Jewelery Scrap to %99.99 Purity Gold

As Proses Makina Company, we are now serving with our experience of more than 15 years, on the way we started with precious metal refining from jewelry waste. From machinery design to plant installation, we have processes based on gold refining, precious metal recovery and rare metal production.

Recycling and metal recovery facilities of electronic wastes, catalytic converters, spent catalysts, lithium-ion batteries are established by making designs in accordance with the desired capacity and characteristics. Likewise, by creating processes for the production of desired metals from the mining field, a facility is set up with appropriate equipment.

Jewelry scrap is more common in gold and silver refining than mining. Because the amount of gold in jewelry scrap is already high and it does not require enrichment operations. In addition, unused jewelry scrap is increasing due to cash-outs. The profit margin increases in parallel with the continuous increase in the gold price. When the amount of gold is the same, the economic value it provides is higher. Gold is produced from jewelery scrap with a purity of 99.99 by refining. 99.999 purity can be reached with gold electrolysis after refining. According to the process to be applied afterwards, gold or silver can be poured as granules or made bars with gold melting.

Process Your Material, Take The Gold Bar Dissolve Your Scrap, See Brightening Gold

Gold Refining provides No Loss during jewelry scrap process

Gold Refining

Gold Refining Process

Refining is a purification process. Gold refining of silver refining is the process of purifying gold and silver dore or jewelry scraps from mines by passing them through certain processes.

The gold in the solid is taken into solution using various chemicals and agents. Here, some of the impurities remaining in the solid part without dissolving are removed. The gold, which is taken into the solution and passed into the liquid, is precipitated again using chemicals. It goes into the solid phase.

Then, it is melted and poured into water or molds. Thus, it is formed into granules or molds. What is important here is the purity of the gold used in the first material used in gold refining. Gold refining steps may vary depending on the gold purity or gold alloy desired to be obtained.

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Gold Refining Equipment And Machines

Gold refining machinery and equipment is a very broad field. There are many types of machines. Although there are many varieties, there are not many options. That is, the function of each machine is different. Machines used in gold refining in general; titanium tank, sedimentation tank, condensing unit, filter press, neutralization unit, scrubber for cleaning waste gas, decanter centrifuge, induction furnace, grain production unit, fire assay, chemical brightening machine, bar making system, stamping machine, gold electrolysis.

Those are commonly encountered in machinery and equipment used in gold refining.

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Gold Sources

The widespread use of gold from the jewelery sector to the electronics and communication sector, from aviation to dentistry, from the health sector to many industries, and the fact that the gold used in these sectors will be reintroduced into production over time has led to the diversity of secondary sources that make up the raw materials for gold refining.

In jewelry, wastes containing gold are produced at almost every point of production. Cobs and runners used for feeding purposes in casting and lining scraps in the press can be given as examples of such wastes and these can be added to the charge for casting after cleaning the scrap and adjusting it according to the color, setting and pre-alloy used. Except those, used jewelery items are taken back, processed, and purified by money changers and jewelers. The cleanest and simplest precious metal wastes are coming from dentistry and jewelry.

Jewelery scraps, which constitute the largest source for recycling, can be classified as high- and low-quality scraps according to the amount of contamination of the composition. High-quality scrap, often containing more than 20% gold, can be directly recovered by returning it to production. Materials such as cut strip or casting runners, which are high quality scraps, can be used for feeding purposes in casting, not exceeding 50% of charge.

Recycling Gold

Recycling gold processing is one of the smartest initiatives. Gold is a naturally occurring precious metal that cannot be produced and therefore has only a limited amount. Regarding recent estimates, it shows only another 20 years sustain gold mining at current rates.

The reality is a little harder than seem like planet earth is so huge and gold will never run out. To be able to mine gold, it must be economical. It is getting harder and harder to profitably extract gold from mines. This is because in terms of gold mines all low hanging has been exhausted and newer area have much less gold per unit.

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How To Recycle Gold

There are more than one technique to recycle gold. Mostly common call is gold refining.  The refining technique to be applied in the recovery of gold from secondary sources depends on the source and gold content of these gold scraps. In addition, environmental, technological, and financial consequences should be considered when choosing the method to be used.

The Cupellation is an ancient method used to separate basic metals from gold and silver. It is also a quantitative analysis method used to determine the amount of precious metals such as gold and silver in ore or any alloy.

The Miller Process is a method in which gold is purified by removing basic metals and silver from the system as chlorides or by removing them from the system in the form of volatile chlorine compounds.

The main purpose in all techniques is to produce gold in its pure form by removing it from other impurities. It is dissolved in chemicals together with gold impurities, then precipitated in high purity and melted into the desired shape.

Scrap Gold Recycling

The materials called scrap gold are generally jewelry waste or electronic waste. Scrap gold recycling is the recovery of gold from these wastes by gold refining. It is easier to obtain high purity gold from jewelry scrap. Because it does not have a very complex structure and does not contain a wide variety of metals. When it is produced as a jeweler’s product, it has already undergone a refining process, has a purer gall, and is made into an alloy by adding certain proportions of metals.

However, the process is more challenging when recycling gold from electronic waste. Because the electronic waste structure is complex and it is almost impossible to separate gold from other impurities with a single process, refining. Of course, this also depends on the type of electronic waste and the amount and form of gold it contains. For example, ceramic processors contain very serious amounts of gold, and it is extremely easy to obtain gold with gold refining. Gold refining requires more than one pre-treatment, since the gold ratio in motherboards contains much less gold and has a more complex structure compared to ceramic processors.

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Gold Price

Gold is one of the most valuable mines in the world, also called a safe harbor. The use of gold as both a gift and an investment tool causes gold prices to change constantly. Gold has been worked in different ways in human hands over the years. While gold varieties with more workmanship are mostly used as gifts, gold varieties such as gram gold and bullion gold are used as investment tools.

Compared to other investment instruments, the biggest feature of gold is that it is less affected by crises. Economic crises in different countries directly affect the currency of those countries, but the gold market behaves more globally, making you likely to gain in the long run. This is why the interest in this bright yellow mineral is more.

The price of 1 ons (oz) gold for the end of July 2021 is about $ 1805. Looking at the price chart in general, the gold price is on a continuous increase.

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