Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617)
02/2008
02/26/2008US7335289 Via halide-bath electrowinning; growing in dendritic form for deposition onto cathode, and recovering growth ends
02/20/2008EP1434893B1 Zinc recovery process
02/20/2008CN201024214Y Device for electrochemical dissolution for molybdenite
02/20/2008CN101126164A Method for producing electrolytic zinc from zinc material with high-content of fluorin and silicon dioxide
02/20/2008CN101125719A Method for reclaiming hydrochloric acid and metal copper from printed circuit acidic etching waste liquid
02/14/2008WO2008017731A1 Method for the production of metal powder
02/14/2008US20080035473 Process and Plant for Electrodepositing Copper
02/14/2008CA2659893A1 Method for the production of metal powder
02/13/2008CN101122034A Method for extracting high-grade metal zinc powder from zinc-containing material
02/13/2008CN101122032A One-step producing technique for high-purity gold
02/13/2008CN101122031A Electrolytic method magnesium smelting chlorine gas transmission method and device thereof
02/13/2008CN100368924C Negative magnetic permeability material in aperiodic infrared band
02/13/2008CN100368571C Method for separating Fe-Mn and Mn-Zn
02/12/2008CA2256929C Electrowinning cell
02/07/2008US20080029406 Monolithic supported oxygen generator
02/07/2008US20080029405 Voltage switchable dielectric material having conductive or semi-conductive organic material
02/06/2008CN201018424Y Electrolyte AC, DC commutating device
02/06/2008CN101120119A Use of nonionic surfactants in extractive metallurgy by electrolysis
02/06/2008CN101117719A Formula and process for producing electrolytic zinc by using zinc oxide in copper smelting waste slag
02/06/2008CN100366799C Electrochemical process for producing ionic liquids
01/2008
01/31/2008US20080023342 Hydrometallurgical treatment to recover copper from copper-containing materials, especially copper sulfides such as chalcopyrite and chalcocite; acid-autogenous process; residue from the pressure leaching 0peration is directed to a heap, stockpile or other leaching operation;circulation; efficiency
01/30/2008CN101115854A Method for recovering indium
01/30/2008CN101113526A Method for purifying silver electrolytic solution during high-purity silver production process
01/24/2008DE19859563B4 Verbessertes Verfahren zur elektrochemischen Herstellung von Alkalimetall aus Alkalimetallamalgam An improved process for the electrochemical production of alkali metal from alkali metal amalgam
01/23/2008CN101109089A Self-purification process for silver electrolytic solution
01/23/2008CN101108744A Manufacture of copper arsenite and application of the same
01/16/2008CN101104943A Nickel electrolysis micro-pore composite diaphragm and preparation method thereof
01/16/2008CN101104890A Method for reclaiming indium from waste mercury-free basic zinc-manganese battery
01/16/2008CN101104883A Method for reclaiming indium and tin from ITO waste material by pickling-vulcanization deposition combined technique
01/15/2008US7318888 Method of photoelectrolysis
01/10/2008WO2006062672A3 Apparatus and process for the production of metals in stacked electrolytic cells
01/10/2008US20080006538 Process and device to obtain metal in powder, sheet or cathode from any metal containing material
01/09/2008CN101100907A Treatment method and structure for decomposition classification operation face
01/04/2008CA2593046A1 Procedure and device to obtain metal powder, plates or cathodes from any metal-containing material
01/03/2008DE102006030731A1 Recycling von Superlegierungen Recycling of superalloys
12/2007
12/26/2007CN200995135Y Zinc electrolyzer against acid fog
12/21/2007WO2006062673A3 Processes for separating metals from metal salts
12/21/2007WO2005113862A3 Methods for assessment and control of electro-winning and electro-refining processes
12/20/2007US20070289560 Hydrogen-oxygen plasma engines and dosing methods therefor
12/20/2007DE10164300B4 Verfahren und Vorrichtung zur Regenerierung von Zink-Elektroden für wiederaufladbare Zink-Luft-Batterien Method and device for the regeneration of zinc electrodes for rechargeable zinc-air batteries
12/19/2007EP1866461A1 Stainless steel electrolytic plates
12/19/2007CN100355485C Waste gas desulfurizing method with composite absorbant comprising pyrolusite and pH buffering agent
12/13/2007US20070284261 Method for manufacturing silver triangular pyramid particles and silver triangular pyramid particles
12/13/2007CA2550418A1 Decomposing complex aqueous salts, and electro-winning precious metals from acidic solutions, basic solutions, and sea water
12/12/2007CN101086070A Method for synchronously electrolyzing metal lead and manganese dioxide in chloride medium
12/12/2007CN100354439C Method for the purification of copper chloride solution
12/11/2007CA2340432C Method for the removal of sulfur in the nickel leaching process
12/06/2007DE10108893B4 Verfahren zur Herstellung von Metallen und deren Legierungen A process for the manufacture of metals and their alloys
11/2007
11/29/2007WO2005123985A3 Germanium and germanium alloy nanoparticle and method for producing the same
11/29/2007US20070272557 System and method for isotope separation
11/29/2007US20070272055 Process for Gold and Silver Leaching with Thiourea Solutions
11/28/2007EP1859080A1 Use of nonionic surfactants in extractive metallurgy by electrolysis
11/28/2007CN101078056A Method of extracting valuable element from waste water and waste slag
11/28/2007CN101078055A Multiple roasting gold extracting method for unmanageable arsenic-containing gold concentrate
11/28/2007CN101078053A Method for extracting metal indium, zinc and bismuth from blast furnace gas ash
11/21/2007CN200978302Y Device for extracting copper in chloride system line board waste etching liquid
11/15/2007WO2007130851A2 Process for the on-site production of chlorine and high strength hypochlorite
11/15/2007WO2007045055A3 Method for electroextaction of zinc
11/15/2007US20070264179 Methods and systems for the regeneration of activated carbon catalyst beds
11/14/2007CN101070600A Method for preparing large-cube non-crystal alloy using electrochemical reduction method
11/14/2007CN101070214A Method for disposing waste liquid from process of refining titanium tetrachloride by copper wire vanadium removal
11/01/2007US20070253878 Preparation of Zinc Chemicals from the Minor Flow of a Process
11/01/2007US20070251831 Process for the on-site production of chlorine and high strength sodium hypochlorite
11/01/2007US20070251828 Gas Sparging
10/2007
10/31/2007CN101063210A Technique for producing high activity nickel cake with regeneration of waste material containing nickle as raw material
10/30/2007US7288170 Generation. conditioning , reuse of metal containing electrolytes; surface treatment; ion exchanging
10/17/2007EP1845169A1 Method for recovering indium
10/17/2007EP1633906B1 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
10/17/2007CN101054686A Process for purifying zinc from casting zinc residue
10/17/2007CN101054685A Method of supplying nickel to electrolyte for preparing cathode nickel by infusible anode electrodeposition method
10/17/2007CN101054666A Method of treating stainless steel chemical pigmentation aging liquid
10/11/2007WO2006096693A3 Apparatus and method for producing hydrogen from hydrogen sulfide
10/10/2007CN101050487A Method for eliminating impurities of lead, zinc from nickel solution
10/10/2007CN101049929A Technical method for electrorefining diamond
10/10/2007CN100342061C Hydrogen evolution inhibiting additives for zinc electrowinning
10/04/2007WO2006096692A3 Apparatus and method for producing sulfur from hydrogen sulfide
10/04/2007US20070227905 Electrolytic Deposition Treatment Apparatus and Method
10/04/2007US20070227903 Precious Metal Recovery
09/2007
09/27/2007WO2007011669A3 Oxygen-producing inert anodes for som process
09/26/2007CN101041617A Method for producing citric acid bismuth, oxalic acid bismuth and bismuth subsalicylate by electrolyzing active metal bismuth
09/20/2007WO2007015248A3 Method for preparation of stable metal oxide nanoparticles suspensions
09/13/2007US20070209945 Method for producing silicon, method for separating silicon from molten salt and method for producing tetrafluoride
09/12/2007CN101033557A Method of recovering tin and silver in leadless tin soldering waste
09/12/2007CN101033508A Method of preparing high purity copper by bacteria leaching primary sulfide ore
09/11/2007US7267757 Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor
09/11/2007US7267754 The porous barrier allows uranium to diffuse between the anode and cathode, yet slows the diffusion of uranium ions to cause depletion of U ions in the catholyte, allowing for the preferential deposition of transuranics present in spent nuclear fuel
09/06/2007US20070205161 Ozone Water And Production Method Therefor
09/05/2007CN101031390A Gas driven actuation feed tube for combustion powered fastener-driving tool
09/05/2007CN101029406A Electrolytic smelting method of copper
09/05/2007CN101029353A Comprehensive extraction of valent metal from bismuth-containing polymetallic material
08/2007
08/29/2007CN200940161Y Vertical, high-temperature and high-pressure noble metals electrolysis deposition bath equipment
08/29/2007CN101024533A Method of diaphragm separation electrolyzing integrated treatment of wate, water containing heavy metal copper
08/21/2007US7258779 Method and means for hydrogen and oxygen generation
08/15/2007CN1332046C Zinc recovery process
08/15/2007CN101016633A Method of preparing electrolytic nickel button plate by silk-screen printing
08/09/2007US20070184309 Methods for use of a photobiofuel cell in production of hydrogen and other materials
08/09/2007US20070181439 Multi-port chlorine generator
08/09/2007US20070181438 electrochemically reducing titania and sintering to form a morphology of reduced titanium; agitating the electrolyte slurry using electrolytic cells; supplying pellets, powders of metal oxide and CaCL2-based electrolyte; agglomerating the particles
08/08/2007CN101014723A Preparation of zinc chemicals from the minor flow of a process
08/08/2007CN101012514A Method for producing metallic lead and zinc by using lead-zinc containing waste slag or lead-zinc monoxide mine
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