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HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

Jaw Crusher PE

Jaw Crusher PE

Jaw crusher is driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger whe

HPT Hydraulic Cone Crusher

HPT Hydraulic Cone Crusher

Base on the latest technology and decades of years’ producing experience, Our Company designed the HPT series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application

HST Hydraulic Cone Crusher

HST Hydraulic Cone Crusher

HST Single Cylinder Hydraulic Cone Crusher is a new high-efficiency cone crusher independently researched, developed and designed by SBM through summarizing over twenty years of experience and widely absorbing advanced American and German technologies

CI5X Series Impact Crusher

CI5X Series Impact Crusher

CI5X Impact Crusher breaks materials with impact force. When materials enter the working area of hammer, they may be crushed under the high-speed shock and then thrown onto the impact device above the rotor for another crushing. Next, materials bounce

VSI6X Series Vertical Crusher

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, SBM, a Chinese professional sand maker manufacturer, further optimizes the structure and function of tr

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

Refining Of Iridium Process

Refining Secondary Iridium by an Oxidative Method

This process involves oxidation of the im- purities during air melting of the scrap iridium in a periclase crucible (periclase contains, in ... results, it is possible to conclude that iridium refining can be carried out by the following methods: 1. The oxidation of impurities which form stable oxides during the induction-oxidation melting process. These, together with the ox- ides in the ...

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Processing of Iridium and Iridium Alloys Johnson Matthey ...

Ir is separated from platinum group metal (pgm) concentrates and purified either by conventional chemical refining methods or by a solvent extraction process (4). In the conventional methods Ir oxide is dissolved in aqua regia (a mixture of concentrated nitric and hydrochloric acids) and precipitated with ammonium chloride.

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Refining - Iridium Project

Refining; Application; Sources; Forum; Iridium is one of the rarest elements on the planet. It is only found as an impurity in Platinum. There are only 3 naturally-occurring elements rarer than Iridium. The most common way Iridium is obtained is during the electrorefining of Nickel. During this process, Platinum, along with other metals, fall out of the Nickel. The platinum is then exposed to ...

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US4406693A - Method for refining contaminated iridium ...

Contaminated iridium is refined by alloying it with an alloying agent selected from the group consisting of manganese and an alloy of manganese and copper, and then dissolving the alloying agent...

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Recovery of iridium from scrap and residues - ScienceDirect

01/01/1985  In conventional hydrochemical iridium refining the scrap is alloyed with nickel to form a 70Ni-30Ir alloy by melting and the iridium is recovered as an impure powder (70Ir-30Ni) by acid leaching of this alloy. The iridium powder is then subjected to several complex oxidation, dissolution and purification steps for further refining.

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How to Refine Iridium - Gold Refining Forum

31/12/2020  There are just two methods to refine iridium (quickly and efficiently): Fusion with sodium chloride in an atmosphere of chlorine and fusion with sodium or barium peroxide (mixed with Na2O 40/60) and solvation in aqua regia or concentrated HCl. The cooled mass from the NaCl/Cl2 method dissolves in water and is afterward acidified with HBr or HCl.

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Processing Technology : Iridium|Technology Introduction ...

As a result, iridium is very difficult to process, and requires special processing techniques. For one thing, it is virtually impossible to cold roll iridium, and all manufacturing steps must be performed at high temperatures of at least 1000℃. Iridium forging and rolling is performed under high-precision temperature control to produce sheets of the required size. These sheets undergo a ...

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US6596245B2 - Process for the recovery and refining of ...

The present invention relates to a process for the recovery and refining of rhodium starting from a mixture containing rhodium and other transition metals, including those of the platinum Group, as well as metals of the main Groups, said process comprising the following passages: a) formation of an adduct between rhodium trichloride and a halide of a metal selected from metals of Groups IIA ...

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Pgm refining Johnson Matthey

Our refining process involves four key steps: Evaluation Evaluation is a critical stage. During this step we determine the pgm content of the material and agree with the customer on the pgm quantity or value we will return to them. At this stage we provide the lead time for refining. Material tracking is crucial; on receipt all customer batches ...

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refining of platinum group metals / priciple flow sheet

The process is very effective in the rejection of non-precious metals. platinum, iridium solvent extraction Similar like palladium, platinum and iridium are separated from the raffinate of the palladium extraction. Of course the extractants, conditions and equipments differ.

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Refining - Iridium Project

Refining; Application; Sources; Forum; Iridium is one of the rarest elements on the planet. It is only found as an impurity in Platinum. There are only 3 naturally-occurring elements rarer than Iridium. The most common way Iridium is obtained is during the electrorefining of Nickel. During this process, Platinum, along with other metals, fall out of the Nickel. The platinum is then exposed to ...

More

US4406693A - Method for refining contaminated iridium ...

Contaminated iridium is refined by alloying it with an alloying agent selected from the group consisting of manganese and an alloy of manganese and copper, and then dissolving the alloying agent from the formed alloy to provide a purified iridium powder. US4406693A - Method for refining contaminated iridium - Google Patents Method for refining contaminated iridium Download PDF Info Publication ...

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Method for refining contaminated iridium - HESHMATPOUR;

A method of refining iridium containing a contaminant, comprising: forming an alloy ingot of the contaminated iridium and an alloying agent selected from the group consisting of manganese and a mixture of manganese and copper sufficient to provide at least 58% by weight manganese in said alloy ingot; and . dissolving said alloying agent from said alloy ingot with hydrochloric acid to provide ...

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Recovery of iridium from scrap and residues - ScienceDirect

01/01/1985  In conventional hydrochemical iridium refining the scrap is alloyed with nickel to form a 70Ni-30Ir alloy by melting and the iridium is recovered as an impure powder (70Ir-30Ni) by acid leaching of this alloy. The iridium powder is then subjected to several complex oxidation, dissolution and purification steps for further refining. The use of nickel has several disadvantages and contributes to ...

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Processing Technology : Iridium|Technology Introduction ...

As a result, iridium is very difficult to process, and requires special processing techniques. For one thing, it is virtually impossible to cold roll iridium, and all manufacturing steps must be performed at high temperatures of at least 1000℃. Iridium forging and rolling is performed under high-precision temperature control to produce sheets of the required size. These sheets undergo a ...

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Metal Profile: Iridium - ThoughtCo

21/08/2020  An evaporation drying process, followed by burning with hydrogen gas, finally results in pure iridium. The global production of iridium is limited to roughly 3-4 tons per year. Most of this originates from primary ore production, although some iridium is

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Precious Metals Refining - Jacobs I

refining to the mechanical processing of precious metals, these areas have been the core activities of the Heraeus family-owned businesses.PreciousMetalChem-istry is our area of expertise since then. Our particular strengths are in Platinum Group Metals along with Ruthenium, Iridium, Rhenium and Osmium. We refine precious metals for our cus-tomers from primary and secondary sources and produce ...

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US6596245B2 - Process for the recovery and refining of ...

The present invention relates to a process for the recovery and refining of rhodium starting from a mixture containing rhodium and other transition metals, including those of the platinum Group, as well as metals of the main Groups, said process comprising the following passages: a) formation of an adduct between rhodium trichloride and a halide of a metal selected from metals of Groups IIA ...

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Process Precious Metals Refining

Umicore Precious Metals Refining operates as one of the world's largest precious metals recycling facilities. This business unit of Umicore is the world market leader in recycling complex waste streams containing precious and other non-ferrous metals. We offer eco-efficient recycling and refining services for precious metal bearing materials such as by-products from other non-ferrous ...

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Precious Metal Refining Company Arch Enterprises

Located in the heart of Missouri, we became incorporated in 1997 and provide recovery services for all scrap precious metal materials including gold, platinum, silver, palladium, rhodium, iridium, and ruthenium. We perform extraction services for the photo, medical, dental, and jewelry industries, but also work with consumers on a regular basis to recover metals from old coins, flatware ...

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Method for refining contaminated iridium - HESHMATPOUR;

A method of refining iridium containing a contaminant, comprising: forming an alloy ingot of the contaminated iridium and an alloying agent selected from the group consisting of manganese and a mixture of manganese and copper sufficient to provide at least 58% by weight manganese in said alloy ingot; and . dissolving said alloying agent from said alloy ingot with hydrochloric acid to provide ...

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Processing Technology : Iridium|Technology Introduction ...

Worthy of special mention is the fact that Furuya Metal has manufacturing technology for the melting and processing of iridium powder that is produced by iridium mines, as well as technology to produce high-purity iridium powder, mainly through recycling.

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refining iridium - Gold Refining Forum

29/03/2019  refining iridium. Any questions about other precious metals. 36 posts 1; 2; Next; imrani Member Posts: 22 Joined: December 8th, 2018, 5:49 pm Country of Origin: pakistan. refining iridium. Post by imrani » December 8th, 2018, 5:56 pm How I refine iridium from ore. Any suggestions . I lost iridium many times my process is failed plz guide me. Top. jimdoc Active Member Posts: 4875

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Redefining Refining - Noble Metal Services

Iridium. Rhodium. Refining Process . Our unprecedented commitment to on-going capital equipment investments has allowed us to evolve with the ever-changing industries that we serve. With optimized efficiency, increased capacity, and technology improvements, we use a variety of processes to obtain the highest yields for virtually any precious metal bearing material – resulting in extremely ...

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The Refining Process

Hoover and Strong has invested in a new refining process known as the "Miller Process". Bullions from smelting are melted in a furnace. Chlorine gas is then bubbled through the liquid metal, turning silver and base metals into solid chlorides. These float on top of the melt and are skimmed from the surface to undergo a secondary refine to reclaim any silver. Once the process is complete, the ...

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HEV - the precious metal refining consultant offers ...

gold refining by solvent extraction - the HAUREX process refining of platinum, rhodium, iridium from spent catalyst gauzes, bushings etc. recycling of platinum, palladium from spent Pt/C and Pd/C active carbon catalysts highly selective rhodium precipitation by an organic agentfrom main stream refining liquors

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iridium ore refine process

Iridium Ore - Stardew Valley Wiki. The present invention relates to a process for the recovery and refining of rhodium starting from a mixture containing rhodium and other transition metals, including those of the platinum Group, as well as metals of the main Groups, said process comprising the ...CNA - Method for extracting osmium, iridium .The present invention relates to extraction and ...

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Process for the recovery and refining of rhodium - Chimet ...

A process for the recovery and refining of rhodium starting from a mixture containing rhodium and other transition metals, including those of the platinum Group of the Periodic Table of the Elements as well as the remaining metals of the Periodic Table of the Elements, said process being characterized by the following passages: a) formation of a precipitated adduct between rhodium trichioride ...

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Process Precious Metals Refining

Our precious metals refinery combines classical methods (cupellation) with unique in-house developed processes (silver refinery), to enable Hoboken to treat all possible variations and ratios of precious metals (silver and gold) and platinum group metals (platinum, palladium, rhodium, iridium and ruthenium).

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Precious Metal Refining Company Arch Enterprises

Located in the heart of Missouri, we became incorporated in 1997 and provide recovery services for all scrap precious metal materials including gold, platinum, silver, palladium, rhodium, iridium, and ruthenium. We perform extraction services for the photo, medical, dental, and jewelry industries, but also work with consumers on a regular basis to recover metals from old coins, flatware ...

More

Processing of Iridium and Iridium Alloys

Refining of iridium is the very complicated procedure and, therefore, the technology for its processing was elaborated at the end of 50th years of the XX century by the last among other metals ...

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Method for refining contaminated iridium - HESHMATPOUR;

Contaminated iridium is refined by alloying it with an alloying agent selected from the group consisting of manganese and an alloy of manganese and copper, and then dissolving the alloying agent from the formed alloy to provide a purified iridium powder.

More

Processing Technology : Iridium|Technology Introduction ...

Worthy of special mention is the fact that Furuya Metal has manufacturing technology for the melting and processing of iridium powder that is produced by iridium mines, as well as technology to produce high-purity iridium powder, mainly through recycling.

More

refining iridium - Gold Refining Forum

29/03/2019  refining iridium. Any questions about other precious metals. 36 posts 1; 2; Next; imrani Member Posts: 22 Joined: December 8th, 2018, 5:49 pm Country of Origin: pakistan. refining iridium. Post by imrani » December 8th, 2018, 5:56 pm How I refine iridium from ore. Any suggestions . I lost iridium many times my process is failed plz guide me. Top. jimdoc Active Member Posts: 4875

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Methods for the separation of platinum, palladium, rhodium ...

ofiridiumfromplatinum,ofpalladiumfromplatinum,andofthe collective separation of rhodium, iridium, and palladium from platinum. In addition, thepapercontainsthe resultsof experimentsonthe

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The method of extraction of iridium from a material ...

The method of extraction of iridium relates to the field of non-ferrous metallurgy, in particular to the refinery production of platinum group metals (PGM). In a series of platinum group metals, except osmium, iridium is the most rare and difficult to extract.

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HEV - the precious metal refining consultant offers ...

gold refining by solvent extraction - the HAUREX process refining of platinum, rhodium, iridium from spent catalyst gauzes, bushings etc. recycling of platinum, palladium from spent Pt/C and Pd/C active carbon catalysts highly selective rhodium precipitation by an organic agentfrom main stream refining liquors

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Refining Preciosu Metals and Platinum Group Metals Gold ...

Our company is in the business of recovering and refining gold and silver, as well as the six platinum group metals: platinum, palladium, rhodium, ruthenium, iridium and osmium Gold Our Gold has a minimum purity of 99,5% plus and is sold in sponge form, but can also be supplied as intermediate salts, granules or bars.

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iridium ore refine process

Iridium Ore - Stardew Valley Wiki. The present invention relates to a process for the recovery and refining of rhodium starting from a mixture containing rhodium and other transition metals, including those of the platinum Group, as well as metals of the main Groups, said process comprising the ...CNA - Method for extracting osmium, iridium .The present invention relates to extraction and ...

More

Precious Metal Refining Company Arch Enterprises

Located in the heart of Missouri, we became incorporated in 1997 and provide recovery services for all scrap precious metal materials including gold, platinum, silver, palladium, rhodium, iridium, and ruthenium. We perform extraction services for the photo, medical, dental, and jewelry industries, but also work with consumers on a regular basis to recover metals from old coins, flatware ...

More