985 |
| 4381232 | Multi-stage electrodialysis stack electrode reversal system and method of operation An improved electrodialysis stack electrode reversal system and method of operation is disclosed in which each of the electrode pairs forming an electrical stage in such stack are reversed on a sequential stage by stage basis. The sequential reversal is t... | 04/26/1983 |
