Extract_gold - 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 dangerou…

 
This was the first commercial method used for gold extraction. Place the ore into the mortar and grind it to the size of sand grains. Put the ore grains into a plastic bowl. Add the 35-percent hydrochloric acid to the sodium hypochlorite bleach into a flask or beaker, in a two-to-one ratio of acid to bleach. Ensure that the liquid mixture is at .... Rabies t lagomorph

Extracting gold from everything, circuit boards, CPU/IC chips, cell phones, satellite TV equipment, junk jewelry, anything that contains gold. You'll probably start out using mason jars and learn the hard way that they crack and shatter under certain conditions. Lab glass beakers are the best.Gold is a precious, conductive, and pliable metal that retains a stable value better than many commodities. Its chemical properties make it useful for the manufacture of computers parts and electronics. Some people find it profitable to attempt to extract the gold from these scraps, then refine and sell it.Jan 9, 2023 · Centrifuges operate in cycles that can be preprogrammed or determined manually depending on the equipment and the material processed. After a cycle is completed, the miner can then extract gold from the ridges of the centrifuge vessel. For small scale centrifuges, cycles usually last around 0.5-2 hours. Oct 13, 2021 · The wait for a scalable non-toxic alternative may now be over as a research team from Aalto University in Finland has successfully replaced cyanide in a key part of gold extraction from ore. The results are published in Chemical Engineering. Traditionally, once gold ore is mined from the ground, it’s crushed to a powder and passed through a ... Aug 22, 2022 · Graphene is the key to a new environmentally friendly method to extract gold from electronic waste . Depositphotos. 2 / 2. The new method could allow for gold in electronics to be recycled, rather ... 2-3. The table compares different methods for extracting gold from electronics without the use of chemicals. The methods include gravity separation, mechanical agitation, electrostatic separation, plasma technology, and bioleaching. The table presents the gold recovery rate, cost, and time required for each method.Apr 24, 2017 · This was the first commercial method used for gold extraction. Place the ore into the mortar and grind it to the size of sand grains. Put the ore grains into a plastic bowl. Add the 35-percent hydrochloric acid to the sodium hypochlorite bleach into a flask or beaker, in a two-to-one ratio of acid to bleach. Ensure that the liquid mixture is at ... 1. Wait. After the neutron burst, the reaction that produces gold has a half-life of 64.14 hours. If you wait this long, half of the Hg-197 will have become gold. Proton plus Hg-200 is one unfavorable (due to high positive nuclei charge and repulsion charge), yet with a possible alternate pathway.How to Separate Gold from Pyrite .Pyrite crystals can contain small amounts of real gold, although it is very difficult to extract. The gold hidden within py...We used mercury to actually extract the gold from the powdered rock. Gold, like most minerals, can be 'dissolved' in mercury to create what's called an amalgam. An amalgam is a physical mixture of ... Recovering gold from junk electronics, also called urban mining, may be profitable if you can amass large volumes of electronic waste (e-waste), particularly computer parts. It may not be worth the ordeal to extract gold from a small pile of junk hardware. It’s best to find good sources of free e-waste for maximum profits.Feb 16, 2022 · The thiourea method for gold extraction is a new low-toxic gold extraction process which is improving day by day. The thiourea acid solution dissolves gold and silver at a high speed, low toxicity ... Nov 19, 2009 · While in the fine paper filter, give the mud on last rinse, this time with distilled water until mud and filter is clean. 15. Take filter with clean gold mud and gently squeeze of any excess water and place filer with mud into crucible for melting. 16. Once melted, the gold will again take on the appearance of metal. Extracting gold from seawater is impractical. Gold was first detected in seawater in 1872 by the British chemist S. Sonstadt, and ever since, a number of people have promoted the idea of extracting the precious metal from the oceans. One of the most notable was the German chemist Fritz Haber, co-inventor of the Haber-Bosch process, who spent a portion of his career attempting to devise aDRD Gold, one of the first South African companies to abandon traditional mining to focus on extracting gold from tailings. New technology allows it to recover up to 40% of the gold left in particle form in tailings. DRD Gold extracted 33,600 ounces of gold, worth nearly US$40 million, in the last quarter of 2013.For gold extraction the strength of cyanide solution ranges from 0.01 to 0.05%. Lime is added to the process in order to have a pH near to 10-11. The different minerals foreign substances can affect the cyanidation process in a number of different ways.1. Wait. After the neutron burst, the reaction that produces gold has a half-life of 64.14 hours. If you wait this long, half of the Hg-197 will have become gold. Proton plus Hg-200 is one unfavorable (due to high positive nuclei charge and repulsion charge), yet with a possible alternate pathway.Apr 10, 2019 · R-OH+Au (CN)2-═R-Au (CN)2+OH-. Gold extraction process flow. (1) Adsorption: When the gold-containing cyanide solution passes through the exchange resin column, an ion exchange reaction occurs, and gold is adsorbed on the resin. (2) Desorption: Desorbing the gold on the resin into the solution with a desorbent. This was the first commercial method used for gold extraction. Place the ore into the mortar and grind it to the size of sand grains. Put the ore grains into a plastic bowl. Add the 35-percent hydrochloric acid to the sodium hypochlorite bleach into a flask or beaker, in a two-to-one ratio of acid to bleach. Ensure that the liquid mixture is at ...Gold is a precious, conductive, and pliable metal that retains a stable value better than many commodities. Its chemical properties make it useful for the manufacture of computers parts and electronics. Some people find it profitable to attempt to extract the gold from these scraps, then refine and sell it.May 22, 2018 · Load the solid gold ore into your crucible then load the furnace with charcoal. Light the charcoal and let it ash over. Set the crucible directly on the charcoal. Load more charcoal around the crucible. Turn the hair dryer on low to force air into the chamber below the charcoal. If the temperature fails to get high enough to melt your ore, turn ... Recovering gold from junk electronics, also called urban mining, may be profitable if you can amass large volumes of electronic waste (e-waste), particularly computer parts. It may not be worth the ordeal to extract gold from a small pile of junk hardware. It’s best to find good sources of free e-waste for maximum profits.Apr 28, 2023 · However, extracting gold from these devices can be challenging without the use of chemicals. In addition, gold has physical and chemical properties that make it difficult to separate from other metals and non-metallic materials. To extract gold without chemicals, specific materials, and equipment are required. Jul 29, 2022 · Step 9- Gold Extraction. Extract the gold foils stuck on the coffee filter, then add some water at the top with the filter turned inside out over a clean cup– this will push the gold of the filter into the cup. Allow the gold to settle at the bottom of the cup, then get as much water out as possible. Gold, the precious metal that built and destroyed empires, was the focus of millions of investors for years. Two years ago, gold prices peaked at around $2,000 per ounce. This ongoing interest in gold not only motivated ancient kings to start wars of conquest but also inspired a team of scientists to search for innovative methods of extracting ...Place the crucible on a fireproof surface. 3. Aim an acetylene torch at the gold. Aim the flame at the gold until the gold is completely melted. 4. Pick up the crucible using crucible tongs. 5. Separate the gold into small pieces and allow them to harden. This is called “making shot.”.Some other sources estimate that your average computer contains about 1/5th of a gram, or about $12 worth, of gold in them. On the other hand, laptops typically contain about 1/10th of a gram of ...Gold is generally found in two types of deposits: lode (vein) or placer deposits; the mining technique used to extract the gold depends upon the type of deposit. Once extracted, the gold is refined with one of four main processes: floatation, amalgamation, cyanidation, or carbon-in-pulp.Gold is widely distributed throughout the world. Tiny quantities occur in most rocks and soils. Usually, however, the amount of gold is so minute that the cost of extracting it would exceed its value. Where gold occurs in higher concentrations, the deposits are of two basic types—veins, or lodes, of gold-bearing ore, and placer deposits. Oct 21, 2015 · Using a rubber spatula, scrape the gold bearing mercury from the copper gold pan into a glass jar or beaker. Wet a ball of virgin cotton and squeeze out the excess water. Place it into the bottom of an oral syringe and pour in the amalgam ball. Replace the plunger and holding the end of the syringe over a container, press the plunger to extract ... Gold extraction is the extraction of gold from dilute ores using a combination of chemical processes. Gold mining produces about 3600 tons annually, and another 300 tons is produced from recycling. Since the 20th century, gold has been principally extracted in a cyanide process by leaching the ore with cyanide solution.Apr 28, 2023 · However, extracting gold from these devices can be challenging without the use of chemicals. In addition, gold has physical and chemical properties that make it difficult to separate from other metals and non-metallic materials. To extract gold without chemicals, specific materials, and equipment are required. Using your hammer, smash the specimen into chunks ⅛” to ¼” across. Pour the smashed rock and dust through the funnel into the capped pipe. Place the capped pipe on the ground or a workbench. Avoid concrete as the base, it may crack. Repeatedly smash the piece of rod downwards to crush the rock into powder.May 29, 2019 · Beaker Mugs: https://nilered.tv/beaker-mug-----Follow-up video on NileBlue (my second channel): https://youtu.be/NuYDQt... To highlight the improvement Foley's solution presents, consider that it costs $1,520 to extract one kilogram of gold using aqua regia and results in 5,000 litres of waste.May 21, 2020 · The lab chemists guided me through an extraction process called hydrometallurgy, which uses acids to extract the gold and other metals into a liquid solution. By adding different chemicals, you ... Step 9- Gold Extraction. Extract the gold foils stuck on the coffee filter, then add some water at the top with the filter turned inside out over a clean cup– this will push the gold of the filter into the cup. Allow the gold to settle at the bottom of the cup, then get as much water out as possible.Unfortunately, the concentration lies on the order of parts per trillion, making it extremely difficult to get. Based on today's spot price of gold at $ 42.51 USD per gram, that amount of gold ...Oct 13, 2021 · The wait for a scalable non-toxic alternative may now be over as a research team from Aalto University in Finland has successfully replaced cyanide in a key part of gold extraction from ore. The results are published in Chemical Engineering. Traditionally, once gold ore is mined from the ground, it’s crushed to a powder and passed through a ... Mar 14, 2023 · How to Separate Gold from Pyrite .Pyrite crystals can contain small amounts of real gold, although it is very difficult to extract. The gold hidden within py... Hot bath the black sand, and give it a nice stir. 2. Crushing the Black Sand. Sometimes one black sand particle will merge with several other grains of black sand, and capture some gold in the process. If this has happened to enough extent, you might decide to crush it to extract the gold. Sep 15, 2017 · Unfortunately, the concentration lies on the order of parts per trillion, making it extremely difficult to get. Based on today's spot price of gold at $ 42.51 USD per gram, that amount of gold ... Sep 20, 2020 · Some other sources estimate that your average computer contains about 1/5th of a gram, or about $12 worth, of gold in them. On the other hand, laptops typically contain about 1/10th of a gram of ... Nov 21, 2018 · Gold amalgam is formed when the gold particles are wetted by mercury and diffused inside. And then extract the remaining mercury from it and send the obtained solid amalgam to the distillator ... Gold extraction is the extraction of gold from dilute ores using a combination of chemical processes. Gold mining produces about 3600 tons annually, and another 300 tons is produced from recycling. Since the 20th century, gold has been principally extracted in a cyanide process by leaching the ore with cyanide solution. 1. Wait. After the neutron burst, the reaction that produces gold has a half-life of 64.14 hours. If you wait this long, half of the Hg-197 will have become gold. Proton plus Hg-200 is one unfavorable (due to high positive nuclei charge and repulsion charge), yet with a possible alternate pathway.Aug 4, 2017 · Gold is found in numerous places on a motherboard: IDE connectors, PCI Express slot, PCI, AGP, ISA, and other ports, jumper pins, the processor socket, and DIMM (SIMM on older motherboards) slots ... Electronics are chock-full of gold, but getting it out is so difficult that most of it goes to waste.A New Zealand startup has found a way to extract gold from old circuit boards using inexpensive chemicals and microbes that absorb precious metals. The founders hope it will reinvent how the world deals with e-waste. See more!I'm thinking that if you're getting 100- or finer gold, don't go above 1/2 inch down from the top. Coarser material can have more material put in the bowl. 100-, only about a rounded tablespoon full. Hope this all helps. Google the blue bowl and you'll probably find a vendor with the full instructions online.Procedure number 1: using nitric acid. Break the circuit board into small pieces. Place the smashed circuit board in the glass container. Pour nitric acid into the glass container over the circuit boards. Stir the mixture with the glass or metal rod until the contents become a uniform fluid. Once the gold has separated from the plates — it ...The thiourea method for gold extraction is a new low-toxic gold extraction process which is improving day by day. The thiourea acid solution dissolves gold and silver at a high speed, low toxicity ...Gold is widely distributed throughout the world. Tiny quantities occur in most rocks and soils. Usually, however, the amount of gold is so minute that the cost of extracting it would exceed its value. Where gold occurs in higher concentrations, the deposits are of two basic types—veins, or lodes, of gold-bearing ore, and placer deposits.Oct 1, 2021 · Called electrodeposition-redox replacement (EDRR), the new process combines the best of two common methods for extracting leached gold: electrolysis, which uses electric currents to reduce gold or ... Gold, precious forever but especially lately, is a tricky metal. Bound up in consumer electronics, jewelry and the ores that it comes from, gold is difficult to extract, and most modern processes ...Unfortunately, the concentration lies on the order of parts per trillion, making it extremely difficult to get. Based on today's spot price of gold at $ 42.51 USD per gram, that amount of gold ...By Travis Thornton May 31, 2022. A process called “Cyanidation”, or cyanide leaching, has been the dominant gold extraction technology since the 1970s. In this process sodium cyanide, in a dilute solution of ranging from 100 ppm to 500 ppm or 0.01% to 0.05% cyanide, is used to selectively dissolve gold from ore.DRD Gold, one of the first South African companies to abandon traditional mining to focus on extracting gold from tailings. New technology allows it to recover up to 40% of the gold left in particle form in tailings. DRD Gold extracted 33,600 ounces of gold, worth nearly US$40 million, in the last quarter of 2013.Mar 13, 2018 · Reactions. Two separate reactions take place in the gold-dissolving process. The nitric acid acts as an oxidizing agent, with three molecules of the acid each donating a proton to gold to give it a positive charge of +3. Concurrently, chloride ions resulting from the separation of HCl into its components combine with the newly oxidized gold to ... Extracting the gold. Atom probe tomography uses electrical pulses to peel atoms from a sample and observe them one by one. The method destroys the gold threads. But Fougerouse and his team ...Gold is a very non-reactive metal, which forces companies to use chemicals such as sodium cyanide to dissolve and extract gold. However, sodium cyanide is both environmentally damaging and expensive, making it unsuitable for stripping small amounts of gold from electronics.Gold is widely distributed throughout the world. Tiny quantities occur in most rocks and soils. Usually, however, the amount of gold is so minute that the cost of extracting it would exceed its value. Where gold occurs in higher concentrations, the deposits are of two basic types—veins, or lodes, of gold-bearing ore, and placer deposits. Jun 10, 2022 · To be precise, two distinct chemical methods are used for extracting gold from old electronics. The first method uses one of the most powerful acids in the world, aqua regia. Aqua regia is a mixture of two potent acids: hydrochloric acid and nitric acid. To be precise, two distinct chemical methods are used for extracting gold from old electronics. However, extracting gold from these devices can be challenging without the use of chemicals. In addition, gold has physical and chemical properties that make it difficult to separate from other metals and non-metallic materials. To extract gold without chemicals, specific materials, and equipment are required.Gold Mining Operation: 10 - 30 years. The gold mining operation stage represents the productive life of a gold mine, during which ore is extracted and processed into gold. Processing gold involves transforming rock and ore into a metallic alloy of substantial purity – known as doré – typically containing between 60-90% gold.To use this method, cut a hole into the potato, and place the gold in it. [2] X Research source. 2. Use flux to remove impurities from the gold. Flux is a substance that is mixed with the gold before melting it. It is often a mixture of borax and sodium carbonate. [3] You need more flux if the gold is impure.Gold panning, or simply panning, is a form of placer mining and traditional mining that extracts gold from a placer deposit using a pan. The process is one of the simplest ways to extract gold, and is popular with geology enthusiasts especially because of its low cost and relative simplicity. Oct 1, 2021 · Called electrodeposition-redox replacement (EDRR), the new process combines the best of two common methods for extracting leached gold: electrolysis, which uses electric currents to reduce gold or ... Centrifuges operate in cycles that can be preprogrammed or determined manually depending on the equipment and the material processed. After a cycle is completed, the miner can then extract gold from the ridges of the centrifuge vessel. For small scale centrifuges, cycles usually last around 0.5-2 hours.Centrifuges operate in cycles that can be preprogrammed or determined manually depending on the equipment and the material processed. After a cycle is completed, the miner can then extract gold from the ridges of the centrifuge vessel. For small scale centrifuges, cycles usually last around 0.5-2 hours.Motivations for colonization: Spain’s colonization goals were to extract gold and silver from the Americas, to stimulate the Spanish economy and make Spain a more powerful country. Spain also aimed to convert Native Americans to Christianity.This green method extracts gold from crude sources and leaves behind other metals that are often found mixed together with the crude gold. The new process also can be used to extract gold from consumer electronic waste. Current methods for gold recovery involve the use of highly poisonous cyanides, often leading to contamination of the environment.Electronics are chock-full of gold, but getting it out is so difficult that most of it goes to waste.A New Zealand startup has found a way to extract gold from old circuit boards using inexpensive chemicals and microbes that absorb precious metals. The founders hope it will reinvent how the world deals with e-waste. See more!Arlene Karidis Dive brief: Researchers at University of Saskatchewan in Canada have found a cheap, fast, and environmentally-friendly way to extract gold from materials while producing re-usable waste — a technology that might have potential to turn e-waste to gold, literally.Step 5. Put the Rocks inside the Mining Pan. Pour some of the ground rocks into the mining pan. Resembling a colander, this pan comes with sifting holes at the bottom. Due to the heaviness of gold, if you put it in water, it will sink while other additives or minerals will rise and drift away.This process is performed either by hand or machines, and involves removing any non-gold materials from the board, including integrated circuits, screws and batteries. Once these extra pieces have been removed and safely discarded, the actual gold reclamation process can begin. Gold can be removed from circuit boards in a variety of ways.Jul 6, 2016 · Gold, silver, platinum and other precious metals do not burn. When scrap that contains them is reduced to ash by burning, precious metals are typically left behind and can be easily identified and recycled. This happens during two common processes that precious metal recycling companies use to extract gold: Methods of Gold Mining. The Super Pit gold mine in Australia. Gold mining is the process of mining of gold or gold ores from the ground. There are several techniques and processes by which gold may be extracted from the earth. Placer mining. Placer mining is the technique by which gold that has accumulated in a placer deposit is extracted.Aug 24, 2022 · There’s gold all around us, embedded in our electronics. There are people who collect e-waste and use various methods to extract gold from them. However, it is hard to qualify it as a “get ... Motivations for colonization: Spain’s colonization goals were to extract gold and silver from the Americas, to stimulate the Spanish economy and make Spain a more powerful country. Spain also aimed to convert Native Americans to Christianity.Sun et al. 2018. They found similar results with different liquids, too. The new framework captured 99% of gold from Swiss sewage (which, if you’ll recall, allegedly washes away $1.8 million ...I'm thinking that if you're getting 100- or finer gold, don't go above 1/2 inch down from the top. Coarser material can have more material put in the bowl. 100-, only about a rounded tablespoon full. Hope this all helps. Google the blue bowl and you'll probably find a vendor with the full instructions online.Graphene is the key to a new environmentally friendly method to extract gold from electronic waste . Depositphotos. 2 / 2. The new method could allow for gold in electronics to be recycled, rather ...Identify areas with gold color on these parts and strip the surrounding plastic. You should have more gold-colored components than plastic to extract a sizeable amount of gold. Break the parts into small bits to fit in a beaker and submerge under the stripping solution. Step 2: Clean and dry the partsMar 14, 2023 · How to Separate Gold from Pyrite .Pyrite crystals can contain small amounts of real gold, although it is very difficult to extract. The gold hidden within py... Sep 20, 2020 · Some other sources estimate that your average computer contains about 1/5th of a gram, or about $12 worth, of gold in them. On the other hand, laptops typically contain about 1/10th of a gram of ... The lab chemists guided me through an extraction process called hydrometallurgy, which uses acids to extract the gold and other metals into a liquid solution. By adding different chemicals, you ...Feb 16, 2022 · The thiourea method for gold extraction is a new low-toxic gold extraction process which is improving day by day. The thiourea acid solution dissolves gold and silver at a high speed, low toxicity ... Salvaging Gold From Old Electronics. 79 Comments. by: Brian Benchoff. November 18, 2013. great tutorial for gold recovery up on Instructables. Thanks [Matthias] for sending this in. Posted in.

To use this method, cut a hole into the potato, and place the gold in it. [2] X Research source. 2. Use flux to remove impurities from the gold. Flux is a substance that is mixed with the gold before melting it. It is often a mixture of borax and sodium carbonate. [3] You need more flux if the gold is impure.. Smucker

extract_gold

The wait for a scalable non-toxic alternative may now be over as a research team from Aalto University in Finland has successfully replaced cyanide in a key part of gold extraction from ore. The results are published in Chemical Engineering. Traditionally, once gold ore is mined from the ground, it’s crushed to a powder and passed through a ...Apr 11, 2017 · I'm thinking that if you're getting 100- or finer gold, don't go above 1/2 inch down from the top. Coarser material can have more material put in the bowl. 100-, only about a rounded tablespoon full. Hope this all helps. Google the blue bowl and you'll probably find a vendor with the full instructions online. May 29, 2019 · Beaker Mugs: https://nilered.tv/beaker-mug-----Follow-up video on NileBlue (my second channel): https://youtu.be/NuYDQt... 2-3. The table compares different methods for extracting gold from electronics without the use of chemicals. The methods include gravity separation, mechanical agitation, electrostatic separation, plasma technology, and bioleaching. The table presents the gold recovery rate, cost, and time required for each method.Sep 4, 2023 · Time: Extracting gold from electronics can be a time-consuming process, especially for individuals who are new to the process. It may take several hours to extract a small amount of gold from an electronic device. Hazardous Chemicals: The process of extracting gold from electronics requires using hazardous chemicals, such as cyanide and aqua ... Step 5. Put the Rocks inside the Mining Pan. Pour some of the ground rocks into the mining pan. Resembling a colander, this pan comes with sifting holes at the bottom. Due to the heaviness of gold, if you put it in water, it will sink while other additives or minerals will rise and drift away.Leaching dissolves the gold out of the ore using a chemical solvent. The most common solvent is cyanide, which must be combined with oxygen in a process known as carbon-in-pulp . As the cyanide and oxygen react chemically, gold in the pulp dissolves.Jan 9, 2023 · Centrifuges operate in cycles that can be preprogrammed or determined manually depending on the equipment and the material processed. After a cycle is completed, the miner can then extract gold from the ridges of the centrifuge vessel. For small scale centrifuges, cycles usually last around 0.5-2 hours. The oceans are filled with gold, just floating out there for the taking! The trouble is figuring out how to extract the precious metal. For over a century, dreamers, con artists, mad men, and well ...Mar 14, 2023 · How to Separate Gold from Pyrite .Pyrite crystals can contain small amounts of real gold, although it is very difficult to extract. The gold hidden within py... There’s gold all around us, embedded in our electronics. There are people who collect e-waste and use various methods to extract gold from them. However, it is hard to qualify it as a “get ...Salvaging Gold From Old Electronics. 79 Comments. by: Brian Benchoff. November 18, 2013. great tutorial for gold recovery up on Instructables. Thanks [Matthias] for sending this in. Posted in.HOW to Recover GOLD from Scrap VERY EASY - No nitric acid needed HDcontact me : [email protected] gold from everything, circuit boards, CPU/IC chips, cell phones, satellite TV equipment, junk jewelry, anything that contains gold. You'll probably start out using mason jars and learn the hard way that they crack and shatter under certain conditions. Lab glass beakers are the best.Leaching dissolves the gold out of the ore using a chemical solvent. The most common solvent is cyanide, which must be combined with oxygen in a process known as carbon-in-pulp . As the cyanide and oxygen react chemically, gold in the pulp dissolves. A mercury-gold amalgam then is formed because gold will dissolve in the mercury while other impurities will not. The mixture of gold and mercury is then heated to a temperature that will vaporize the mercury, leaving behind the gold. This process does not result in gold that is 100% pure, but it does eliminate the bulk of the impurities.Pandora has set a target of using only recycled gold and silver by 2025. For the Tokyo Olympics, metal was extracted from six million mobile phones and almost 72,000 tonnes of e-waste to make ...Recovering gold from junk electronics, also called urban mining, may be profitable if you can amass large volumes of electronic waste (e-waste), particularly computer parts. It may not be worth the ordeal to extract gold from a small pile of junk hardware. It’s best to find good sources of free e-waste for maximum profits.The zinc causes a chemical reaction which separates the gold from the ore. The gold is then removed from the solution with a filter press. For the carbon-in-pulp method, the ground ore is mixed with water before cyanide is added. Then carbon is added to bond with the gold. The carbon-gold particles are put into a caustic carbon solution ... .

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