How to Extract the Gold From Computer Circuit Boards
Computers and other electronic devices contain gold and other precious metals in their circuit boards. As consumers upgrade their electronic gadgets, the precious metals remain trapped in piles of waste. There’s about 0.2 grams (0.007 ounces) of... More »
Difficulty:

Moderately Challenging
Source:

www.ehow.com

How to remove gold from circuit board Gold Recycling. - YouTube

Jun 4, 2016 ... 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 all kinds of electronic scrap. How to Extract Gold from Computer Circuit Boards. Archimedes Channel...

How to Extract Gold from a Circuit Board - Bang Goes the Theory ...

Mar 27, 2013 ... Jem Stansfield shows how it is possible to extract pure Gold from some old electronic circuit boards. Incredible clip from acclaimed BBC 1 science series, Ba...

How to Remove Gold from Circuit Boards: 12 Steps (with Pictures)

How to Remove Gold from Circuit Boards. If you've opened an electronic device before, such as radios, televisions, or even your old cellphone, you've seen their inner workings. Ever noticed those shiny gold-colored parts on the circuit...

Gold Recovery: 8 Steps (with Pictures) - Instructables

Nov 15, 2013 ... Picture of Gold Recovery. Wait don't throw those old electronics in the garbage, there's gold in them there things. How about putting it in your pockets instead of someone else's pocket? Laptops, phones, cameras, and the like are filled with gold plated circuit boards even printers and scanners have gold,...

How to extract gold from electronics | WIRED UK

Mar 7, 2014 ... There's gold in them thar circuit boards -- laptops, phones, cameras and other devices use the precious metal to connect components, and it can be extracted relatively simply. A typical handset holds around 0.2g of gold, which means about £1.80 for your pocket. lectronics-technology engineer Josehf Lloyd...

How to Extract Gold from Computer Circuit Boards? - Finishing

A. The amount of gold you will get from 4 tons of circuit boards may not be worth the effort and cost. There are at least two ways to get the gold: (1) cut off the tabs and strip them in cyanide (2) burn the entire collection, smelt the copper and gold out of the ash, then extract the gold from the copper. Both methods are highly...

Scientists find a new way to recover GOLD from mobile phones ...

Aug 31, 2016 ... Your old phone may be more valuable than you think: Scientists find a new way to recover GOLD from gadgets. Until now gold extraction methods have been inefficient and dangerous; New method uses a simple chemical to recover gold from circuit boards; This could help to reduce the environmental...

Refining Gold From Circuit Boards and Electronic Scrap with ...

Remove the basket from the acid, taking care not to drip acid anywhere. The aqua regia is not used up yet, so you can use the same acid to dissolve the gold off more boards. You can continue to use this acid, several times, to dissolve the metal off additional boards until it is no longer effective. The acidy boards should be...

Here's How to Rip Apart a Computer and Melt the Circuit Boards for ...

Aug 22, 2011 ... Screw the stock market, screw cash monies, I'm putting everything I have in gold. And you know where you can pan for gold these days? Your old computer. There's always been tiny traces of gold (some as thinner than human hair) on the circuit boards. Just rip 'em and melt 'em for a gold nugget.

How to Recover Gold from Electronic Scrap - goldnscrap goldnscrap ...

Another good mechanical way would be to use a dedicated PCB Guillotine. Either way, the goal is to cut the fingers as close as possible to the edge of the Gold Plating. The usual gold plating thickness on fingers is appx. 30 microinches (0.762 Micron), though it is not that uncommon to find thinner plating on cheaper...

Hydrometallurgical Recovery of Metals from Large Printed Circuit ...

Sep 29, 2015 ... The recovery of precious metals from waste printed circuit boards (PCBs) is an effective recycling process. .... HCl solubilized 100% of the copper (Cu), zinc (Zn), tin (Sn), nickel (Ni), lead (Pb), iron (Fe), aluminum (Al), silver (Ag), gold (Au) and palladium (Pd) in 22 h from PCB pieces of size 4 cm × 4 cm (Fig.

Scientists find simple method to extract gold from old phones - The ...

Aug 31, 2016 ... By unravelling the complex chemistry underpinning the extraction process, researchers discovered a compound that could be used to recover gold more effectively. Printed circuit boards are first placed in a mild acid, which dissolves all of their metal parts. An oily liquid containing the chemical compound is...

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

Aug 31, 2016 ... The new process to remove it uses a mild acid as opposed to harsher chemicals such as cyanide or mercury that are currently used to extract gold. First, printed circuit boards are dissolved in the acid which turns all of the metal in the board to liquid. Then, an oily solvent made from toluene is added, kicking...

Recovery of gold from computer circuit board scrap using aqua regia.

Waste Manag Res. 2007 Aug;25(4):380-3. Recovery of gold from computer circuit board scrap using aqua regia. Sheng PP(1), Etsell TH. Author information: (1)Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada. Computer circuit board scrap was first treated with one part...

Simple method for extracting gold from electrical and electronic ...

Abstract. Background: This research studied the feasibility of a simple method for extracting gold from central processing units (CPUs) of computer circuit boards without solvent. Methods: Ceramic and composite CPUs of computer circuit boards were used. Gold was extracted using a hydrometallurgical method in six stages:...

This Startup Wants to Turn Your Old Electronics Into Solid Gold - Wired

Jun 10, 2014 ... One ton of circuit boards has anywhere from 40 to 800 times the amount of gold in it than one ton of mined gold ore, according to the Environmental Protection Agency. In other words, the mining industry spends a fortune extracting these metals from the ground. Corporations spend even more buying the...

How Much Gold is in Smartphones and Computers? - Direct2Dell

Mar 20, 2013 ... Magann: Computer makers don't make their circuit boards because they are commodity items. They buy them from third parties. The trend in using gold among all of those companies is definitely down. It's a costly material, so they are looking for more efficient ways to make the boards, trying to use as little...

Efficient and Safer Recovery of Gold from Electronic Waste | AIChE

Sep 2, 2016 ... The researchers have developed a simple extraction method that they estimate could reclaim 300 tons of gold from electronic waste each year. Printed circuit boards are first placed in a mild acid, which dissolves all their metal parts. An oily liquid containing the team's chemical compound is then added,...

Mechanism and Clean Procedure to Extract Gold from Printed ...

The recoveries of gold from printed circuit board are carried out in this work. Chemical analysis of waste printed circuit board was determined by ICP (Inductively Coupled Plasma) method. The dissolving mechanism of gold was elaborate. The thermodynamics for leaching process of gold was analyzed, the E-pH diagrams...

Leaching of gold and silver from printed circuit board of mobile phones

Currently, the most commonly employed method for the extraction of gold and silver in ores, is cyanidation (and). Therefore, this process could be used for the extraction of metal in printed circuit boards ( and). Cyanidation has some problems: it uses a highly toxic reagent, the process should be handled carefully and...

Gold value in computer chips - Vintage Computer Chip Collectibles ...

Electronic scrap items (CPU's, transistors, RAM memory sticks, motherboards & other Printed Circuit Boards, fingers, connectors, pins, etc.) can be sent to a professional precious metal recycler / refiner who will extract the scrap gold & precious metals from your items safely and efficiently. In return, the customer will typically...

Scrap Circuit Boards | eBay

15 Lbs of Computer Circuit Boards For Scrap Gold Recovery. $62.00. Buy It Now. Free Shipping. All heatsink fans and Bracket has been removed from circuit board.

Mushrooms Recover Gold out of Mobile Scrap | EE Times

Apr 11, 2014 ... This often includes burning and smelting the metals from cables (creating toxic fumes including dioxins), or separating gold from burnt PCB ashes using toxic cyanide solutions that then contaminate nearby rivers. In Europe and the US, several companies have industrialized the recovery of precious metals...

How to mine for gold in your television set and computer keyboard

Mar 21, 2012 ... Now, people in North America, India, and Europe are harvesting these trashed electronic parts to recover the precious metals within. Though gold is often what ... Copper is found along the tracks of printed circuit boards, while gold is popular in connectors due to its conductive properties. Thieves destroy air...

Clean, cheap method for extracting gold discovered by accident ...

May 15, 2013 ... Until the 17th century, alchemists tried to transform base materials into gold. And given that in all of human history only an estimated 171,300 metric tons of gold have ever been mined — less than one ounce of gold per person alive right now — it's no wonder that early chemists spent their lifetimes trying to...

ELECTRONIC WASTE CAN EXTRACT GOLD WITH VINEGAR ...

Feb 10, 2016 ... Printed circuit boards and other electronic waste contain gold hardly recoverable components with sustainable methods. But today changes everything. Transform e-waste into gold. They succeeded the researchers from the University of Saskatchewan, in Canada, they found a fast system, economical and...

Precious Metal Removal from Electronic Components

Concept Management are experts in recycling, removal and destruction of precious metals from electronic components including circuit boards and connectors. ... Chemical extraction of Gold, Silver, Platinum, Palladium and Rhodium can be extracted from such components and the removal and disposal of hazardous...

Silver, Gold Recovery From Computers, E-Waste, Motherboards ...

How to recover silver and gold from computer parts, e-waste, chips, CPU, x-ray films, photographic waste, aqua regia, cyanide solution, circuit boards and RAMS. Recovery methods extract or recycle of precious metal like Palladium, Silver and Gold.

How to Extract Gold From Electronics | Printed Circuit Board | Gold

Stripped and segmented PCB ready for rinsing http://www. Image Notes 1. strip all components off the PCB. When you find gold. Gold foils Image Notes 1. PCB stripped Image Notes 1. Components that must be removed 2. If necessary.com/id/How-To-Extract-Gold-From-Electronics/ .Step 3: Prepare Electronics For Gold...

Recovery of gold from computer circuit board scrap ... - SAGE Journals

ISSN 0734–242X. Recovery of gold from computer circuit board scrap using aqua regia. Computer circuit board scrap was first treated with one part concentrated nitric acid and two parts water at 70°C for 1 h. This step dissolved the base metals, thereby liberating the chips from the boards. After solid–liquid separation, the.

Cell Phone Recycling | Gold recovery from cell phones

Mar 23, 2017 ... The first method is little hard but with this method you can easily recover precious metals from 100 kilograms cell phone circuit boards daily. Simply burn cell phone circuit boards as it as. Then grind them and use Monolithic ceramic capacitors recycling method. You can easily recover gold, palladium, silver,...

Computer gold content and extraction - Straight Dope Message Board

Sep 26, 2006 ... I once knew a guy who used to recover gold from circuit boards. He indicated that boards form the 1960s and 70s were of interest, but by around 1980 manufacturers had figured out how to get by with amazingly little gold. Unless your boards are far out of the ordinary, I'd guess that your scheme is not likely...

Is it profitable to recycle gold from electronic devices? - Quora

It doesn't take much gold to make a lot of money... and electronics is one of the bigger users of gold. There's a lot of obsolete electronics out there with TVs, computers, phones having lives of 5 years or less. The down side is that the gold is...

Assessment of gold and silver in assorted mobile phone printed ...

The PCB is composed of precious metals, which creates immense purpose for recycling and recovery. This paper characterises and assesses the recoverable metallic fraction of gold and silver from PCBs of mobile phones. The methodology is based on dismantling of the mobile handset and subjecting the PCBs to roasting...

Researchers find new way to extract gold from e-waste using acid ...

Sep 12, 2016 ... A team of researchers from the University of Edinburgh has published a study in the journal Angewandte Chemie that details a new acid treatment for extracting gold from printed circuit boards, as reported by Forbes. The method involves dipping circuit boards in a "mild acid" to dissolve metal components...

What Happens When You Put Gold in Muriatic Acid? | Sciencing

Apr 25, 2017 ... Gold is probably the most treasured of the so-called precious metals, having been used in art and jewelry for centuries and more recently finding applications in medicine, coins and elsewhere. Muriatic acid, better known today as hydrochloric acid, is a simple, corrosive liquid with well-studied chemical...

How Much Gold Can You Refine From a Bunch of Old Computer ...

Mar 1, 2016 ... Earlier this month, we learned all about the painstaking but far-from-impossible process of refining gold in your own kitchen and backyard from Cody of Cody's Lab. That was fascinating in its own right, but now the DIY chemist has but his metallurgical know-how to what seems like a slightly more practical...

Printed Circuit Board Recycling Methods - EPA

Recycling of resourceful wastes generated by the printed circuit board industry includes (1) recovery of copper metal from edge trim of printed circuit boards, (2) recovery of tin metal from tin/lead solder dross in .... precious metals, typically gold (Au), silver (Ag) and platinum (Pt). After adding suitable reductants, the ions of...

Chemists have a way of extracting the gold from your old cellphones

Sep 1, 2016 ... The process Love and his fellow researchers have pioneered involves first placing the phones' printed circuit boards in a mild acid, which dissolves their metal parts. An oily liquid containing the chemical compound is then added, which results in the gold extraction. But Love's not convinced we're all going...

Leaching of Gold from the Waste Mobile Phone Printed Circuit ...

Jan 2, 2012 ... One such e-waste, the mobile phone printed circuit boards (PCBs) contain various precious metals which can be extracted by different hydrometallurgical routes. The present work deals with the recovery of gold using ammonium thiosulfate as a leaching agent from waste mobile PCBs containing 0.021%...

PRE Post:small grinders for crafts
NEXT Post:how to extract gold from quartz rock