| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 205771000 | Removing metal | 21 |
| 20100025262 | Method for removing a protective coating from a component - The invention relates inter alia to a method for removing a protective coating from a component, especially a turbine blade. According to the invention, the protective coating is removed, using mechanical shock waves having a shock wave repetition rate below 20 kHz. | 02-04-2010 |
| 20100252449 | Method for Conditioning a Cleaning Solution Resulting from the Wet Chemical Cleaning of a Nuclear Steam Generator - A method for conditioning a cleaning solution resulting from the wet chemical cleaning of a nuclear steam generator, includes electrolytically treating the cleaning solution and depositing radioactive metal nuclides contained in the cleaning solution on a cathode. | 10-07-2010 |
| 20110011750 | Electric Induction Heating and Stirring of an Electrically Conductive Material in a Containment Vessel - Apparatus and method are provided for electric induction heating and/or stirring of a molten electrically conductive composition in a containment vessel with the apparatus being removably insertable in the molten composition. An induction coil embedded in refractory or a coating is submerged in the composition and used to heat and/or stir the molten composition either externally or internally to the refractory or coating. | 01-20-2011 |
| 20120318682 | ELECTROWINNING APPARATUS AND METHOD FOR RECOVERING USEFUL METALS FROM AQUEOUS SOLUTIONS - An electrowinning apparatus and method are provided. The electrowinning apparatus includes: an electrolytic cell including a body portion which has an inlet for introducing an aqueous solution containing metal ions into the body portion and a conical portion which is gradually reduced in diameter from top to bottom and disposed under the body portion; a ring-shaped cathode coupled to an inner circumferential surface of the body portion of the electrolytic cell and having an entrance hole which extends from an outer circumferential surface of the cathode through to an inner circumferential surface of the cathode and is connected to the inlet of the electrolytic cell; and a hollow anode having an upper end disposed outside the electrolytic cell and inserted into the cathode. In the electrowinning method, a metal can be recovered from an aqueous solution containing a low concentration of metal ions using the above cyclone-shaped electrowinning apparatus. | 12-20-2012 |
| 20130062220 | Apparatus and Method for Recovering Valuable Substance from Lithium Secondary Battery - The present invention includes: a reaction tank ( | 03-14-2013 |
| 20130146477 | METHOD FOR RECOVERING NOBLE METALS AND OTHER BYPRODUCTS FROM ORE - Method for the recovery of noble metals comprising the steps of subjecting ore particles to an electrolytic bath enhanced by an ultrasonic bath, the electrolytic bath comprising heavy and/or semi-heavy water; shock heating the ore particles for disintegrating them; and separating noble metals from the remains of said disintegrated ore particles. | 06-13-2013 |
| 20130220831 | INSTALLATION AND INDUSTRIAL OPERATION OF AN AIR SUPPLY SYSTEM TO DOSE GIVEN AIR FLOWS TO EACH INDIVIDUAL CELL OF A SET OF ELECTROLYTIC CELLS - The invention refers to an air supply system ( | 08-29-2013 |
| 20130256153 | CONTINUOUS ELECTROWINNING PROCESS AND SYSTEM THEREOF - A continuous electrowinning system | 10-03-2013 |
| 20140166501 | ELEMENT RECOVERY METHOD AND ELEMENT RECOVERY APPARATUS - An element recovery method and an element recovery apparatus are provided by which an element containing a high-purity rare earth element can be recovered at low cost. The element recovery method includes the steps of: preparing molten salt containing a rare earth element; and controlling electric potentials in a pair of electrode members at prescribed values while keeping the pair of electrode members in contact with the molten salt, thereby depositing the rare earth element existing in the molten salt on one of the pair of electrode members. In this way, as compared with the conventional wet separation method, an element such as a rare earth element that is to be recovered can be directly recovered from the molten salt in which the element is dissolved, so that the steps of the recovery method can be simplified and reduced in cost. | 06-19-2014 |
| 20140166502 | A PROCESS FOR RECOVERING METALS AND AN ELECTROLYTIC APPARATUS FOR PERFORMING THE PROCESS - A process for recovering at least one metal from a metal containing resource, in particular containing at least one metal oxide. The process including the step: providing a crucible containing a chloride salt melt, at least one cathode and an anode connected to the salt melt, heating means for heating the salt melt, and an aluminum melt present at the bottom of the crucible, said aluminum melt forming a part of the anode. | 06-19-2014 |
| 20140246333 | METHODS OF CONTROLLING EMISSIONS - Disclosed herein are methods for controlling mercury emissions, and more particularly, to methods for controlling mercury re-emissions from a wet flue gas desulfurizer by using applied electrochemical potential. | 09-04-2014 |
| 20150034497 | METHOD AND APPARATUS FOR ELECTROCHEMICAL RECOVERY OF MERCURY FROM SOLUTIONS - In embodiments there are disclosed a substantially flat, flow through electrode, electrochemical cells comprising substantially flat flow through cathodes, and methods for electrochemically recovering a metal substantially liquid at room temperature. | 02-05-2015 |
| 20150053574 | METAL ELECTROWINNING ANODE AND ELECTROWINNING METHOD - An electrowinning system is provided that is capable of suppressing accumulation of a side reaction product on an anode and a rise of an electrolysis voltage caused thereby, and an electrowinning method is provided using the system. To solve this problem, the electrowinning system of the present invention applies predetermined electrolysis current between an anode and a cathode placed in an electrolyte, thereby depositing a desired metal on the cathode, in which the electrolyte is a sulfuric acid-based or chloride-based solution containing ions of the metal, and the anode has a Catalytic layer, containing amorphous iridium oxide or amorphous ruthenium oxide, formed on a conductive substrate. | 02-26-2015 |
| 20150129433 | METHOD FOR RECOVERING A METAL FROM SOLUTION, SYSTEM FOR RECOVERING A METAL FROM SOLUTION, AND SYSTEM FOR RECOVERING LITHIUM FROM SALT WATER - In a method for recovering a metal from a solution, a first electrode that includes a metal for recovery and a second electrode that includes a metal different from the metal for recovery are prepared. The first electrode and the second electrode are immersed in a first solution that includes a metal ion for recovery. The metal ion for recovery in the first solution is combined with the first electrode. The first electrode and the second electrode are charged while immersing the first and second electrodes in a second solution different from the first solution so that the metal ion for recovery is separated from the first electrode. The metal for recovery is recovered from the second solution. | 05-14-2015 |
| 20150361576 | Acid Mist Control Apparatus - Provided is an acid mist control apparatus for the control of acid mist emissions in an electrolytic cell. The apparatus includes an elongate hood having longitudinal edges, an upper surface and a lower surface; and a receiving aperture which is adapted to receive therethrough an anode of an electrolytic cell. | 12-17-2015 |
| 20160002802 | MEASUREMENT OF ELECTRIC CURRENT IN AN INDIVIDUAL ELECTRODE IN AN ELECTROLYSIS SYSTEM - The invention relates to a method and current measuring arrangement for measuring electric current flowing in an individual electrode in an electrolysis system. The electrolysis system comprises a plurality of interleaved electrodes ( | 01-07-2016 |
| 20160060777 | LITHIUM RECOVERY DEVICE AND RECOVERY METHOD - The present invention relates to a lithium recovery device and recovery method. The lithium recovery device of the present invention includes: a first electrode; a second electrode; and a power supply device. In the lithium recovery device of the present invention, since lithium is attached to an adsorbent of the first electrode by applying a current to the first and second electrodes in a state in which the first and second electrodes are immersed in a lithium-containing fluid, the first electrode including a carrier made of a stainless steel material in a form of an iron mesh or perforated sheet and having a surface coated with the adsorbent containing a manganese oxide, and the second electrode facing the first electrode, it is possible to increase a size of the device and have excellent energy efficiency and economic feasibility. | 03-03-2016 |
| 20160060779 | APPARATUS AND METHOD FOR RECOVERY OF METALS FROM A BODY OF FLUID BY ELECTRODEPOSITION - This disclosure relates to apparatus and methods for recovering metals from fluid body(s) using electrodeposition, for instance for the recovery of metals from underwater/oceanic sources, e.g., in the vicinity of hydrothermal vents. It provides apparatuses for recovering at least one target metal substance from a body of a fluid, comprising: at least one pair (comprising a cathode and an anode) of electrodes, such that when the apparatus is used, at least one pair of the electrodes is presented to the body of fluid; and means for generating an electrical potential difference across the at least one pair of electrodes, so that the potential difference generated across the pair is such as to attract target metal substance(s) present in the body of fluid, for deposition on at least one cathode on the apparatus. It also provides methods for recovering metals from a body of fluid using electrodeposition and the described apparatus. | 03-03-2016 |
| 20160115608 | SYSTEM FOR EVALUATION OF CURRENT DISTRIBUTION IN ELECTRODES OF ELECTROCHEMICAL PLANTS - The present invention relates to a system for direct detection of current supplied to the electrodes of electrolytic cells, particularly useful in non-ferrous metal electrowinning or electrorefining plants. The current distribution on a practically unlimited number of electrodes can be obtained through direct measurement on the electrode hanging bars without requiring the manual intervention of plant staff. | 04-28-2016 |
| 20160115609 | METHOD FOR METAL ELECTROWINNING AND AN ELECTROWINNING CELL - The invention relates to a method for electrowinning a metal from an electrolyte in an electrowinning cell that comprises an electrolysis tank, one or more anodes, and one or more cathodes, which anodes and cathodes are housed in the electrolysis tank. The method comprises supplying sulfur dioxide to the anode to depolarize the anode process and to reduce the energy consumption of the electrowinning cell. | 04-28-2016 |
| 20220136084 | BATTERY RECYCLING BY TREATMENT OF THE LEACH WITH METALLIC NICKEL - Process for the recovery of transition metal from cathode active materials containing nickel and lithium, wherein said process comprises the steps of (a) treating a lithium containing transition metal oxide material with a leaching agent (preferably an acid selected from sulfuric acid, hydrochloric acid, nitric acid, methanesulfonic acid, oxalic acid and citric acid), (b) adjusting the pH value to 2.5 to 8, and (c) treating the solution obtained in step (b)with metallic nickel, cobalt or manganese or a combination of at least two of the foregoing. | 05-05-2022 |
