| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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| 04/01/1980 | CA1074727A1 Process for recovering electrolytic copper of high purity by means of reduction electrolysis |
| 03/25/1980 | CA1074251A1 Electrowinning metal from chloride solution |
| 03/25/1980 | CA1074250A1 Anodic deposition of manganese dioxide during electrowinning |
| 03/11/1980 | CA1073216A1 Method of separating zinc and copper from aqueous solutions |
| 03/04/1980 | CA1072910A1 Method of manufacturing amorphous alloy |
| 03/04/1980 | CA1072728A1 Apparatus for shaping anodes |
| 02/19/1980 | CA1072055A1 Electrolytic cell and circulating method for electrolyte |
| 02/19/1980 | CA1072051A1 Circulating bed cell |
| 02/19/1980 | CA1072043A1 Method of extracting gallium from aluminate solutions |
| 02/12/1980 | CA1071575A1 Method of extracting metals from spent electric storage batteries |
| 02/12/1980 | CA1071429A1 Method and apparatus for purification of aqueous zinc sulphate solution used in electrolytical production of zinc |
| 02/05/1980 | CA1071137A1 Electrowinning of metals |
| 02/05/1980 | CA1071136A1 Method for the electrolytic recovery of sb, as, hg and/or sn |
| 01/29/1980 | US4186067 Passing current through solution containing silver ions and ferric ions, and brought to predetermined redox potential by addition of reducing agent |
| 01/29/1980 | CA1070639A1 Electrowinning by deposition of metal on non-fluidized metal powder cathode |
| 01/29/1980 | CA1070504A1 Method for removing arsenic from copper electrolytic solutions or the like |
| 01/22/1980 | US4184930 Sintered nickel impregnated with nickel hydroxide |
| 01/15/1980 | US4183794 Electrolysis |
| 01/15/1980 | CA1069704A1 Extraction and purification of silver |
| 01/01/1980 | US4181588 Method of recovering lead through the direct reduction of lead chloride by aqueous electrolysis |
| 12/25/1979 | CA1068643A Extraction of copper by mixing finally dispersed oxygen with material slurry |
| 12/25/1979 | CA1068642A Calcium containing lead alloy anodes for electrowinning copper |
| 12/25/1979 | CA1068641A Method and apparatus for the electrodeposition of metal |
| 12/18/1979 | US4179495 Method for removing As, or As and Sb and/or Bi from sulfuric acid |
| 12/12/1979 | EP0006006A1 Apparatus and method for regenerating spent photographic bleach-fixer solution and for recovering silver therefrom |
| 12/04/1979 | US4177119 Process for recovery of waste H2 SO4 and HCl |
| 12/04/1979 | US4177117 Electrolysis |
| 12/04/1979 | CA1067454A1 Method of cooling electrolyte circulated for electrowinning of zinc |
| 11/20/1979 | US4175027 Apparatus for recovering zinc from residues |
| 11/20/1979 | US4175026 Electrolytic apparatus for recovering metal from solutions |
| 11/20/1979 | US4175015 Process for the removal of lead ions from formose |
| 11/20/1979 | US4175014 Cathodic dissolution of cobaltic hydroxide |
| 11/20/1979 | US4175012 For copper and nickel |
| 11/20/1979 | CA1066658A1 Recovery of zinc |
| 11/20/1979 | CA1066657A1 Reusable integrated cathode unit with surface array of metal islands |
| 11/20/1979 | CA1066656A1 Electrolytic recovery of zinc and manganese dioxide |
| 11/06/1979 | US4173520 Chlorination, oxidation, solvent extraction, multistage |
| 10/31/1979 | EP0005007A1 Electrolytic process and apparatus for the recovery of metal values |
| 10/30/1979 | CA1065272A1 Treatment of dilute cyanide solutions |
| 10/30/1979 | CA1065142A1 Selenium rejection during acid leaching of matte |
| 10/23/1979 | CA1064937A1 Method for the preparation of additives in organo-aluminum electrolyte media |
| 10/23/1979 | CA1064860A1 Electrolytic cell for use in hydroelectrometallurgy |
| 10/23/1979 | CA1064856A1 Purification of nickel electrolyte by electrolytic oxidation |
| 10/23/1979 | CA1064854A1 Method of extracting constituent metal values from pyrometallic nodules from the sea |
| 10/16/1979 | US4171250 Method for zinc ore extraction |
| 10/09/1979 | CA1063967A1 Zinc hydrometallurgical process |
| 10/02/1979 | US4169776 Method for recovery of metallic zinc from chlorine contaminated skimmings |
| 09/25/1979 | CA1063063A1 Process and apparatus for removing metallic ions from an electrolytic solution |
| 09/25/1979 | CA1063061A1 Electrowinning cell with reduced anodic surfaces |
| 09/18/1979 | CA1062653A1 Electrowinning of sulfur-containing nickel |
| 09/18/1979 | CA1062652A1 Electrowinning of nickel in diaphragm-free cells |
| 09/18/1979 | CA1062651A1 Process and apparatus for electrowinning metal from metal bearing solutions |
| 09/11/1979 | CA1061985A1 Anode casting machine |
| 09/04/1979 | US4166781 Recovery of silver from hypo |
| 08/28/1979 | CA1061284A1 Recovery of silver from used photographic solutions |
| 08/28/1979 | CA1061283A1 Process for removing copper from copper anode slime |
| 08/28/1979 | CA1061282A1 Electrolytic recovery of metal from dispersion using cationic ion exchange agent |
| 08/14/1979 | US4164456 Electrolytic process |
| 08/14/1979 | CA1060379A1 Precious metal recovery system |
| 08/07/1979 | CA1059771A1 Hydrometallurgical process for the recovery of valuable components from the anode slime produced in the electrolytical refining of copper |
| 08/07/1979 | CA1059770A1 Hydrometallurgical treatment process for extracting constituent metal values from ferro-nickel |
| 07/31/1979 | US4162950 Treatment of effluents |
| 07/24/1979 | CA1059064A1 Electrolytic recovery of nickel and zinc |
| 07/17/1979 | CA1058406A1 Sulphuric acid treatment of wet jarosite residue |
| 06/26/1979 | US4159232 Electro-hydrometallurgical process for the extraction of base metals and iron |
| 06/26/1979 | CA1057234A1 Apparatus for the electrolytic regeneration of hexavalent chromium compounds and recovery of metals from waste bichromate solutions |
| 06/12/1979 | US4157946 Process for selective removal of bismuth and antimony from an electrolyte, especially in electrolytic refining of copper |
| 06/12/1979 | US4157943 Composite electrode for electrolytic processes |
| 06/05/1979 | CA1055883A1 Electrowinning of metals |
| 06/05/1979 | CA1055882A1 Process for the electrolytic recovery of gallium and/or alkali metals |
| 05/22/1979 | USRE30005 Method for the electrolytic recovery of metal employing improved electrolyte convection |
| 05/22/1979 | US4155821 Electrolysis, permselective membrane, suction, overflows |
| 05/15/1979 | CA1054556A1 Electrowinning of gallium |
| 05/08/1979 | CA1054090A1 Electrolyzer for producing metals |
| 05/08/1979 | CA1053913A1 Leaching a copper-nickel concentrates |
| 05/01/1979 | US4152227 Method for extraction of gallium from aluminate-alkaline solutions in the production of alumina from aluminum-containing ores |
| 05/01/1979 | CA1053608A1 Electrolytic extraction of non-ferrous metals by periodically reversing current |
| 04/24/1979 | US4151051 Electrical current required is generated by natural sources such as winds, tides, sun, temperature gradients, or magnets |
| 04/17/1979 | US4149947 Production of metallic lead |
| 04/17/1979 | US4149946 Recovery of spent pickle liquor and iron metal |
| 04/17/1979 | US4149944 Method for electrolytic deposition of manganese |
| 04/17/1979 | US4149943 Method of recovering mercury |
| 04/17/1979 | CA1052729A1 Flow of electrolyte through electrolytic cells |
| 04/17/1979 | CA1052727A1 Nickel electrowinning process |
| 04/17/1979 | CA1052586A1 Process for oxidizing metal sulfides to elemental sulfur using activated carbon |
| 04/17/1979 | CA1052584A1 Method of extraction of nickel and copper from the nodules of deep-sea beds |
| 04/10/1979 | US4148698 Refining of ferrous and base metal sulphide ores and concentrates |
| 04/04/1979 | EP0001211A1 Process for the removal of lead ions from formose, and use of the formose thus obtained for the production of synthetic materials and methylolated formoses |
| 04/03/1979 | US4147597 Mandrel comprising metal surface finished by grit blasting providing micro-indentation to improve adhesion |
| 04/03/1979 | CA1051820A1 Zinc extraction method and apparatus |
| 03/27/1979 | US4146447 Arsenic removal from electrolytes |
| 03/27/1979 | CA1051373A1 Electrolysis using floating member between electrolyte and covering liquid |
| 03/20/1979 | CA1050924A1 Electrodeposition of copper |
| 03/13/1979 | US4144148 Method and apparatus for treating metal containing waste waters |
| 03/06/1979 | CA1049953A1 Two-stage pressure leaching process for zinc and iron bearing mineral sulphides |
| 02/27/1979 | US4141804 Process for electrowinning metal from metal bearing solutions |
| 02/27/1979 | CA1049267A1 Method of reclaiming nickel values from a nickeliferous alloy |
| 02/20/1979 | US4140597 Method of recovering the component metals from sintered metal carbides |
| 02/20/1979 | US4140596 Process for the electrolytic refining of copper |
| 02/13/1979 | US4139432 Process for electrochemically recovering precious metals from ores |