high efficient how to remove gold from circuit boards

  • Scientists find a new way to recover GOLD from mobile

    Aug 31, 20160183;32;The method involves placing the circuit boards into mild acid to dissolve all the metal parts. An oily liquid which contains a chemical compound is then added, which only extracts the gold.

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  • How would one go about removing the gold, silver and

    Red colored metals = Copper, Gold, Palladium in electronic wastes, Ball and Milling of PCBs (Printed Circuit Boards) is recommended however, that depends on the circuit board. Ball and Milling stripped IC (Integrated Circuitry) chips and SMT (Surface Mounted Technologies) devices is best in efficient PM extraction.

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  • Gold Recovery 8 Steps (with Pictures) instructables

    Gold Recovery Wait dont throw those old electronics in the garbage, theres gold in them there things. How about putting it in your pockets instead of someone elses pocket? Laptops, phones, cameras, and the like are filled with gold plated circuit boards eve

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  • How to Remove Gold from Circuit Boards 12 Steps (with

    Dec 06, 20180183;32;Since gold requires stronger chemicals to be dissolved, the nitric acid will melt all the plastic and metal parts of the circuit board without harming the gold bits. Drain the nitric acid from the mixture. Use a filter to separate

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  • 2.3.2 Coating Removal, Solvent Method circuitrework

    Tools and Materials. Figure 2 Apply solvent with a foam swab to remove coating. Figure 3 Removal complete. Apply High Temperature Tape to outline the area where the coating needs to be removed. Dip the end of a foam swab in stripping solution and apply a small amount to the coating to be removed.

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  • How Are Precious Metals Recovered from Electronic Scrap

    Aug 14, 20140183;32;How Are Precious Metals Recovered from Electronic Scrap? August 14, 2014 / Barry Lenson If you have old cellphones, computers, or other electronic devices, you probably have some questions about how you can make the most money by recycling them.

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  • Recycling gold from scrap PC boards Finishing

    Recycling gold from scrap PC boards 2003. I am electrochemical engineer, with years of electroplating experience. A friend of mine wants to recycle gold from PC boards contacts. He has some 100 kg, or so. I would like to help him and set up the process for him.

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  • Using acid and fire to get gold out of circuit boards

    Aug 26, 20130183;32;Using acid and fire to get gold out of circuit boards. BBC science show Bang Goes the Theory goes all out to extract gold from old circuit boards. Host Jem Stansfield uses acid and high

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  • How Much Gold Can Be Recycled from Scrap Electronic Pins

    The more CPUs you have, the more pins you have . . . and the more gold you have too. Removing the Gold Plated Pins from Your CPUs. Heres a video that shows a hobbyist using a heat gun to remove gold pins from CPUs. Hes using the same kind of heat gun that is used to strip paint the kind you can buy at a hardware store.

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  • How to Extract Gold From Electronics 11 Steps (with Pictures)

    How to Extract Gold From Electronics In this Instructable, I will show you how to extract gold from computers using products most people have lying around in their homes. The way I extract the gold is relatively straight forward and pretty easy, but the chemicals used are very danger

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  • How to Refine Gold From Electronic Scrap Sapling

    How to Refine Gold From Electronic Scrap. By Cut all of the gold plated components off the circuit boards. Do not throw the boards away though, because there is still silver and other precious metals you may wish to reclaim later. You will be using one chemical process to remove the gold plating and another chemical process to refine

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  • How to remove gold from circuit board Gold Recycling. Your

    Jun 05, 20160183;32;Getting gold from integrated circuit Gold mining e waste Electronic scrap old. gold wire bonds from the. gold from computer parts. Electronic scrap old recycle Gold. Gold Recycle CPU Computer from

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  • high efficient how to remove gold from circuit boards

    Check the boards to make sure all the gold has been removed and dissolved into the aqua . several times, to dissolve the metal off additional boards until it is no longer effective. . Test with aqua ammonia to ensure high purity of your gold. Get Price How to remove gold from circuit board Gold Recycling. Your circuit . Jun 4, 2016 .

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  • How to Remove Gold from Electronic Circuit Contacts

    How to Remove Gold from Electronic Circuit Contacts Electronic circuits contain gold which can be removed, although its not advisable. Any old circuit board contains a little bit of gold, which can be removed by [read more]

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  • How Much Gold Can Be Recycled from Scrap Electronic Pins

    The more CPUs you have, the more pins you have . . . and the more gold you have too. Removing the Gold Plated Pins from Your CPUs. Heres a video that shows a hobbyist using a heat gun to remove gold pins from CPUs. Hes using the same kind of heat gun that is used to strip paint the kind you can buy at a hardware store.

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  • Hand Scraping Gold from Circuit boards. Gold Refining

    Jun 19, 20120183;32;up for learning. I have read many forums and watched many video's and countless of times it has been mentioned that scraping off the gold from Circuit Boards is one of the more efficient but time consuming was to recover the gold. I am trying to gather as much gold as I can before undergoing the big refining shabang.

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  • A better way to mine gold from old electronics New Atlas

    Gold is often found on printed circuit boards, particularly under keyboards where its durability is an advantage. According to the UE researchers, about 300 tonnes of the metal are used in

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  • How to Remove Gold Finish to Sell Essortment

    Step 1. Gather the gold plated scrap that you want to remove the gold finish from. Pins on circuit boards, central processing units (CPUs) and old gold plated jewelry are excellent sources of raw material. Cut away as much non gold material, such as plastic, as possible to help speed up the process of recovering the gold. Step 2.

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  • How to Replace Parts on a Circuit Board Our Pastimes

    On the other side of the circuit board, there are solder points that connect the parts to the circuit. Heat your soldering iron to operational temperature. Place the circuit board, with the solder side up, on a flat and well lit surface. Press the tip of your soldering iron against the solder point that is supporting the part you want to remove.

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  • How to Remove Gold from Circuit Boards 187; VripMaster

    Gold is used on electronic circuit boards because of its excellent conductive properties and because it doesnt corrode or rust over time. If you still have any of those circuit boards lying around, have a bit of fun and mine them for gold. Removing Gold Using Nitric Acid . Get protective gear. Be sure to wear a face mask, safety glasses, and

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  • How To Identify 'High Yield' Scrap Gold Circuit Boards

    Jun 10, 20170183;32;In today's video, I show you how to quickly identify 'high yield' gold boards in scrap electronics, and give you some advice to selling them

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  • Is Extracting Gold from Printed Circuit Boards Possible

    Extracting gold from a printed circuit board is definitely possible but the amount of the gold in the PCB has to be evaluated first. The process involves a number of steps which have to be carried out carefully in order to get the desired results. There are some instruments and acids involved in the process. Necessary precautions must be taken before starting the procedure.

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  • Gold Recovery 8 Steps (with Pictures) instructables

    Gold Recovery Wait dont throw those old electronics in the garbage, theres gold in them there things. How about putting it in your pockets instead of someone elses pocket? Laptops, phones, cameras, and the like are filled with gold plated circuit boards eve

    Live Chat
  • Removing gold from electronics, page 3 Finishing

    Removing gold from electronics, page 3. Home FAQs Suggested Books Help Wanteds Advertise on this site FORUM current topics. I've got about 15 lbs of gold plated circuit boards, Does any one have the specifics on how to glean the gold from them. The most efficient method to get gold from the gold flakes metal is to use Mercury / Sodium

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  • How to Sell Circuit Boards for Scrap It Still Works

    You can sell the circuit boards in your computer and other electronic equipment to electronic recyclers or metal refineries. Printed circuit boards contain gold and copper. Recyclers can reuse some elements of the circuit board directly or melt down the entire board

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  • How to Remove Gold from Electronic Circuit Contacts

    How to Remove Gold from Electronic Circuit Contacts Electronic circuits contain gold which can be removed, although its not advisable. Any old circuit board contains a little bit of gold, which can be removed by [read more]

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  • How to Remove Gold From Circuit Boards Engineering

    2 Dip the edges of the circuit boards in this solution and allow to stand for six to eight hours. Remove the boards from the solution and rinse. 3 Filter the solution and collect the flakes of gold that have detached from the boards. StripFree Method 4 Cut a square piece of stainless steel screen smaller than the inside of the plastic/glass pan.

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  • How to remove gold from circuit boards without chemicals

    The technology, which treats circuit boards, can extract act 30 kilograms of gold from more than 100 tons of circuit boards. It is worth more than 3 million yuan. Not only that, the refined slag can be mixed into sand and stone to make slag brick in a certain proportion, and become high

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  • Hand Scraping Gold from Circuit boards. Gold Refining

    Jun 19, 20120183;32;up for learning. I have read many forums and watched many video's and countless of times it has been mentioned that scraping off the gold from Circuit Boards is one of the more efficient but time consuming was to recover the gold. I am trying to gather as much gold as I can before undergoing the big refining shabang.

    Live Chat
  • How do you heat the gold from computer printed circuit boards

    No, you do not 'grind' up the circuit boards containing the gold. You remove the 'ears' and other parts that are plated with gold. You have a few options as to the heating of the gold, which will

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  • Recovery of high purity precious metals from printed

    May 30, 20090183;32;Waste printed circuit boards contain a lot of valuable materials such as gold, silver, and palladium. In this research, we focused on the recovery of the precious metals with high purity. Aqua regia was used as a leachant and the ratio between metals and leachant was fixed at 1/20 (g/ml).

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  • What is a safe, effective way to remove the gold from old

    Dec 20, 20090183;32;What is a safe, effective way to remove the gold from old circuit boards? I've heard that old computer boards and cpus and some electronic circuit boards contain small amounts of gold in them that can be collected.

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  • How to Sell Circuit Boards for Scrap It Still Works

    You can sell the circuit boards in your computer and other electronic equipment to electronic recyclers or metal refineries. Printed circuit boards contain gold and copper. Recyclers can reuse some elements of the circuit board directly or melt down the entire board to

    Live Chat
  • How to Remove Gold from Circuit Boards 187; VripMaster

    Gold is used on electronic circuit boards because of its excellent conductive properties and because it doesnt corrode or rust over time. If you still have any of those circuit boards lying around, have a bit of fun and mine them for gold. Removing Gold Using Nitric Acid . Get protective gear. Be sure to wear a face mask, safety glasses, and

    Live Chat
  • high efficient how to remove gold from circuit boards

    Check the boards to make sure all the gold has been removed and dissolved into the aqua . several times, to dissolve the metal off additional boards until it is no longer effective. . Test with aqua ammonia to ensure high purity of your gold. Get Price How to remove gold from circuit board Gold Recycling. Your circuit . Jun 4, 2016 .

    Live Chat
  • Leaching of gold and silver from printed circuit board of

    Currently, the most commonly employed method for the extraction of gold and silver in ores, is cyanidation (Syed, 2006 and Chu et al, 2003). Therefore, this process could be used for the extraction of metal in printed circuit boards (Kasper et al, 2012 and 214;ncel et al, 2005).

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  • Treat Sea Remove Gold From Circuit Boards

    Feb 24, 20140183;32;Remove Gold From Circuit Boards. There are four main methods of removing gold from circuit boards, each with its pros and cons. The most effective, and most time consuming, method is scraping with a device like a paint scraper. The amount of gold collected using this method is greater when compared to other methods.

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  • How to Extract the Gold From Computer Circuit Boards Our

    The gold flakes will remain on the filter. Fill the plastic tray with water to half of its depth, place the remaining circuit board scrap in it and rinse. Pour this water through the filter to extract any remaining gold flakes. Flush water over the gold flakes to wash them.

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