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7314500 |
Systems and methods for removing contaminate material from a flowable material
A method of removing contaminate material from a flowable material, comprising the following steps. A first container defining a first chamber is provided. A second container defining a second...
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7214256 |
Solvent extraction process
A circuit configuration for a metal solvent extraction plant comprising:
A) an extraction section for extracting metal ions from an aqueous leach solution containing the metal ions with an...
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7033480 |
Process for recovering platinum group metals from material containing base metals
The process of the present invention recovers platinum group metal(s), such as platinum and palladium, from PGM-containing materials containing base metals, such as copper and nickel. The process...
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6991669 |
System and method for silver recovery and monitoring
A silver recovery and monitoring system including a sensor for transmitting a silver concentration signal in response to the concentration of silver in a fluid, means for determining whether the...
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6972107 |
System for direct electrowinning of copper
A system and process for recovering copper from a copper-containing ore, concentrate, or other copper-bearing material to produce high quality cathode copper from a leach solution without the use...
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6893606 |
Method and system for extracting metal from glass waste
A method and systems are provided for extracting heavy metal from glass waste. Glass is initially crushed to a diameter size between about 10 nanometers and about 2 millimeters. The glass is then...
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6793816 |
Equipment for the leaching of solid matter from sludge
The present invention concerns equipment for the leaching of solid matter from a sludge with the aid of a gas containing oxygen, the said equipment comprising a tall reactor ( 1 ) equipped with a...
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6780221 |
Waste metal removal systems and methods
A removal system for removing a waste metal from a waste solution. The removal system comprises outer and inner containers, inlet, intermediate, and outlet conduits, and first and second reaction...
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6743276 |
Method and apparatus for solar heating a mining leach solution
A method and apparatus for solar heating a leach solution prior to its distribution over an ore heap. The apparatus includes a heat absorbing mat having a series of individual heat absorbing tubes...
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6685877 |
Apparatus for heating flowing material containing solids
The invention relates to an apparatus for the heating of flowing material containing finely divided solids, such as concentrate slurry containing precious metals and/or precious minerals, up to a...
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6616730 |
Method and device for activating a physical and/or a chemical reaction in a fluid medium
It is possible to activate a physical reaction and/or a chemical reaction in a medium, comprising a solution and solid matter that is freely dispersed in said solution, by placing the mixture in a...
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6613271 |
Apparatus and methods for recovering valuable metals
Apparatus and method for continuously separating a dense valuable material such as gold from a feed including a grinding mill ( 2 ) which directs a crushed feed through hydrocyclones ( 9 ) for...
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6576041 |
Method and apparatus for chemical processing
A system and method are disclosed after chemical processing involving agitation and/or mixing of components. In one embodiment, the chemical processing involves pressure oxidation and in another...
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6572677 |
Gelatin encapsulated metal powder for silver recovery from processing solutions
The present invention relates to the use of fine metal particles for the recovery of silver from a silver-bearing photographic waste solution. In particular, the metal particles are encapsulated in...
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6500232 |
Interfacial crud removal system for solvent extraction and method for solvent extraction
Process and equipment for the removal of crud from the interface between aqueous and organic layers in SX settlers in which at least one rotatable auger is positioned at or near the interface to...
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6395063 |
Method and system for pressure oxidation of sulfide gold ores involving enhanced oxygen-sulfide contact
A system and method for recovering gold using pressure oxidation is disclosed. In one embodiment, a feed slurry is introduced into multiple compartments or stages of a multi-stage autoclave. In...
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6391165 |
Reclaiming metallic material from an article comprising a non-metallic friable substrate
A system for reclaiming cadmium and tellurium from cadmium telluride solar cell. The system comprises a crushing apparatus for crushing cells into pieces, a first conveyor for transporting solar...
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6290897 |
Pumpless silver recovery system
A simple and reliable silver recovery system including a series of silver recovery processing containers through which solution flows by gravity to a waste container. The reservoir container...
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6200521 |
Waste recovery system
A silver waste recovery system including a container having an inlet and an outlet at a lower elevation than the inlet, filler material in a silver cell is in communication with the inlet and a...
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6149711 |
Method and apparatus for solar heating and distributing a mining leach solution
A method and apparatus for solar heating a leach solution prior to its distribution over an ore heap. The apparatus includes a distribution mat having a series of individual emitter tubes joined by...
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6090341 |
Method and system for extracting and refining gold from ores
A process and system and for extracting and refining gold from ores using relatively benign and inexpensive chemicals, fewer process steps, and permitting the recycling and re-use of process...
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6053964 |
Apparatus and method for applying a leaching solution to ore
An apparatus for applying a leaching solution to a mass of ore includes a plurality of first tubes which are connected to a supply of leaching solution. Each of the first tubes is fitted with...
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6042775 |
Silver reclamation system
A silver reclamation system for use with photographic solution. The silver reclamation system includes a body containing a plurality of metallic members positioned within a flow chamber and a...
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5914441 |
Biocatalyzed anaerobic oxidation of metal sulfides for recovery of metal values
A method and apparatus for anaerobic oxidation of metal sulfides in ores and concentrates. Base-metal and precious-metal ores and concentrates often contain metal sulfides, such iron sulfides...
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5900041 |
Value metal recovery
Value metal, for example, silver in a spent silver bearing photographic solution is efficiently recovered in an exchange mass comprising a particulate inert substrate, for example, cellulosic...
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5863491 |
Photocatalytic reactor for metal recovery from industrial waste streams
A photocatalytic reactor to recover precious metals, useful metals, and toxic metals from industrial waste streams using visible or ultraviolet light and semiconductor material as the...
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5837188 |
Silver recovery system
A silver recovery system including a container having an inlet and an outlet, a core member positioned within the container, a filler material adjacent to the core member and being of a metal above...
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5820066 |
Methods and apparatus for laying fluid distribution lines
Methods and apparatus for laying fluid distribution lines along a surface are disclosed. An overhead support cable is secured between a plurality of anchoring devices spaced along the surface. A...
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5685962 |
Apparatus for silver recovery
The apparatus allows at least two film processor fixing solution tanks for black and white films with silver-based coating to be connected to a silver recovery unit. To that end, an intermediate...
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5672194 |
Method and apparatus for extracting precious metals from their ores and the product thereof
A method and apparatus for extraction of precious metals from their ores and the product thereof. Oxidized ore comprising a precious metal is exposed to a leaching solution (lixiviant) comprising a...
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5641452 |
Device for recovering silver from fluids and process using same
A silver recovery device for recovering silver from silver containing fluids is provided. The silver recovery device includes an outside container having a fluid inlet and a fluid outlet. A silver...
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5626816 |
Silver recovery system
A system for recovering silver as a free metal from silver-bearing liquid. The silver recovery system includes a holding tank for receiving silver bearing liquid having an opening in its top and a...
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5603890 |
Silver recovery unit
A silver recovery unit for precipitating silver from photographic solutions and the like. The silver recovery unit is provided with a container having an inlet and an outlet. Positioned within the...
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5527017 |
Apparatus for dissolving zinc by means of acid-containing liquid electrolytes
An apparatus for dissolving zinc by means of acid-containing liquid electrolytes includes a container for zinc particles to be dissolved, inlet and outlet devices for continuously admitting and...
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5472176 |
Silver recovery device
A silver recovery device for recovering silver from photographic fluid is provided. The silver recovery device includes an outside container having a fluid inlet and a fluid outlet. The fluid inlet...
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5403382 |
Method and apparatus for copper processing
Copper is extracted from ore by crushing copper bearing ore followed by heap leaching with sulfuric acid and then moving the resulting solution to a tank containing scrap iron and agitating the...
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5402991 |
Tube connector for heap leach mining, drip tube percolation system, and method for connecting same
A tube connector utilized in connecting a drip tube to a header pipe in a heap leach mining percolation system which provides for strength at the normally weak connection between the header pipe...
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5382413 |
Safety module for hydrogen generating reactors
A reactor provided with a gas-safety device/module therefor comprises (i) a reaction vessel having an open upper end, (ii) demisting means engaging and at least partially closing off the open upper...
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5308380 |
MIC oxygenation: "extraction of metals values from metals bearing ores"
This invention relates to the extraction of metal values from metal bearing ores. More particularly, in a process for recovering metal values from metal bearing ore, the invention provides the step...
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5030279 |
Controlled percolation method for heap leach mining
A system for heap leach mining comprises supply and header pipes for conducting leaching solution alongside a bed or "heap" of crushed metal-laden ore deposited on an impervious pad. A series of...
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5007620 |
Apparatus for biological processing of metal-containing ores
An apparatus for use in bioleach processing of metal-bearing solids is disclosed. The apparatus includes a containment means adapted for containing a slurry made up of metal-bearing solids, a...
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5005806 |
Controlled percolation system and method for heap leach mining
A system for heap leach mining comprises supply and header pipes for conducting leaching solution alongside a bed or "heap" of crushed metal-laden ore deposited on an impervious pad. A series of...
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4974816 |
Method and apparatus for biological processing of metal-containing ores
A method and attendant apparatus for use in bioleach processing of metal-bearing solids is disclosed. The method includes the placement into a tank of metal-bearing solids, a predetermined quantity...
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4968008 |
Bioleaching apparatus and system
A reactor for use in processing metal bearing solids by means of a bioleaching technique is disclosed. The reactor includes an open topped basin, a gantry adapted for displacement along the length...
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4964622 |
Leaching vessel and slurry flow control
A leaching vessel comprises a central outlet in which is situated a multi-bladed pump for pumping slurry from the vessel. An inclined wall adjacent the bottom wall of the vessel surrounds the...
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4960584 |
Adjustable emitter for heap leach mining percolation system and method
A system for heap leach mining comprises supply and header pipes for conducting a leaching solution alongside a bed or "heap" of crushed metal-laden ore deposited on an impervious pad. A series of...
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4955482 |
Screen cleaning in cil & cip systems
In carbon-in-pulp (CIP) and carbon-in-leach (CIL) processes, especially those utilizing pure oxygen instead of normal air to increase the overall efficiency of the cyanide leaching-adsorption...
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4885098 |
Sonic method for facilitating the removal of solid particles from a slurry
An elastic bar member is coupled to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly...
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4883532 |
Sonic method for facilitating the extraction of minerals from ore in a leachant
An elastic bar member is clamped to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly...
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4824939 |
Process for leaching particulate solid materials
A novel leaching process for separating extractable material from a particulate solid material that comprises extractable and non-extractable portions includes the steps of introducing the...
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