• Induction Heating and Precious Metal Refining -

    Because induction is a no-contact process that doesn’t utilize combustion, induction furnaces can work in inert atmospheres and vacuums – which is necessary when creating alloys that oxidize if heated in the presence of air. As an additional benefit, the magnetic forces in an induction furnace can be directed to stir the molten metal, which is very useful for creating fully homogenized alloys.

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    Induction furnace - Gold Refining Forum. 23/1/2017 Re: Induction furnace Post by zachy » January 15th, 2017, 3:56 am I want to melt platinum dust, but the induction does not affect the dust, and if I use gas torch, it becomes contaminated, if I use zirconium oxide crucible, it

  • Induction furnace - Gold Refining Forum

    23/01/2017  Indeed, but having done my share of shopping over the past few months for a new induction furnace, I've come to the realization that you cannot get a furnace that will melt your gold powder or platinum sponge and also melt the bulk material. Most of the IGBT driven units from Inductotherm are pretty expensive, I think their minimelt furnace for platinum/steel is about 16 kHz,

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    These induction furnaces are used in processing and refining gold, silver and platinum group metals. We recognize that even minute metal loses and metallurgical impurities are extremely costly. This is why we ensure our technologies increase metal recovery and lower processing costs in each step of the cycle.

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    The final stage in the refining operations – platinum sponge is being melted in a high frequency induction furnace for casting into ingot form The solution remaining after distillation contains the iridium and rhodium, which are recovered as sodium salts, followed again by precipitation of their complex ammonium compounds and calcination.

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    Our induction melting furnace offer you what you need to refine gold in any kind– whether its scrap gold, old gold jewelry, gold coin,gold from mining, prospecting or gold of any other type.As a leading precious metal smelting and casting solutions provider, we continually provide a wide range of products to maintain our leadership in the market because of today’s great competition.

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    It is an electrochemical process which has been applied in many large-scale gold-refining establishments or industries. The principle of gold electrolysis is very straightforward or simple: Dore bar, which is a cast gold ingot at 95% plus purity is used as the anode. The cathode (s) for this electrochemical procedure are small sheets of 24 Karat (pure) gold sheeting. When current is applied

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  • ITM Series Introduction Hot Platinum

    The ITM Series of Induction Tilt Melters are ideal for melting and casting base and precious metals; such as silver, gold, copper, cast iron, nickel, steel, stainless steel and platinum group metals. HPT’s wide range of Induction Tilt Melters are suitable for small quantities from few kilograms up to 2 tons. The ITM Series can be configured for different types of crucibles such as graphite ...

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    Our refining process also includes the use of state of the art induction furnaces for incinerating and we also use the latest induction melters under inert atmosphere to melt metal. This also ensures homogenous and precise results. TWM Co proudly houses one of the largest centrifugal machines and crusher in our industry, giving a greater scope on our refining capabilities. Try something new ...

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    PL -1 PLATINUM AND PALLADIUM MELTING FURNACE. PL1 Induction Furnace is specially developed for melting gold and Platinum Group Metal (PGM) bullions.It melts 1 kg platinum in about 15 minutes, 1 kg 0,995 pure gold bullion in approximately 5 minutes.The maximum temperature level is 2300˚C.. The most efficient and fast way to melt precious metals is a induction furnace.

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    Premier Gold Refinery offers a full range of melting gold and silver services through Electric Induction Furnace. This induction furnace is safer than a tradition melting furnace. It delivers clean and an energy efficient melting capability through controlled processes thereby reduces production losses and decreases the risk of work injuries and fire.

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    20/01/2014  Induction Furnaces Precious Metal Refining 1. Induction Furnaces Precious Metal Refining 2. Melting Precious Metals Precious metal refining is hot work. Because of there high melting points, precious metals can be challenging to work with: • Gold melting point: 1948 °F • Silver melting point 1763 °F • Palladium melting point: 2831 °F • Platinum melting point: 3215 °F 3 ...

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    The Outotec® Fire Refining Process offers low operational and maintenance costs due to our state-of-the-art technology and process control. Through high refining efficiency and low energy consumption the process enables smaller environmental emissions and increased operational flexibility.

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    Mini 1-2Kg gold melting furnace is an desktop induction melting furnace. This is not a tilting furnace, you need to manually pouring when you are done. Designed with a single-phase power source and optimised to heat the metal to a max temperature of 1600 degree Celsius, the smelting furnace has gained reputable traction in small and medium-sized refining companies, gold recyclers, gold mining ...

  • Induction Melting Furnaces - ELECTROHEAT INDUCTION

    Induction furnaces use electromagnetic induction to heat and melt metal such as silver, gold, platinum, iron, steel, zinc, platinum, bronze, aluminum, copper, brass, and silicon for a variety of industrial purposes. These furnaces deliver clean, energy-efficient melting capabilities through controlled processes, and are capable of reducing production losses. Induction furnaces also reduce dust ...

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    Gold can be concentrated and recovered by applying different gold refining process methods and the final product has variable quality. In this way, it is necessary to have a better marketable product so that the incomes can be improved. Then, we have two smelt and cast the gold into bars called bullion or Dore. The name bullion is restricted to the precious metals, refined or unrefined, in ...

  • OVERVIEW OF PGM PROCESSING - Anglo American Platinum

    PLATINUM Disclaimer: This presentation has been prepared by Anglo American Platinum Limited (“Anglo ... Refining •PGMs •Gold Incorporating PGMs into various end applications Processing: c.10% of input from non-integrated miners Major PGM miners are integrated from mining to refining and therefore maintain considerable processing assets that produce both refined PGMs and by-products ...

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    Gold can be concentrated and recovered by applying different gold refining process methods and the final product has variable quality. In this way, it is necessary to have a better marketable product so that the incomes can be improved. Then, we have two smelt and cast the gold into bars called bullion or Dore. The name bullion is restricted to the precious metals, refined or unrefined, in ...

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    PLATINUM Disclaimer: This presentation has been prepared by Anglo American Platinum Limited (“Anglo ... Refining •PGMs •Gold Incorporating PGMs into various end applications Processing: c.10% of input from non-integrated miners Major PGM miners are integrated from mining to refining and therefore maintain considerable processing assets that produce both refined PGMs and by-products ...

  • Gold Refining – Siltech PMR Pty Ltd

    Our Foundry Equipment is capable of processing high grade concentrate with excellent recoveries via our various induction furnaces and our gas fired rotary furnaces. We have recovered metal from as low as 5% metal content. Hydro-metallurgical. Siltech designs, builds and operates specialised refining circuits for difficult concentrate matrices. Miller Process. Siltech has the ability to ...

  • Platinum melting Furnace-Reduce Costs and Increase

    PLATINUM MELTING FURNACE: CDOCAST’s platinum melting furnaces are specially developed for melting platinum and palladium melting , this furnace furnace comes witha quartz or zirconia crucible, with a melting temperature of up to 2000 degrees.Due to the use of medium frequency induction heating technology, the melting efficiency is very high, the melting time is completed within 3 minutes ...

  • Outotec Silver Refining Process - Outotec

    Silver anode slime containing valuable impurities such as gold and platinum-group metals (PGMs) is also formed during the electrolysis process. The slime is collected inside anode bags surrounding silver Doré anodes and can be further processed using the Outotec Gold Refining process for recovery of gold and PGMs. The non-dissolved anodes remaining after electrolysis are recycled for smelting ...

  • Induction furnace - Wikipedia

    An induction furnace is an electrical furnace in which the heat is applied by induction heating of metal. Induction furnace capacities range from less than one kilogram to one hundred tonnes, and are used to melt iron and steel, copper, aluminium, and precious metals.. The advantage of the induction furnace is a clean, energy-efficient and well-controllable melting process compared to most ...

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    Medium frequency induction furnace also can be used for precious metals melting, for Gold Silver melting, the clean and efficient melting systems used in processing precious and platinum group metals for refining, especially fix point casting furnace is best choice for precious metals melting, it can increase metal recovery and lower processing costs in each step of the cycle.

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    Italimpianti Orafi has been designing and manufacturing machines for the precious metals industry for over 45 years. Our qualified and professional staff of technicians monitor and control all the phases of the productive cycle, from design to production, test runs and after-sales assistance.

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  • Induction Furnaces Italimpianti Orafi

    Induction furnaces for melting of gold, silver, palladium, platinum, and alloys. Also used in plants for the production of ingots and grain.

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    Italimpianti Orafi has been designing and manufacturing machines for the precious metals industry for over 45 years. Our qualified and professional staff of technicians monitor and control all the phases of the productive cycle, from design to production, test runs and after-sales assistance.

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  • Refining of Gold at the Rand Refinery - SAIMM

    Refining of Gold at the Rand Refinery K.G. Fisher 10.1 Introduction Since 1921, all gold produced in South Africa has been refined at the Rand Refinery (Adamson, 1972). To give the reader a complete picture of gold refining in South Africa, the historical development and all operations of the refinery are described in detail in this chapter, although some activities cannot strictly be defined ...

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