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Class Information
Number: 205/748
Name: Electrolysis: processes, compositions used therein, and methods of preparing the compositions > Electrolytic material treatment (product, process, and electrolyte composition) > Water, sewage, or other waste water > Using membrane > Plural membranes
Description: Subject matter in which two or more membranes are used.

Sub-classes under this class:

Class Number Class Name Patents
205/749 With recycle or reuse 33

Patents under this class:

Patent Number Title Of Patent Date Issued
8679515 Activated carbon associated with alkaline or alkali iodide Mar. 25, 2014
8491771 Electrolyzer cell for producing acidic or alkaline electrolyzed water Jul. 23, 2013
8449747 Method and device for selective cation extraction by electrochemical transfer in solution and applications of said method May. 28, 2013
8337686 Electroregeneration apparatus and water treatment method Dec. 25, 2012
8173006 Apparatus and method for producing electrolyzed water May. 8, 2012
7790016 Integrated electrolytic-electrodialytic apparatus and process for recovering metals from metal ion-containing waste streams Sep. 7, 2010
6787021 Purification of onium hydroxides by electrodialysis Sep. 7, 2004
6413409 Flow-through capacitor and method of treating liquids with it Jul. 2, 2002
6284124 Electrodeionization apparatus and method Sep. 4, 2001
6217743 Process for recovering organic hydroxides from waste solutions Apr. 17, 2001
6126810 Generation of active chlorine in the presence of an organic load from sodium chloride in water Oct. 3, 2000
5961803 Leaching process Oct. 5, 1999
5951845 Process for recovering organic hydroxides from waste solutions Sep. 14, 1999
5888357 Apparatus and method for producing ionic water and system and method for producing electrolytic ionic water Mar. 30, 1999
5876590 Electrochemical leaching of soil Mar. 2, 1999
5846397 Plant and process for achieving structured waters of the "I" type-inhibitively activated and "S" type stimulatively activated Dec. 8, 1998
5783790 Wet treatment method Jul. 21, 1998
5756874 Electrochemical cell for processing organic wastes May. 26, 1998
5733434 Apparatus and method for cleaning semiconductor wafers Mar. 31, 1998
5725753 Apparatus and method for cleaning semiconductor wafers Mar. 10, 1998
5720869 Equipment and process for producing high-purity water Feb. 24, 1998
5705050 Electrolytic process and apparatus for the controlled oxidation and reduction of inorganic and organic species in aqueous solutions Jan. 6, 1998
5679228 Electrodialysis including filled cell electrodialysis (electrodeionization) Oct. 21, 1997
5679229 Electrodialysis including filled cell electrodialysis (electrodeionization) Oct. 21, 1997
5616221 Electrolytic ionized water producing apparatus Apr. 1, 1997
5599438 Method for producing electrolyzed water Feb. 4, 1997
5593563 Electrodeionization process for purifying a liquid Jan. 14, 1997
5536385 Production and purification of contaminated effluent streams containing ammonium sulfate and ammonia Jul. 16, 1996
5259936 Purified ion exchange resins and process Nov. 9, 1993
5141610 Electrodialytic process for restoring sodium hydroxide etchants for aluminum Aug. 25, 1992
5089097 Electrolytic method for recovering silver from waste photographic processing solutions Feb. 18, 1992
5047126 Method for recovering metal from waste stream Sep. 10, 1991
5045204 Method and apparatus for generating a high purity chromatography eluent Sep. 3, 1991
4830721 Electrochemical deoxygenation process for corrosion control in deionized waters May. 16, 1989
4457816 Electrolysis method for decomposing water into hydrogen gas and oxygen gas Jul. 3, 1984
4445987 Electrolytic purification and reconcentration of wash and rinse caustic solutions recovered from the regeneration of ion exchange resins May. 1, 1984
4396475 Process for continuously regenerating ferric chloride solutions Aug. 2, 1983
4172774 Method and apparatus for lessening ionic diffusion Oct. 30, 1979
3963567 Electrolyticdialysis Jun. 15, 1976

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