Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617)
07/2006
07/12/2006EP1288339A9 Method of producing a higher-purity metal
07/12/2006CN1802456A Method for regenerating etching solutions containing iron for the use in etching or pickling copper or copper alloys and an apparatus for carrying out said method
07/12/2006CN1263897C Cathode plate
07/12/2006CN1263896C Method for extracting zinc and manganese dioxide from waste dry batteries
07/12/2006CN1263895C Electrolytic appts. and electrolytic treatment method
07/12/2006CN1263894C Plating and osmosizing combined process for preparing multiple elements osmosized anticorrosion Ni-base-alloy
07/06/2006WO2006071419A2 Electrical, plating and catalytic uses of metal nanomaterial compositions
07/06/2006US20060144717 For recovering copper from chalcopyrite-containing ore using pressure leaching and direct electrowinning in combination with a leaching, solvent/solution extraction and electrowinning operation; reduced cost
07/06/2006US20060144716 Process for multiple stage direct electrowinning of copper
07/06/2006US20060144701 Apparatus and process for the production of metals in stacked electrolytic cells
07/05/2006CN1796608A Method and equipment for purifying ytterbium and gathering thulium and lutetium
07/05/2006CN1262677C Refined method for copper materials containing copper sulphide minerals
06/2006
06/29/2006US20060141784 Utilizing suppressor comprising one or more ethylene oxide-propylene oxide copolymers bonded to nitrogen containing species; smoothness; preventing voids and defects
06/29/2006US20060137975 Apparatus for controlling flow in an electrodeposition process
06/28/2006EP1483431A4 Minimising carbon transfer in an electrolytic cell
06/28/2006CN2791070Y Automatic controller for closed loop electrolytic silver recovery
06/22/2006WO2006049631A3 Process for multiple stage direct electrowinning of copper
06/22/2006WO2005080640A3 Process and plant for electrodepositing copper
06/21/2006CN1789500A Negative plate
06/07/2006EP1666613A1 Improvement to silver and gold leaching method with thiourea solutions
06/07/2006EP1663860A2 Method for the purification of sulphuric acids
06/01/2006US20060113197 Contacting water with a composite of 36 to 65% by weight solid acid catalyst (aluminum silicate) and a solid base catalyst (K2O, CaO or MgO) at a temperature at which pH values of the (H2O/O2 redox) potential and (H2O/H2 redox) potential are equal to each other
05/2006
05/31/2006EP1660700A2 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction
05/31/2006CN1258002C Electrolysis apparatus for electrolytic copper foil and electrolytic copper foil produced in electrolysis apparatus
05/24/2006CN1777703A Homogenous solid solution alloys for sputter-deposited thin films
05/24/2006CN1775972A Technology for extracting Gallium metal from lead-zine tail ore slug smelting by extracting-electrolytic method
05/18/2006US20060102493 Enrichment of oxygen for the production of hydrogen from hydrocarbons with co2 capture
05/17/2006CN1772965A Magnesium alloy cathode plate for alkaline solution electrolyzing zinc
05/17/2006CN1772957A Electrolytic method for high Bi crude aluminum
05/17/2006CN1772956A Electrodeposition decoppering technique of high-arsenic and low-copper solution
05/17/2006CN1772345A Waste gas desulfurizing method with composite absorbant comprising pyrolusite and pH buffering agent
05/16/2006US7045238 SORFC power and oxygen generation method and system
05/11/2006WO2006049631A2 Process for multiple stage direct electrowinning of copper
05/04/2006US20060091021 Removing surface oxides from copper
05/04/2006US20060091017 Electrolysis process and cell for use in same
04/2006
04/25/2006US7033480 Process for recovering platinum group metals from material containing base metals
04/18/2006US7029568 electrolytically processing an aluminum or aluminum alloy in an electrolyte of sulfuric acid, oxalic acid, and/or phosphoric acid doped with a negative ion generating metal salt to develop an anodized layer and to deposit on it a negative ion generating metal from the metal salt
04/13/2006US20060076246 Water electrolysis method and device for determination of hydrogen and oxygen stable isotopic composition
04/06/2006US20060070886 Methods of removing sulfur from a fuel cell electrode
04/05/2006CN1249269C Method for recovering stibium and bismuth from copper electrolyte
04/05/2006CN1249257C Mtehod for hydrolytic precitpitation of iron
03/2006
03/30/2006US20060065545 System and method for production of hydrogen
03/30/2006US20060065544 Process for preducing mixed electrolyzed water
03/30/2006US20060065543 Metal particles and method for producing same
03/29/2006CN1752235A Methpd for separating and recovering Sb and Bi
03/23/2006DE102004042481A1 Verfahren zur Herstellung von Metallbändern hoher Reinheit aus Kathodenblechen A process for producing high purity metal strips from cathode sheets
03/22/2006EP1412557B1 Process for direct electrowinning of copper
03/22/2006CN1751139A Electrolyzer apparatus and method for hydrogen production
03/16/2006WO2006028727A1 Gas driven actuation feed tube for combustion powered fastener-driving tool
03/16/2006WO2006027412A1 Preparation of zinc chemicals from the minor flow of a process
03/16/2006CA2578938A1 Gas driven actuation feed tube for combustion powered fastener-driving tool
03/16/2006CA2577863A1 Preparation of zinc chemicals from the minor flow of a process
03/15/2006CN1748046A Method for copper electrowinning in hydrochloric solution
03/14/2006US7012209 Method of gold separation and gold separation device
03/02/2006US20060042955 Arc-hydrolysis fuel generator with supplemental energy recovery
03/02/2006DE102005005819B3 Lead anode for recovering zinc and/or copper comprises heat recognition elements having surface region provided with thermo-chromic lacquer
02/2006
02/23/2006WO2006020078A2 System and method for producing copper powder by electrowinning using the ferrous/ferric anode reaction
02/23/2006US20060040126 Electrolytic alloys with co-deposited particulate matter
02/23/2006US20060037671 Nano invar alloys and process for producing the same
02/22/2006EP1560948A4 Electrolysis process and cell for use in same
02/21/2006US7001085 Monitoring the concentration of a retarding by-product during automatic high-speed processing by reducing the concentration in the solution by a first method; if exceeding the limit, activating concurrent operation of a second method
02/08/2006CN2756645Y Combined zinc electrolytic bath polar plate insulation guide frame
02/08/2006CN1240879C Method and system for recovering and removing copper from fluid
02/02/2006WO2006010305A1 A method for producing high-purity nickel
02/02/2006US20060021880 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anode
02/02/2006DE10326767B4 Verfahren zur Regenerierung von eisenhaltigen Ätzlösungen zur Verwendung beim Ätzen oder Beizen von Kupfer oder Kupferlegierungen sowie eine Vorrichtung zur Durchführung desselben Of the same method for regenerating etching solutions containing iron for the use in etching or pickling copper or copper alloys, as well as an apparatus for performing
01/2006
01/26/2006WO2005028362A3 Method for the purification of sulphuric acids
01/26/2006US20060016697 System and method for producing metal powder by electrowinning
01/26/2006US20060016696 System and method for producing copper powder by electrowinning in a flow-through electrowinning cell
01/25/2006CN1724697A Method of manufacturing electrolytic metal manganese using titanium white waste acid and manganese dioxide ore
01/24/2006CA2188142C Mist suppressant for solvent extraction metal electrowinning
01/18/2006CN2752274Y Electrolytic apparatus for producing copper foil
01/18/2006CN1237192C Deep purifying method for manganese sulfate solution
01/17/2006CA2348492C Electrowinning anodes which rapidly produce a protective oxide coating
01/11/2006CN1720353A Composition and method for copper chemical mechanical planarization
01/11/2006CN1718783A Technololgy of extracting zinc, copper, nickel, cobalt from oxide ore by hydrometallurgy and its device
01/11/2006CN1236082C Wet method copper-extracting process
01/05/2006WO2006000880A1 Method for producing nickelic hydroxide
01/04/2006CN1715454A Method for producing high-purty nickel, high-purity nickel formed sputtering target and thin film formed by using said sputtering target
01/04/2006CN1234914C Nano twin crystal copper material with ultrahigh strength and superhigh conductivity as well as preparation method
12/2005
12/29/2005WO2005123985A2 Germanium and germanium alloy nanoparticle and method for producing the same
12/29/2005WO2005123605A1 Equipment and method for electrolytic deposition treatment
12/28/2005EP1366201B1 A method for the removal of calcium from a zinc process sulfate solution
12/22/2005WO2005121412A2 Electrolytic solution for promoting electrolysis of water
12/21/2005EP1257674B1 Method for upgrading steel plant dust
12/15/2005WO2005118894A1 Leaching process for copper concentrates
12/08/2005WO2005115593A1 Method of obtaining electrolytic manganese from ferroalloy production waste
12/08/2005WO2005012597B1 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction
12/08/2005US20050269210 Electrolytic solution for promoting electrolysis of water
12/08/2005US20050269209 Enables significant enhancement in electrowinning efficiency, energy consumption, and reduction of acid mist generation by water decomposition as compared to conventional processes; enhancied electrolyte circulation facilitates transport of copper ions and increases the diffusion rate of ferrous iron
12/08/2005US20050269208 includes using pyrite(FeS2) as a catalyst for ferric reduction in order to eliminate passivation of the chalcopyrite surface,leaching being carried out under conditions whereby the pyrite is not materially oxidized by maintaining the operating solution potential at a suitable level
12/07/2005EP1601818A2 Method for copper electrowinning in hydrochloric solution
12/07/2005CN1705773A Electrolysis process and cell for use in same
12/07/2005CN1230564C A method for removal of calcium from zinc frocess sulfate solution
12/06/2005US6972107 System for direct electrowinning of copper
12/01/2005WO2005113862A2 Methods for assessment and control of electro-winning and electro-refining processes
12/01/2005DE102004008813B3 Verfahren und Anlage zum elektrochemischen Abscheiden von Kupfer Process and apparatus for the electrochemical deposition of copper
11/2005
11/16/2005CN1227393C Process for preparing high-purity silver by electrolyzing extracted silver-contained organic phase
11/10/2005WO2005106080A1 Method of recovering gallium
11/10/2005US20050247568 Method of controlling an aluminum cell with variable alumina dissolution rate
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