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