Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617)
07/2009
07/02/2009US20090166217 Electrode
07/02/2009US20090166216 via incomplete dehydrated lanthanum praseodymium cerium chloride and magnesium chloride having crystalline waters as raw materials, adding lanthanum praseodymium cerium chloride and magnesium chloride during electrolysis, graphite crucible as anode, and molybdenum bar as cathode; electrolytic metallurgy
06/2009
06/23/2009US7550072 Method of producing electrolytic hydrogen using rare element-deposit electrode
06/18/2009US20090152124 Double contact bar insulator assembly for electrowinning of a metal and methods of use thereof
06/17/2009EP2069555A1 A method and an electrolysis cell for production of a metal from a molten chloride
06/11/2009US20090145749 System and method for producing copper powder by electrowinning using the ferrous/ferric anode reaction
06/10/2009CN201254605Y Energy-saving type electrolytic manganese plant
06/10/2009CN201254604Y Energy-saving type electrolytic manganese apparatus
06/10/2009CN101451246A Metal recovery method in waste nickel-cadmium battery
06/04/2009WO2009068988A2 Process for producing metallic lead starting from desulfurized pastel
06/04/2009WO2009068734A1 Method and arrangement for monitoring and presenting the status of an electrolytic process in an electrolytic cell
06/04/2009DE102007058654A1 Cyclic production of silicon or silicon compounds and hydrogen, by pyrolyzing impure oil-containing sand or shale and forming silicon tetrafluoride for conversion into silicon by thermite process
06/04/2009CA2705727A1 Method and arrangement for monitoring and presenting the status of an electrolytic process in an electrolytic cell
06/03/2009EP2065488A1 Method for collection of valuable metal from ito scrap
06/03/2009EP2064369A1 Electrochemical process for the recovery of metallic iron and chlorine values from iron-rich metal chloride wastes
05/2009
05/28/2009US20090134040 Process For Recovering Alkali Metals and Sulfur From Alkali Metal Sulfides and Polysulfides
05/27/2009EP2063000A1 Method for collection of valuable metal from ito scrap
05/27/2009CN201245719Y Copper electrolysis anode transfering and plate removing apparatus
05/27/2009CN201245717Y Novel anode sludge washing bath cart
05/27/2009CN101443483A Electrical, plating and catalytic uses of metal nanomaterial compositions
05/27/2009CN100491562C Fine grained aluminum alloy and its preparing method
05/26/2009US7537683 Hydrogen based energy storage apparatus and method
05/21/2009US20090127126 Current busbar
05/20/2009CN201241189Y Ear correcting apparatus of copper anode plate preparation machine unit
05/20/2009CN201241188Y Ear milling apparatus of copper anode plate preparation machine unit
05/20/2009CN101435021A Acid heap leaching process for cupric oxide ore
05/20/2009CN100488899C Diaphragm separation electrolyzing integrated treatment method for waste water containing heavy metal copper
05/14/2009US20090120789 System and method for producing metal powder by electrowinning
05/13/2009CN101429670A Cathode copper ultrasonic cleaning groove
05/13/2009CN101429669A Multicomponent alloy anode plate
05/13/2009CN101429668A Spraying apparatus of zinc electrolyte cooling column
05/13/2009CN100487142C Method of extracting valuable element from waste water and waste slag
05/12/2009CA2421722C Pressure leaching process for zinc recovery from sulphidic ore materials
05/12/2009CA2292745C Separating metal ions absorbed on a resin and installation for recycling photographic effluents including an exchanger and an electrolysis vessel
05/07/2009US20090114548 Method and a Prebaked Anode for Aluminium Production
04/2009
04/29/2009CN101418453A Method for extracting metal from sea water/water
04/29/2009CN101418375A Liquid membrane extraction of gold-diaphragm electrolysis extraction of gold process
04/23/2009WO2007119239A3 Method for extracting metals from ore
04/23/2009US20090101518 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
04/23/2009US20090101517 Method for Producing Ti or Ti Alloy, and Pulling Electrolysis Method Applicable Thereto
04/22/2009EP2049468A2 Highly-conductive copper extractant formulations
04/22/2009EP2049290A1 Method for the production of metal powder
04/22/2009EP1791680B1 Gas driven actuation feed tube for combustion powered fastener-driving tool
04/22/2009CN201224766Y New energy-saving type cathode plate for electrolyzing zinc
04/22/2009CN101413135A Electrode lead for electrolyzing metal gallium
04/22/2009CN101413134A Semiclosed fingerlike partition board electrolytic cell
04/22/2009CN101413133A Voltage-constant, current-constant and temperature-constant electrorefining method for metal gallium
04/22/2009CN101413059A Process for comprehensively and efficiently recycling zinc and indium in indium raffinate
04/21/2009US7521286 Methods of refining lead-containing materials
04/16/2009US20090098012 High-Purity Tin or Tin Alloy and Process for Producing High-Purity Tin
04/15/2009CN100478281C Manufacture of copper arsenite and application of the same
04/08/2009CN201217705Y Anode large pole plate for lead electrolysis
03/2009
03/31/2009US7510640 Solar powered electrolysis system; water oxidation reduction; low cost, environmentally clean alternative fuel; efficient input voltage
03/26/2009WO2009038962A1 Controlled copper leach recovery circuit
03/25/2009CN201212062Y Prefabricated steel die for copper electrolytic tank
03/25/2009CN101392388A Electrolysis method of polymetallic blister copper
03/25/2009CN101392387A Method for electrowinning copper nitrate solution
03/25/2009CN101392325A Method for extracting gold from waste printed circuit board
03/24/2009US7507323 In a water treatment system, adding pH-reducing agent when circulation pump is not operating so acid stays within chamber for a sufficient amount of time to remove mineral deposits from electrolytic plates; activation of the pump causes the acid to enter the main body of water
03/19/2009US20090071840 Method for extracting metals from ore
03/19/2009US20090071839 Process for multiple stage direct electrowinning of copper
03/18/2009CN201209170Y Apparatus for preparing shear panel by copper electrolysis cathode
03/12/2009WO2009032393A1 Self-cleaning chlorine generator with intelligent control
03/11/2009CN101381817A Method for directly recovering and producing electrowinning cobalt from waste and old lithium ionic cell
03/05/2009WO2009026678A1 Electrolytic cathode assembly and methods of manufacturing and using same
03/05/2009WO2008154722A8 Method for improving nickel cathode morphology
03/05/2009CA2697452A1 Electrolytic cathode assembly and methods of manufacturing and using same
03/04/2009CN101379222A Germanium and germanium alloy nanoparticle and method for producing the same
03/04/2009CN101376995A Adjustable floating clamp locating device for copper anode plate
03/04/2009CN101376994A Multi-station stationary transfer apparatus for copper anode plate
03/04/2009CN101376993A Copper anode plate circular arc type slicing apparatus
03/04/2009CN101376990A Method for operating copper electrolysis cells
03/04/2009CN100465315C An aluminum-silicon alloy casting and a preparation method thereof
02/2009
02/26/2009WO2009025837A1 Lateral exhaust enclosure-aided mist control system in metal electrowinning and electrorefining cells
02/26/2009US20090050483 High current density cathode for electrorefining in molten electrolyte
02/25/2009CN101372727A Method for extracting valuable metal from hyper-accumulator
02/24/2009US7494580 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
02/24/2009US7494579 electrowinning cell with a spouted bed electrode of growing metallic beads, separated by a semi-permeable diaphragm and suitable for being assembled in a stack in a modular arrangement.
02/24/2009CA2396839C Lead, zinc and manganese recovery from aqueous solutions
02/22/2009CA2595275A1 The sequential lixivation and precipitation of metals from refractory ores by utilising variable oxidation reduction potentials and a variable ph system
02/18/2009CN101368280A Electrolyzer for recovering lead from lead plaster
02/18/2009CN101368278A Method for dismutation electrolytic production of hydrogen, copper, lead, zinc, acid and alkali-chloride by elemental sulfur
02/18/2009CN100462453C Comprehensive extraction process of valent metal from bismuth-containing polymetallic material
02/12/2009WO2009020839A1 Uranium recovery using electrolysis
02/12/2009WO2009018598A1 Improved electrochemical system for metal recovery
02/12/2009US20090038957 Gold plating liquid and gold plating method
02/11/2009EP1866461A4 Stainless steel electrolytic plates
02/11/2009CN100460532C Method of preparing high purity copper by bacteria of primary leaching sulfide ore
02/05/2009US20090032403 Uranium recovery using electrolysis
02/04/2009CN101358360A Combined electrolytic cathode plate
02/03/2009US7485216 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
01/2009
01/28/2009CN101356292A Combined leaching process
01/28/2009CN101353795A Method for extracting copper from printed circuit board acidic spent etching solution and preparing poly ferric chloride
01/28/2009CN101353725A Novel liquid cooling clarification underflow processing unit and method
01/27/2009US7481914 Photoelectrolysis cells, and related devices and processes
01/21/2009CN201183830Y Metal electrolysis recovering device
01/15/2009WO2009007598A1 Method and device for selective cation extraction by electrochemical transfer in solution and applications of said method
01/15/2009US20090014326 Efficiency optimization and damage detection of electrolysis cells
01/15/2009CA2722656A1 Method and device for selective cation extraction by electrochemical transfer in solution and applications of said method
01/14/2009CN101343759A Cathode stripping device
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