|
Match
|
Document |
Document Title |
|
|
7591934 |
Apparatus for producing metal powder by electrowinning
This invention relates to an apparatus for producing a metal powder product using either conventional electrowinning or alternative anode reaction chemistries in a flow-through electrowinning cell....
|
|
|
7494580 |
System and method for producing copper powder by electrowinning using the ferrous/ferric anode reaction
The present invention relates, generally, to a method for electrowinning copper powder, and more particularly to a method for electrowinning copper powder from a copper-containing solution using...
|
|
|
7485216 |
Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
The present invention relates generally to a process for recovering copper and/or other metal values from a metal-bearing ore, concentrate, or other metal-bearing material using pressure leaching...
|
|
|
7452455 |
System and method for producing metal powder by electrowinning
This invention relates to a system and method for producing a metal powder product using either conventional electrowinning or alternative anode reaction chemistries in a flow-through...
|
|
|
7378010 |
System and method for producing copper powder by electrowinning in a flow-through electrowinning cell
This invention relates to a system and method for producing a metal powder product using conventional electrowinning chemistry (i.e., oxygen evolution at an anode) in a flow-through electrowinning...
|
|
|
7368049 |
Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anode
The present invention relates, generally, to a method and apparatus for electrowinning metals, and more particularly to a method and apparatus for copper electrowinning using the ferrous/ferric...
|
|
|
7344624 |
Reducing power consumption in electro-refining or electro-winning of metal
A cathode plate and method for electro-refining or electro-winning of metal. The cathode includes a cathode blade and hanger bar. A quantity of electrically conductive material is wrapped around...
|
|
|
7335289 |
High purity electrolytic copper and its production method
A method of producing high purity electrolytic copper through halide-bath electrowinning is provided. The method includes the steps of: growing copper in dendritic form to be deposited on a...
|
|
|
6846395 |
Edge insulating member for electrode plate, method of locking and unlocking the edge insulating member, and edge insulating member installation jig
The present invention relates to an edge insulation member for an electrode plate used for electrolytic refinement of metal, and to a fixing method for it. On a tip portion 22 A of a main body 22...
|
|
|
6835297 |
High current density electrolytic decomposition process for copper
The method for electrolytically refining copper makes use of crude copper as an anode and is characterized in that the temperature of the electrolyte in an electrolytic cell is maintained at a...
|
|
|
6569300 |
Steel-clad cathode for electrolytic refining of copper
An electrolytic cathode consists of a solid copper hanger bar and a stainless-steel mother plate attached to a receiving groove in the underside of the hanger bar. In the preferred embodiment of...
|
|
|
6153082 |
Copper cathode starting sheets
Wrought copper cathode starting sheets for use in the electrolytic production of copper made preferably by a continuous casting and rolling process are provided. Refined copper is melted in a shaft...
|
|
|
6045669 |
Structure of electric contact of electrolytic cell
The present invention provides a structure of an electric contact of an electrolytic cell, wherein an elongated conductive member is provided as a bus bar 10 on a wall of an electrolytic cell for...
|
|
|
5837123 |
Prevention of cathode corrosion during electrowinning
A method to prevent corrosion of a stainless steel cathode in a copper electrowinning system uses compounds added to the electrowinning solution which reduce the level of free chlorine. Examples of...
|
|
|
5779877 |
Recycling of CIS photovoltaic waste
A method for extracting and reclaiming metals from scrap CIS photovoltaic cells and associated photovoltaic manufacturing waste by leaching the waste with dilute nitric acid, skimming any plastic...
|
|
|
5720867 |
Process for the electrochemical recovery of the metals copper, zinc, lead, nickel or cobalt
An electrolytic cell comprising bipolar electrodes is employed for electrochemical deposition of copper, zinc, lead, nickel or cobalt. An interior space is provided between the cathode side and the...
|
|
|
5690806 |
Cell and method for the recovery of metals from dilute solutions
An electrochemical cell is provided for removal of metals such as copper, lead, silver, tellurium, platinum, palladium or nickel from dilute solutions of the metal. The cell comprises a porous...
|
|
|
5487819 |
Production of metals from minerals
A process for producing one or more metals from a mineral feedstock (12) is defined. The mineral is fed to a leaching apparatus (10) wherein it is contacted with electrolyte (14). The leaching...
|
|
|
5372683 |
Method and apparatus for the electrolytic extraction of metals from a solution containing metal ions
For the electrolytic extraction of metal from a solution containing metal ions and situated in a first cell, metal is cathodically deposited by means of an anode on an electrically conductive...
|
|
|
4944851 |
Electrolytic method for regenerating tin or tin-lead alloy stripping compositions
An aqueous solution of alkane sulfonic acid and inorganic nitrate used to strip metals from substrate surfaces, such as in stripping tin or tin-lead from copper surfaces, is regenerated by...
|
|
|
4911804 |
Electrochemical reactor for copper removal from barren solutions
A system for treating a barren solution typically containing a heavy metal such as copper, and complexed cyanide, from a precious metal mill, is treated in a first electrochemical cell to remove...
|
|
|
4882027 |
Cathode hangers
A cathode for electrolytic refining or electro-winning of copper is disclosed. The cathode comprises a steel hanger bar having a copper cladding and a flat stainless steel starter sheet with a...
|
|
|
4857159 |
Electrodeposition recovery method for metals in polymer chelates
The process of the present invention for the recovery of metal ions from a polymeric chelating agent stream or solution comprises the circulation of a loaded polymeric chelating agent stream or...
|
|
|
4702806 |
Method of and apparatus for recovering a metal from a solution, namely an electrolyte-containing metal
A cathode compartment is defined by a pair of filter walls between which a cathode or electrolyzing ionic solution of a metal is received. The electrolysis is forced through this compartment and...
|
|
|
4670124 |
Cathode for use in the electrolytic refining of copper and method of making same
A cathode for use in the electrolytic refining of copper which comprises a carrying bar and a flat starting plate, which is secured to the carrying bar and made of special steel and provided with...
|
|
|
4507182 |
Process for preparing metal by electrolysis, especially lead, and by-product obtained by their application
The present invention is a process for preparing a lead or copper metal by electrolysis in a cell having a cathode and an anode which are separated by a diaphragm, which comprises the steps of...
|
|
|
4490223 |
Electrode for electrometallurgical processes
The invention relates to an electrode for use in electrometallurgical processes, particularly for use as an anode in copper electrorefining to deposit copper onto starting blanks to make starting...
|
|
|
4470892 |
Planar carbon fiber electrode structure
Electrodes are disclosed which comprise a porous conductive material as a primary electrode component in electrical contact with a secondary electrode component which preferably is a metal, such as...
|
|
|
4459189 |
Electrode coated with lead or a lead alloy and method of use
An electrode in particular an oxygen-evolving anode for metal electrowinning from an acid electrolyte comprises a body of aluminum or other metal coated with lead or a lead alloy by electroplating...
|
|
|
4396474 |
Modified carbon or graphite fibrous percolating porous electrode, its use in electrochemical reactions
This invention concerns a fibrous percolating porous electrode of the type containing a fibrous porous matrix made of carbon or graphite. The fibrous porous matrix, such as a carbon or graphite...
|
|
|
4385970 |
Spontaneous deposition of metals using fuel fed catalytic electrode
The present invention encompasses the use of a specific fuel fed electrode in depositing metals from solutions thereof and in the absence of an external applied potential. Basically as shown in...
|
|
|
4293396 |
Thin carbon-cloth-based electrocatalytic gas diffusion electrodes, and electrochemical cells comprising the same
This disclosure is concerned with thin gas diffusion electrodes comprising an open pore carbon cloth substrate provided with a uniform mixture of catalytic carbon particles and preferably Teflon...
|
|
|
4251337 |
Novel titanium-containing electrode and electrolytic processes employing same
A new electrode comprising a titanium sheet, a copper hanger bar and an explosion-bonded metallurgical junction between said sheet and said bar bonding same together is disclosed as well as a...
|
|
|
4226685 |
Electrolytic treatment of plating wastes
The known method of removing heavy metal and cyanide ions from plating waste solutions wherein the solution is passed through flow-through, high surface area electrodes to precipitate heavy metal...
|
|
|
4207153 |
Electrorefining cell with bipolar electrode and electrorefining method
An electrorefining cell includes a bipolar electrode that is comprised of a sheet of acid resistant metal and a basket of the same or similar material attached directly to one side of the sheet,...
|
|
|
4196059 |
Method for electrolysis of non-ferrous metal
A technique and arrangement for the continuous electrolytic refining or electric extraction from solution of copper or other non-ferrous metal is described. An elongated electrolysis chamber is...
|
|
|
4171249 |
Improvements in or relating to circulating bed electrodes
An electrochemical cell is disclosed which includes a particulate electrode and a current conductor for feeding current to the particles of the particulate electrode, and means for flowing a fluid...
|
|
|
4141804 |
Process for electrowinning metal from metal bearing solutions
A process and an apparatus for electrowinning metal from metal bearing solutions is disclosed. A support solution containing a predetermined metal concentration is continuously recirculated through...
|
|
|
4139430 |
Process of electrodeposition and product utilizing a reusable integrated cathode unit
A reusable integrated cathode unit and an associated electrolytic method are disclosed for the simultaneous production of a multiplicity of metal electrodeposits by plating from a base metal...
|
|
|
4085017 |
Recovery of copper and nickel from alloys
Copper and nickel are recovered from alloys by electrolysis in a cell employing the alloy as anode. In addition, the electrolytic cell has separate anode and cathode sections, with an intermediate...
|
|
|
4073707 |
Method of operating a circulating bed cell
The invention discloses a method of controlling the size distribution of electroconductive particles constituting a particulate electrode in an electrochemical cell. Particles are extracted from...
|
|
|
4062744 |
Extraction of copper from sulfide ores
Copper is extracted from sulfide ores or concentrates by electrolysis in a cell having separate anode and cathode sections, and having an intermediate liquid copper-mercury alloy electrode between...
|
|
|
4053377 |
Electrodeposition of copper
The invention consists of a method for electrowinning or electrorefining of metals, particularly copper, comprising electrodepositing the metal from an electrolyte solution under conditions...
|
|
|
4038162 |
Method and apparatus for detecting and eliminating short-circuits in an electrolytic tank
In an electrolytic tank wherein cathode sheets and anode plates are arranged alternately close to each other and wherein the cathode sheets are attached to cathode bars being in contact with...
|
|
|
4033839 |
Method for series electrowinning and electrorefining of metals
An electrodeposition cell in which high quality metal such as copper is produced on bipolar electrodes at a high current density. The bipolar electrodes are arranged in series between a cathode and...
|
|
|
4028199 |
Method of producing metal powder
A metal powder e.g. copper or zinc, is produced from a dilute aqueous solution of the metal by subjecting the dilute aqueous solution to electrolysis in a cell having a rotating cylinder cathode...
|
|
|
4028202 |
Direct electrochemical recovery of copper from dilute ammoniacal solutions
A process for the direct electrochemical recovery of copper values from dilute ammoniacal leach liquors.
|
|
|
4014763 |
Cathode and hanger bar assembly and electrolysis therewith
A cathode in which the hanger bar is formed of titanium cored copper, the cathode being in the form of a continuous sheet of titanium spotwelded along one edge to the titanium core of the hanger...
|
|
|
3988221 |
Electrolytic removal of heavy metal ions using particulate silicon alloys
A cathodic bed of essentially inert, low cost silicon metal alloys in particulate form is used for the removal of ionic impurities from aqueous solutions by electrolytic deposition. The alloys used...
|
|
|
3984295 |
Method for galvanically winning or refining copper
A method for electrochemically refining copper, which comprises placing a catholyte solution consisting of a copper ion aqueous solution and an anolyte solution consisting of an aqueous dispersion...
|