Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617)
02/2007
02/07/2007CN1908238A Preparation of magnesium lithium alloy from fused salt electrolysis
02/07/2007CN1908232A Method of losslessly separating copper from copper solution and application thereof
02/01/2007DE19717669B4 Verfahren zur Schwermetallentfrachtung von biogen-organischen Substraten Method for Schwermetallentfrachtung of biogenic organic substrates
01/2007
01/31/2007CN1904142A Copper extraction method of etching waste liquid or low copper containing waste liquid
01/31/2007CN1904094A Method of extracting gold and silver from arsenic containing aurin ore
01/30/2007US7169285 Electrolysis of a metal oxide, carbide, nitride, sulfide, halide, or alloy using a non-aqueous ionic-liquid electrolyte containing a catalyst; bulk reduction or purification; industrial scale synthesis of titanium from titanium dioxide
01/25/2007WO2007011669A2 Oxygen-producing inert anodes for som process
01/24/2007CN2861181Y Regeneration and copper recovery device for copper chloride acid etching liquid
01/23/2007US7166203 Controlled concentration electrolysis system
01/18/2007WO2007007617A1 Surface treatment in presence of organic solvent
01/17/2007CN1896325A Assembled gelatin additive
01/17/2007CN1896324A Extraction of copper from waste etching liquid in chloride system circuit board
01/17/2007CN1896323A Passivation-free and non-oxygen washing-plate and drying plate manganese electrolyzation
01/17/2007CN1295355C Method of manufacturing electrolytic metal manganese using titanium white waste acid and manganese dioxide ore
01/11/2007WO2007004394A1 High-purity tin or tin alloy and process for producing high-purity tin
01/11/2007WO2006053062A3 Tin alloy electroplating system
01/10/2007CN1894439A Flow-through oxygenator
01/09/2007CA2122181C Process for heavy metal electrowinning
01/03/2007CN1293236C Electrolytic copper foil with carrier foil and method for manufacturing the same
01/03/2007CN1293232C Method for electrolytic production of ultra-pure zinc or zinc compounds from zinc primary and secondary raw materials
01/02/2007CA2283810C Robust technetium removal method and system
12/2006
12/27/2006EP1735483A2 Precious metal recovery
12/27/2006CN1884623A Purifying method for silver electrolytic solution
12/27/2006CN1884622A Metal cobalt electrodeposition method by ion liquid
12/26/2006US7153590 Composite copper foil and manufacturing method thereof
12/26/2006US7153409 Introducing water to an oxygen electrode; electrolyzing the water to form oxygen, hydrogen and electrons; hydrogen migrate to hydrogen electrode; reacting hydrogen with electrons to form hydrogen gas; storing hydrogen gas in carbon nanotubes
12/21/2006WO2006134724A1 Ultrahigh-purity copper and process for producing the same, and bonding wire comprising ultrahigh-purity copper
12/13/2006CN1878726A Method for the purification of sulphuric acids
12/13/2006CN1289714C Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
12/07/2006US20060272954 Electrolytic cell for producing charger anode water suitable for surface cleaning or treatment, and method for producing the same and use of the same
12/07/2006US20060272953 {Electrochemical} reactor core With Duel Ignoids
12/06/2006CN1873511A Negative magnetic permeability material in aperiodic infrared band
12/06/2006CN1873056A Low temperature alkali metal electrolysis
12/05/2006US7144493 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor
12/05/2006US7144489 Adding saccharic acid or a salt or lactone as an additive to the electroplating solution; contacting the additive with an iron(III) species to form an iron(III)-additive species; irradiating the electroplating solution
11/2006
11/29/2006CN2841681Y Programme-controlled multi-anode, rotary cathode electrolytic tank
11/23/2006WO2006009700B1 Low temperature refining and formation of refractory metals
11/22/2006EP1210471B1 Method for electrochemically producing an alkali metal from an aqueous solution
11/22/2006CN1285769C Electrochemical decomposition method for high-temp. alloy
11/15/2006EP1721997A1 Ni-Pt ALLOY AND TARGET COMPRISING THE ALLOY
11/15/2006CN1863943A Method of manufacturing diaphragm element of cell for electroextraction of metals from aqua solutions, and diaphragm element
11/15/2006CN1284884C Method for electrochemically producing alkali metal from aqueous solution
11/09/2006WO2006119079A2 Material surface treatment method using concurrent electrical, vibrational and photonic stimulation
11/09/2006US20060249379 Greater tensile strength, substantial improvement of corrosion resistance of the joint welding, and improvement of conductibility which can be improved still further by modifying the straight design of the conducting bar by providing it with the "horn"-type shape
11/08/2006EP1324979B1 Ionic liquids and their use as solvents
11/08/2006CN2835257Y Anode plate for electrolysis of manganese metal
11/08/2006CN1858276A Method for extracting metal copper using microbe and its use
11/08/2006CN1858272A Combined process for organic solvent extracting zinc and wet zinc refining
11/08/2006CN1283844C Starting cathodes made of copper band for copper electrolysis and a method for the production thereof
11/08/2006CN1283841C System and method for the production and use of hydrogen on board a marine vessel
11/02/2006US20060243604 Method and apparatus for treating waste water
11/01/2006CN1854346A Rack-assembled anodic-basket non-residual electrode method of direct electrolytic fine stray copper
10/2006
10/31/2006US7128872 Method and apparatus for ozone sterilization
10/19/2006WO2006071419A9 Electrical, plating and catalytic uses of metal nanomaterial compositions
10/19/2006WO2005121412A3 Electrolytic solution for promoting electrolysis of water
10/19/2006US20060234855 Preparation of solid oxide fuel cell electrodes by electrodeposition
10/12/2006WO2006009700A3 Low temperature refining and formation of refractory metals
10/12/2006US20060226024 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anode
10/11/2006CN1844422A Method for extracting copper from organic silicon chemical waste residue leaching liquid of chloride and mixed salts containing copper
10/10/2006US7118719 Using sulfate; neutralization, leaching, electrolysis
10/05/2006US20060219571 Electrogenerated chlorine or chloride compound leaching and its apparatus
09/2006
09/20/2006CN1276129C Process for preparing high purity nickel
09/19/2006US7108777 Supplying said alkali metal compound in molten form to cathodic compartment in electrolytic cell, cathodic compartment being free of water; applying electric voltage to cell to reduce alkali metal compound at cathode
09/14/2006WO2006096692A2 Apparatus and method for producing sulfur from hydrogen sulfide
09/14/2006WO2006094355A1 Stainless steel electrolytic plates
09/14/2006US20060201822 Method and device for recycling metal pickling baths
09/14/2006US20060201279 Methods of refining lead-containing materials
09/14/2006CA2600645A1 Stainless steel electrolytic plates
09/13/2006CN1274885C Technique for electrolyzing slurry of fluosilicic acid in bismuth mine
09/07/2006US20060196776 Apparatus and method for producing sulfur from hydrogen sulfide
09/07/2006US20060196313 Method for recovering copper from copper-containing materials using direct electrowinning
09/06/2006EP1325165B1 Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid
08/2006
08/24/2006WO2006087313A1 Use of nonionic surfactants in extractive metallurgy by electrolysis
08/24/2006WO2005098092A3 Precious metal recovery
08/24/2006CA2597937A1 Use of nonionic surfactants in metal extraction by electrolysis
08/23/2006EP1509349B1 Method for producing a mold and a device for casting anodes
08/23/2006CN1271224C Process for electrolytic production of highly pure zinc or zinc compounds from primary and secondary zinc raw materials
08/17/2006DE102005006982A1 Verwendung nichtionischer Tenside bei der Metallgewinnung durch Elektrolyse Use of nonionic surfactants in the metal extraction by electrolysis
08/16/2006EP1497474B1 Method for the purification of copper chloride solution
08/16/2006EP1497473B1 Method for the recovery of gold
08/16/2006EP1339883B1 Method for the hydrolytic precitpitation of iron
08/15/2006CA2328042C Cathode plate for electro winning and refining
08/10/2006WO2006083955A2 Method for the texturing of surfaces by aqueous plasma electrolysis
08/10/2006WO2006024526A3 Method for producing metal strips
08/03/2006WO2006080948A2 Corrosion resistance of storage containers for nuclear waste
08/03/2006WO2006080565A1 Method for recovering indium
08/03/2006US20060169593 Hydrogen-assisted electrolysis processes
08/03/2006US20060169590 Process for separating metals
08/02/2006CN2801815Y Closed ring type silver recovery electrolysis device
08/02/2006CN1267583C Preparation of high purity indium
08/01/2006CA2295468C Separation and concentration method
07/2006
07/27/2006US20060163082 Method for copper electrowinning in hydrochloric solution
07/26/2006EP1601818B1 Method for copper electrowinning in hydrochloric solution
07/26/2006EP1361296B1 Method for electrolytic production of ultra-pure zinc or zinc compounds from zinc primary and secondary raw materials
07/26/2006CN1807665A Method for electrolysing zinc using alkaline pickling method
07/25/2006CA2221781C Chloride assisted hydrometallurgical extraction of metal
07/20/2006WO2006049631B1 Process for multiple stage direct electrowinning of copper
07/19/2006CN1804148A Method for recovering copper and nickel nitrate by electrolysis of electroplating waste water
07/19/2006CN1804132A Preparation method of high-purity zinc
07/13/2006US20060151326 Electrolytic apparatus for use in oxide electrowinning method
1 ... 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 ... 57