Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617)
02/1984
02/14/1984US4431496 Oxidation of hydrogen iodide at anode in aqueous sulfuric acid, regeneration using suldur dioxide; efficiency; oxygen-free
02/07/1984US4430178 Polarity, rectification, filtration, unifirectional
02/07/1984CA1161790A1 Cathode starting sheet for the electrodeposition of cobalt
01/1984
01/24/1984US4427505 Apparatus for recovering metals from solution
01/24/1984CA1160982A1 Zinc electrowinning from chloride electrolyte
12/1983
12/27/1983US4423012 Manganese and zinc solvent extraction process
12/27/1983US4422917 Electrode material, electrode and electrochemical cell
12/27/1983US4422912 Method and apparatus for recovering metals from metal rich solutions
12/27/1983US4422911 Supplying hydrogen to barrier surface and transuerse fluid flow through barrier
12/27/1983CA1159390A1 Electrolysis of solutions containing dispersed bubbles
12/22/1983WO1983004419A1 Device for casting, particularly converter for casting and/or post-treating molten metal
12/21/1983EP0096662A1 Method for the electrolytic production of lead
12/20/1983US4421615 Process for producing metallic gallium
12/20/1983CA1159008A1 Reactor with working and secondary electrodes and polarity reversal means for treating waste water
12/13/1983CA1158597A1 Electrolytic recovery of gallium or gallium and vanadium in alumina production
11/1983
11/29/1983US4417965 Method of treating a rare-earth mineral
11/22/1983US4416746 Bipolar refining of lead
11/22/1983US4416745 Process for recovering nickel from spent electroless nickel plating solutions
11/22/1983US4416743 Electrolysis using two electrolytically conducting phases
11/16/1983EP0094308A2 Process and apparatus for the electrolytic preparation of metal, especially lead
11/16/1983EP0094275A1 Apparatus for the continuous electrolytic recovery of metals from the processing baths of machines for developing sensitive surfaces
11/15/1983CA1156970A1 Carbon or graphite modified porous percolating fibrous electrode and its application in electrochemical reactions.
11/08/1983CA1156471A1 Process for the treatment of solutions of lead chloride
11/01/1983US4412894 Electrodeposition, zinc sulfate-sulfuric acid electrolyte
11/01/1983US4412893 Anode-assisted cation reduction
11/01/1983CA1156380A1 Selective flotation of nickel sulfide ores
10/1983
10/27/1983WO1983003627A1 Method and apparatus for reclaiming zinc from industrial zinc-bearing waste metal
10/18/1983CA1155418A1 Electrowinning of zinc
10/11/1983US4409072 Method of collecting lead from ashes containing lead compounds
10/11/1983CA1155084A1 Process for the recovery of metal values from anode slimes
10/05/1983EP0090515A2 Treatment of solutions to facilitate the removal of ferric iron therefrom
09/1983
09/27/1983US4406752 Electrodeposition on a carbon fiber cathode, then heating
09/20/1983US4405420 Catalyzed electrochemical gasification of carbonaceous materials at anode and electrowinning of metals at cathode
09/13/1983US4404071 Method of treating electrolytic solution of copper for purification and reuse thereof
09/13/1983CA1153731A1 Composite electrode for electrolytic processes
08/1983
08/31/1983EP0087166A1 Process for the electrolytic regeneration of spent sulfuric acid pickling solutions
08/30/1983US4401531 Process for the production of electrolytic zinc or high purity zinc salts from secondary zinc raw-materials
08/30/1983CA1152943A1 Activity of unrefined copper anodes
08/30/1983CA1152937A1 Anode-assisted cation reduction
08/30/1983CA1152755A1 Manufacture of copper bodies
08/23/1983US4400247 Method of producing metals by cathodic dissolution of their compounds
08/23/1983CA1152446A1 Leaching process for zinc sulphide containing materials
08/23/1983CA1152445A1 Zinc-cadmium chloride electrolysis
08/09/1983CA1151589A1 Process for electrolytic recovery of zinc from zinc sulfate solutions
08/03/1983EP0084932A1 Electrolysis of tin complexes
08/02/1983US4396475 Process for continuously regenerating ferric chloride solutions
08/02/1983US4396474 Modified carbon or graphite fibrous percolating porous electrode, its use in electrochemical reactions
07/1983
07/26/1983US4395315 Recovery of nickel from waste materials
07/26/1983CA1150669A1 Cathode for use in the electrolytic refining of copper
07/20/1983EP0083981A1 Production of organotin halides
07/19/1983US4394357 Separation of cobalt and nickel by oxidative precipitation with peroxymonosulfuric acid
07/19/1983CA1150064A1 Process and apparatus for recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers
07/12/1983CA1149771A1 Method for eliminating solution-level attack on cathodes during electrolysis
07/12/1983CA1149768A1 Electrodeposition of sulfur-bearing nickel
06/1983
06/28/1983CA1148893A1 Production of lead from ores and concentrates
06/21/1983US4389288 Catalyzed electrochemical gasification of carbonaceous materials at anode and production of hydrogen at cathode
06/15/1983EP0081310A2 Metal sulphide extraction
05/1983
05/31/1983US4385970 Spontaneous deposition of metals using fuel fed catalytic electrode
05/25/1983EP0079505A1 A method of recovering copper from spent etch solutions
05/24/1983US4384940 Chlorine leaching of nickel-cobalt-iron sulphides
05/24/1983US4384939 Gold recovery system
05/24/1983CA1146905A1 Electrolytic recovery of vanadium, molybdenum, and gallium from aluminate liquor
05/10/1983US4382845 Electrolysis of aqueous hydrochloric acid leaching solution containing palladium and platinum halides using a membrane-divided electrolytic cell
05/10/1983CA1145952A1 Process for selective leaching of nickel- copper matte
05/03/1983US4381975 An alkali metal aluminum chloride in a bath containing lithium hydride, alumium chloride, and a tetrahydrofuran; stability; electroconductibity
04/1983
04/26/1983US4381225 Production of lead from ores and concentrates
04/06/1983EP0076163A2 Process for producing metallic gallium
04/05/1983US4379030 Aluminum electroplating solution
03/1983
03/29/1983US4378285 Gold recovery apparatus
03/29/1983US4378275 Metal sulphide extraction
03/29/1983US4378270 Method of etching circuit boards and recovering copper from the spent etch solutions
03/22/1983US4377456 Electrodeposition of silver, controlling current density
03/22/1983CA1143330A1 Means for recovering silver from photo chemicals
03/02/1983EP0073186A1 Method of pickling zinc from zinc-coated iron or steel and for the recovery of the pickled zinc
03/02/1983EP0072883A1 Process for the direct electrolytic recovery of non-ferrous scrap metal
03/01/1983CA1142130A2 Hydrometallurgical method for treating nickel mattes
02/1983
02/22/1983US4374713 Solvent extraction of tungten from electrolyte solution in separate container before electrowinning
02/16/1983EP0061468A4 Recovery of silver from ores and concentrates.
02/15/1983US4374008 Process for separating tungsten from coinage metals
02/08/1983US4372829 Method and apparatus for removing metal from a metal-laden solution
02/08/1983CA1140892A1 Increased spacing of end electrodes in electro-deposition of metals
02/01/1983CA1140495A1 Apparatus for the electrolytic recovery of metal
01/1983
01/11/1983US4368108 Process for electrolytic recovery of gallium or gallium and vanadium from alkaline liquors resulting from alumina production
01/05/1983EP0068469A2 Refining copper-bearing material contaminated with nickel, antimony and/or tin
01/04/1983US4367128 Energy efficient self-regulating process for winning copper from aqueous solutions
01/04/1983US4367127 Metals recovery cell and electrode assembly for same
12/1982
12/22/1982EP0067619A2 Process for solution control in an electrolytic zinc plant circuit
12/21/1982US4364807 Method of electrolytically recovering zinc
12/21/1982CA1137920A1 Method for the recovery of lead from material containing lead sulfide
12/17/1982WO1987007652A1 Process and apparatus for the electro-deposition of copper or other metals on bipolar electrodes made of lead
12/08/1982EP0066024A1 Process for the removal of manganese and chloride ions from aqueous acidic zinc sulphate solutions and process for the recovery of zinc
12/07/1982US4362608 Electrodeposition, potential measurement, probe electrode
12/07/1982US4362607 Recovery of copper and zinc from complex chloride solutions
12/07/1982US4362606 Process for simultaneous recovery of vanadium, molybdenum and gallium from alumina factory aluminate liquors
12/01/1982EP0065815A1 Recovering zinc from zinc-containing sulphidic material
11/1982
11/30/1982CA1136577A1 Electrowinning of metals from sulphide ores and products obtained therefrom
11/23/1982CA1136090A1 Grit blasted mandrel for elelctrodeposition of nickel
11/23/1982CA1136086A1 Electrolytic extraction of gallium from alkali metal aluminate including two-stage carbonatation
11/23/1982CA1136084A1 Electrolytic metal deposition with addition of particulate metal sulphate
11/16/1982US4359376 Recovering copper from a copper-bearing source
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