Class 204/233 - Leacher, dissolver or extractor

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus in which the additional electrolyte treatment
No. of patents: 29
Last issue date: 07/13/2010

Number	Title	Issue Date
7754057	Chlorine dioxide solution generator A chlorine dioxide solution generator, which injects a chlorine dioxide solution into a pressurized fluid system, including an absorption loop for effecting the dissolution of chlorine dioxide into a liquid stream. The chlorine dioxide gas source can include an anol...	07/13/2010
7625470	Electrolytic chemical generator for automatic cleaning device A chemical generator device is arranged in association with an appliance having a cleaning zone where objects are cleaned. The chemical generator device includes an inlet to allow the introduction of at least one chemical composition, an operative area where a desir...	12/01/2009
7491302	Electrolytic gas generation method and electrolytic gas generation device Pure water 3 is made to pass through a carbon dioxide contact mechanism, to become carbonated water, and is supplied to an ozone gas and hydrogen gas generation section, so that the concentration of generated ozone gas becomes stable. As a result, the concent...	02/17/2009
7351331	Recreational spa including a bromine generator A bromine generator apparatus is provided for producing bromine from a bromide salt. The apparatus includes an electrical power unit, a housing, and first and second electrodes. The housing has inlet and outlet openings constructed and arranged for permitting the pa...	04/01/2008
7160430	Electrochemical treatment of ammonia in waste-water In a sewage treatment plant, dissolved ammonium is extracted from the waste-water stream, and is transferred to a body of secondary water. The secondary water is passed through an electrolysis station, where the ammonium is transformed to nitrogen gas. The capture a...	01/09/2007
6899803	Method and device for the regulation of the concentration of metal ions in an electrolyte and use thereof In order to regulate the metal ion concentration in an electrolyte fluid serving to electrolytically deposit metal and additionally containing substances of an electrochemically reversible redox system, it has been known in the art to conduct at least one portion of...	05/31/2005
6537440	Processing copper sulphide ores A method for extracting copper from a mineral feed containing copper sulphide mineral 1, which involves crushing and blending the feed 2, 6, 10 followed by leaching of the feed in an autoclave 20. The conditions in the autoclave are controlled so that the...	03/25/2003
6350354	Modular solvent extraction plant A modular solvent extraction plant for extracting metal from a metal are is provided. It includes a stage-wise, plug flow contactor that mixes an aqueous solution and an organic solvent solution into a mixed emulsion, a reactor to further mix the solution...	02/26/2002
6231729	Apparatus for preparing and replenishing an electrolyte in an electrolyte bath An apparatus for supplying a soluble metal compound to an electrolyte solution uses a powder wetting device in a loop from a working tank. The powder wetting machine supplies the powdered metal compound directly into the electrolyte solution which rapidly...	05/15/2001
5639362	Apparatus and method for de-silvering a silver-containing solution An apparatus for de-silvering a silver-containing solution, comprises a plurality of electrolysis cells (10, S1, S2) each having an anode (20, 120, 220) and a cathode (30, 130, 230). A master cell (10) further comprises a reference electrode (45). The rem...	06/17/1997
5614067	Leaching device for electrolyzed silver A leaching device for electrolyzed silver comprising a pair of silver electrodes an electrolysis power source for applying a DC electrolyzing voltage between both of the electrodes, a power source control circuit for ON/OFF control of the electrolysis pow...	03/25/1997
5569370	Electrochemical system for recovery of metals from their compounds An electrochemical system for the recovery of metals from metal ores in which reactions are carried out in separate anode and cathode tanks with the liquid product from the anode tank being separated and purified before being returned to the cathode tank ...	10/29/1996
5552029	Material handling device for electroplating applications A material handling device for reducing spillage of flowable or particulate material dispensed into a storage bin, the device comprising an upper region defining a first opening for receiving such material and a pair of discharge members extending in a di...	09/03/1996
5543020	Cleaning system for electrolytic tanks A cleaning system for electrolytic tanks consisting of a cell with a preferably rectangular layout, very long relative to its width, and which is provided with at least one conduit with perforated walls, and preferably two, which run over the bottom of th...	08/06/1996
5482629	Method and apparatus for separating particles from liquids Method and apparatus for separating immiscible solid or liquid particles such as oil from a liquid-based mixture or emulsion. The apparatus consists of two spaced apart concentric elongated metal cylinders. The wall of the innermost cylinder contains a mu...	01/09/1996
5443700	Method for treating waste water containing oil composed of esters, and treating apparatus thereof A method for treating waster water containing oil composed of esters, which makes reactivation of spent adsorbent possible or unnecessary, and facilitates treatment of waste adsorbent. In order to realize the above method, oil composed of esters is adsorb...	08/22/1995
5420088	Electrochemical catalyst recovery method A method of recovering catalyst material from latent catalyst material solids includes: a) combining latent catalyst material solids with a liquid acid anolyte solution and a redox material which is soluble in the acid anolyte solution to form a mixture; ...	05/30/1995
5364527	Apparatus and process for treating water An apparatus for removing cations/anions from liquids including a container provided with an anode mounted centrally in the container, a cathode surrounding the anode and a layer of ion exchange material mounted between the cathode and anode, the cathode ...	11/15/1994
5118402	Electrolytic silver recovery system for recovering silver from photographic fixing solutions An electrolytic silver recovery system for recovering silver from photographic fixing solutions, by means of an electrolytic cell (28) having an anode (52) and a cathode (53), and circulation pumps (29a, 29b) for removing solution from the cell and return...	06/02/1992
5017274	Method and systems for extracting oxygen employing electrocatalysts Oxygen is extracted from a fluid mixture feedstock by circulating a carrier fluid from an oxygen loading station to an electrochemical cell. The carrier fluid includes a carrier compound capable of reversibly binding oxygen, with oxygen binding dependent ...	05/21/1991
4959135	Polyalkylamine complexes for ligand extraction and generation Methods and apparatus for the extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising linear, pentadentate polyalkylamines...	09/25/1990
4952289	Macrocyclic amine complexes for ligand extraction and generation Methods and apparatus for electrochemical extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising macrocyclic amines havin...	08/28/1990
4830758	Sonic method and apparatus for winning minerals from liquid carriers A liquid carrier having mineral ore in the form of free particles or a salt dissolved therein is contained within a suitable container. A box member which has walls which are pervious to the liquid by virtue of apertures formed therein or the porous natur...	05/16/1989
4824939	Process for leaching particulate solid materials A novel leaching process for separating extractable material from a particulate solid material that comprises extractable and non-extractable portions includes the steps of introducing the particulate solid material and a liquid solvent to an extraction z...	04/25/1989
4676957	Electrolytic separation of cerium/rare earth values Cerium and rare earth values are separated from an aqueous medium comprised thereof, by (i) anodically electrolytically treating such aqueous medium and oxidizing the Ce (III) values therein to Ce (IV) values, (ii) extracting said electrolyzed aqueous med...	06/30/1987
4173519	Method, process, system, and apparatus for recovering metal values from ores A method, process, system, and apparatus for recovering metal values such as gold and silver from ores. The process contemplates the prior separation, through appropriate apparatus, of primary slimes from the coarse fraction of ores and each fraction is p...	11/06/1979
4160716	Method for removing an entrained gas from a liquid medium Disclosed is a cyclone for use in conjunction with electrolytic cells for separating a gas such as hydrogen from the electrolyte solution so as to significantly increase the efficiency of subsequent cells connected in series in a large bank of electrolyti...	07/10/1979
4108744	Recovery of the zinc contained in the residual solutions obtained after electrolytic deposition Process for the recovery of the zinc contained in the residual solutions obtained after electrolytic deposition by fixing the zinc (none of the other metals present in the solution being included in said complex), in the form of a complex by adding of a a...	08/22/1978
4038361	Recovery of nitric acid soluble transition metals from sulfur and iron containing ores of the same The ore is subjected to nitric acid leaching and the leach solution is heated to a temperature at which one of the additional sulfur and iron values is selectively insolubilized with respect to the solution, while the other is maintained in solution for s...	07/26/1977

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Class 204/233 - Leacher, dissolver or extractor