Recover Gold from Electronic Scrap/E-waste Recycling for Gold/Recover Gold from Rams/Gold Recovery from Computer Parts

Gold recovery from electronic scrap is a very lucrative business. But you must find the right source to buy the material. Because there are two things to consider when you start this business: Number one, you should choose the right methods to recover all precious metals from electronic waste (e-waste). Number two: you should also be good at purchasing the material. Being good at only one thing won’t help.

When we talk about electronic scrap, it is not one big thing. It is a mixture of either so many electronic circuit boards or a variety of whole devices. The best thing about it, according to my experience, is that you should not process everything. You should be careful if you want to make more money in a short time. When we talk about precious metal recovery from electronic scrap, it is not every component of the scrap that yields precious metals. Only specific components require the use of precious metals. For example, chips, processors, golden fingers, gold-plated connectors, some special diodes and transistors, monolithic ceramic capacitors and relays, etc.

If you happen to buy a mixed lot of electronic scrap, you should first segregate the items. Now, one by one, take away the above-mentioned precious metal-bearing components. There are customers for almost everything that you get from e-waste. So, you can sell the rest of the items (non-gold-bearing ones) to the e-waste recyclers.

There are tests that allow you to determine the presence of various precious metals. For example, if you think that a particular component is silver-plated,. You can first put a drop of nitric acid on it, followed by a drop of hydrochloric acid. If there is silver, either in the form of alloy or polish, there will be a curd-like formation on the surface of the metal. For gold, you can put a drop of nitric acid on a component or a piece of metal that looks like gold. Gold does not react with nitric acid. It stays as it is. If it is copper, brass, etc., nitric acid will react and dissolve the metal. In the same way, there are methods for testing palladium and platinum as well.

You can remove gold polish from the components through an AP process. CPU's and processors are best treated for gold recovery with aqua regia. Gold can be removed from the pins through sulfuric cells, too.

In my next article, we will discuss some precious metal recovery methods in detail.

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CPU-Processor Gold Recovery/Gold Extraction from CPUs/ Recover Gold from Processors

There are numerous methods for recovering CPU gold. Some people crush the entire CPU into powder and then separate the metals from the powder using density separation. However, in my view, this method is not optimal as it results in the loss of precious metals. CPUs contain gold, palladium, silver, etc. People normally think that you get only gold from the processors. It is not true. If you look at them closely, you will see MLCCs on them. MLCCs (Monolithic Ceramic Capacitors) contain palladium, silver, and gold.

 So, the best gold recovery method for CPUs and processors is to recover gold through aqua regia. You should first remove MLCCs from the processors and store these small capacitors safely for silver, gold, and palladium recovery in the future when they are in enough quantity. Now break the processors into smaller pieces with a hammer. Prepare the aqua regia solution. The aqua regia solution is one part nitric acid and three parts hydrochloric acid. You should use a heat-resistant glass pot to do so. First, put the broken processors in the pot, and then pour some aqua regia into it. The aqua regia solution will start dissolving pins, including gold. Do it in an open space or a properly ventilated room, and use safety gear.

 Separate the solution from the solids after the reaction has stopped completely. Now you need to neutralise this gold-bearing aqua regia solution. You can also use urea for this. Add some urea to the solution, and there will be a lot of fizzing. There will be lots of foam. After some time, the foam will disappear. Again, add some more urea to the solution. The foam will form on the surface and subside quickly. Keep repeating it till the foam starts taking longer to subside. If foams take too long to subside, stop adding urea to the solution. Now your solution is neutralized. Filter this solution and recover your gold with sodium metabisulfite (SMB).

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How to Recover Gold from Chips-Easy Process/Gold Recovery from Chips/Gold Extraction Method from Chips

How to Recover Gold from Chips & other Computer parts Scrap easily and q...

How to Recover Silver from Silver Nitrate Solution?

When silver reacts with nitric acid (HNO3), silver nitrate is formed. Silver metal can be easily recovered from silver nitrate (AgNo3). First, filter the silver nitrate solution so that all the unwanted material is removed from it and we get a better quality of silver. Take a plastic pot and fill it with all the silver nitrate. Now start adding HCL (hydrochloric acid) to it in small increments. The moment you add HCL to silver nitrate solution, silver begins to separate in the form of silver chloride. Keep adding HCL to the solution till there is no more silver separating from the silver nitrate solution.

 Silver chloride (AgCl) is a curd-like silver compound in appearance. It precipitates immediately. Give it around half an hour to settle to the bottom completely. Heavier particles settle immediately, and lighter ones take some time to go to the bottom. After that, tilt the pot to separate the liquid from the silver chloride. At least twice, wash the silver chloride with plain water. Now dissolve some glucose in the plain water and keep it in a plastic can. Add some quantity of this glucose water to silver chloride. And stir around the silver chloride with a glass rod. Silver chloride will start converting to metallic silver. Keep doing it slowly until all the silver chloride has changed into silver. Now put this silver on a filter paper or filter cloth so that all the water should filter out of it. You can leave it for a night. By morning, there will be no or little moisture left in the silver. You can dry it on a lighter flame in a glass pot and melt it.

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How to Recover Gold from GPC Solution Tutorial/Gold Recovery Method from GPC Solution/Gold Extraction from GPC Solution

Gold recovery from GPC (Gold Potassium Cyanide) solutions is a very profitable business. I am going to give you a very easy process for gold recovery from a potassium cyanide solution. Zinc dust can easily recover gold from this solution. It is a metal displacement theory.

Heat the solution to around 60 degrees Celsius. You may either use a PVC, plastic, or glass container for it. You can use a glass heater to heat the solution. Add five to ten grammes of (325 mesh) zinc dust per ter. Stir the solution with a glass rod for about five minutes, at least five times, with a gap of one hour between each time. Leave the solution for a night. But make sure the solution remains hot throughout the night. Zinc dust will displace all the gold from the solution by morning. Pour out all the liquid into another container, leaving behind the gold dust.

This gold dust has some zinc impurities in it. So, it needs to be refined. On a lighter flame, you treat it with dilute sulfuric or nitric acid for five to ten minutes. This treatment will produce some smoke. So, use a properly ventilated place for it. During the reaction, bubbles come to the surface, break, and give out smoke of a green color. It is an indication of the zinc dust being dissolved in the acid. The bubbles and green smoke completely cease when the gold dust undergoes refinement. Wash this refined gold dust with water three to four times. Dry it and melt it into a gold button.

 Note: I have uploaded a video regarding it on my YouTube channel: https://www.youtube.com/user/uroojmetals.

The comments and emails that I receive from people suggest that I am talking about producing a GPC (gold potassium cyanide) solution for gold recovery. It is not that. GPC is used in gold plating on different materials, such as artificial jewellery, water taps, door handles, and many more things. Some companies don’t recover gold from the spent-up cyanide solutions. They prefer to sell it to outsiders. Therefore, this video is for those who want to make money through GPC by purchasing it from the gold plating plants. You can really make a lot of money by recovering gold from this exhausted GPC solution. Please use safety gear if you do this process.

 If you want to discuss some other things with me regarding it, you may send us an email through oue contact form on our blog.

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How to buy BGA Chips & make more money from them?

You can make a lot of money recovering gold from BGA chips. They are very easy to recover gold from. But you must be very careful about purchasing this material. Just because the BGA chips from Chinese computer mother boards have as little as one gramme of gold per kilo or even less. I remember, some ten to fifteen years ago, that BGA chips had a yield of 7 grammes of gold per kilo. But the important thing about that was that they were all made by Intel. The Intel mother boards from which they were removed were heavier in weight than the non-Intel computer mother boards. BGA chips from AMD computer mother boards also had a good yield of gold. With the passage of time, more and more companies started manufacturing mother boards, and the competition became fierce. The price of gold also soared. As a result, the gold content of BGA chips decreased.

It is not that we get BGA chips only from computer motherboards; we get them from many other sources as well. We get BGA chips from hard drive logic cards, electronic devices used in telephone exchanges, mobile towers, etc.

If you want to recover gold from BGA chips, make sure you do a sample first if it is a mixed lot of different makes. Buy it in small quantities. Try to check the percentage of Intel chips in that lot. Intel chips will yield 7 grammemes of gold per kilo, and the rest will give you one gramme per kilo. So, assess the price of the lot according to the ratio of the chips. You can even buy hard drives in large quantities and dismantle them. As mentioned above, chips mounted on the logic card in hard drives have a higher gold value. You can recover gold from drives and sell the rest of the material to a metal trader. And this way, you can make more money from chips. Another way to make more money from chips is to always buy the old stuff manufactured in 2002 or even before. We still get old stuff, though not very much.

By following the above-mentioned tips, you can certainly make more money from BGA chips.

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Non aqua regia method for gold recovery from chips instantly/Instant Gold Recovery/Quick Gold Recovery Method

A lot of people around the world want quick and easy gold recovery from gold-coated or gold-polished computer part scrap or other electronic waste. Some people even want to recover gold from scrap watches and their chains. Some people want to recover gold from artificial jewelry. So, guys, we've prepared a highly effective gold-removing solution. It recovers the gold from gold-plated items instantly. We've also posted a YouTube video about it. The URL is: https://youtu.be/smwPFjvR0RA

This solution is very economical. A one-time prepared solution works for five batches. 

If you remove the material from this solution quickly, it doesn't attack copper. However, if the gold-coated copper material remains in the solution for a longer period of time, it attacks copper slightly.

Some people use aqua regia to extract gold. But you can’t recover gold through aqua regia from so many materials. For example, if you try to recover gold from gold-plated stainless steel, aluminium, copper, etc. using royal water, you will have to face great difficulty. Aqua regia will also dissolve the above-mentioned metals. It will increase your processing costs and make it extremely difficult to precipitate gold from the AR solution. So, we carried out intensive research and prepared an instant gold recovery solution. All of you guys were looking for a solution that should dissolve the gold quickly and not attack the substrates. 

There you go!

Note: In my YouTube video, people want to know the composition of the solution that I used in gold recovery from chips. https://youtu.be/smwPFjvR0RA   Some people have sent me comments about their idea that I used potassium cyanide in my solution. This is not correct. These days, there are many new combinations used for gold recovery from gold-coated material. Even some gold miners use these chemicals. Some Chinese companies also sell products that can easily recover gold from ores, among other things. So, whatever opinions my friends expressed on my channels about the composition of the solution are not correct. It is the result of many years of hard work. This video is edited. To learn more about it, you can send us an email through our blog's contact form.
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Gold recovery from Computer Parts/How to Recover gold from E-waste/E-waste Recycling

How to Recover Silver from Electrical Silver Contacts?/Silver Recovery/Silver Recovery Business/How to Separate Silver from Copper

Silver contacts are either made of pure silver and soldered on copper strips, or copper contacts are coated with a thick layer of silver. In both conditions, silver can be recovered with nitric acid (HNO3).

If the silver contacts are soldered on copper strips, you can cut the copper strips with a cutter to separate the silver contacts from them. Now place all of the silver contact points in a stainless steel pot. Take one part nitric acid (68%), one part water, and mix them together. Now pour this small amount of dilute nitric acid onto the silver points in the stainless steel pot. The copper and silver will react with nitric acid and start dissolving into it. This reaction produces some smoke. So, either you should do it in the open or in a room with an exhaust fan, so that the exhaust fan should send all the smoke out into the air. Keep pouring dilute nitric acid into the pot till all the metals dissolve into the solution. Now there are two metals in the solution in the form of nitrates, that is, silver nitrate and copper nitrate. First, we will recover silver from this solution. To do that, take HCL (hydrochloric acid) at 35% purity. Mix HCL with silver nitrate solution in small increments. When silver chloride stops separating from the solution, stop adding HCL. Decant the solution when silver chloride (AgCl) has settled completely to the bottom.

 Heat up some water and add it to the silver chloride. You can use a plastic pot to do so. Take round iron pieces of around two inches in diameter and half an inch thickness. Put these iron rings onto silver chloride in a plastic container. With a wooden rod, slowly move around these iron rings for a while. Silver chloride will start changing colour and converting into pure silver. Once there is no more silver chloride in the container, stop stirring the rings. Now you have pure silver dust. Take out the rings; wash the silver dust with plain water three times. Dry this dust and melt it into a solid piece of silver.

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