• GOLD RECOVERY FROM PRINTED CIRCUIT BOARDS OF

    the recovery of gold from electronic scrap (Ha et al., 2010; Tripathi et al., 2012). Thus, this study aims to characterize different types of PCBs in relation to the amount of gold contained, to evaluate alternative leaching agents (ammonium and sodium thiosulfate) for the extraction of the gold present in the PCBs of

  • Obsolete Computers, “Gold Mine,” or High-Tech Trash

    1Based on 1 troy ounce of gold recovered for every 3 t of electronic scrap (10.4 grams per metric ton (g/t)) and an average gold ore feed grade of 0.9 g/t for a typical gold openpit cyanide leaching operation in Nevada with an overall 67 percent gold recovery. 2Based on a 2.7:1 waste-to-ore ratio. U.S. Department of the Interior

  • Recovery of Gold, Silver, Palladium, and Copper from Waste

    This discusses the recovery of gold, silver, palladium, and copper from end-of-life printed circuit boards of computers and mobile phones. The objective is to merge two aspects of a successful project; sustainability in terms of environment, resource and health protection, in addition to

  • 文件大小: 797KB
  • Gold Recovery Correctly : 12 Steps Instructables

    Gold fingers are typically found on PCI cards, ISA cards, or on Memory sims/dimms/etc. They create the corrosion free connection between the computer and the expansion card. This process can also be used to recover gold from CPU such as Pentium Pro, or Cyrix or older 486 and lower generation chips.

  • How to Make Money Recovering Scrap Gold from Electronics

    Do Some Research. Get to by doing a thorough research on what you want to venture into.
  • How to Extract the Gold From Computer Circuit Boards Our

    Apr 12, 2017· Computers and other electronic devs 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 gold in a typical mobile phone handset. Recovery of this gold requires

  • Silver, Gold Recovery From Computers, E-Waste

    How to Recover Gold from Computer Parts and other Electronic Scrap. We provide training for Gold, Silver, Palladium & Platinum Recovery from Electronic Scrap/E-waste and Catalytic Converters etc. through very easy and environment-friendly methods to those who want to start this profitable business both on small and big scale.

  • Avi Oziel Gold Wars Gold Recovery From Computers and

    Sep 30, 2014· Avi Oziel in Gold Wars: How To Recover Tantalum Capacitors From Computers. In this video, Avi Oziel describe what a capacitor is and it’s use on circuit boards and then compare the difference between ceramic and tantalum capacitors.

  • E waste Recycling-Gold Recovery from computer parts and e

    In this blog, you can learn about gold recovery from all computer parts, cell phone boards, telecommunication boards, and much much more. You can also learn about gold refining, palladium refining, silver refining. So, let’s see some items which have a good quantity of precious metals.

  • Gold Recovery : 8 Steps (with Pictures) Instructables

    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

  • Recycling of gold from electronics: Cost-effective use

    value, gold and the other precious metals dominate, as shown in the lower part of the table. For PC boards, cell phones and the calculator, gold and the Volume counts content of gold and other metals in mobile phones and computers in relation to total demand from these appliances and world mine production Figure 1 1300 Million units

  • Recovery of Gold, Silver, Palladium, and Copper from Waste

    This discusses the recovery of gold, silver, palladium, and copper from end-of-life printed circuit boards of computers and mobile phones. The objective is to merge two aspects of a successful project; sustainability in terms of environment, resource and health protection, in addition to

  • RECOVERY OF TIN AND COPPER BY RECYCLING OF PRINTED

    solution to cause gold sulfate precipitation. The remaining solid residue was melted at 1085ºC in the presence of Na2CO3, producing small pellets of gold. Veit et al. (2005) used PCBs from obsolete or defective personal computers, which represent the largest source of technological waste in Brazil for metal recovery. In the first stage, mechanical

  • How to Extract the Gold From Computer Circuit Boards Our

    Apr 12, 2017· Computers and other electronic devs 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 gold in a typical mobile phone handset. Recovery of this gold requires

  • Avi Oziel Gold Wars Gold Recovery From Computers and

    Sep 30, 2014· Avi Oziel in Gold Wars: How To Recover Tantalum Capacitors From Computers. In this video, Avi Oziel describe what a capacitor is and it’s use on circuit boards and then compare the difference between ceramic and tantalum capacitors.

  • (PDF) Recovery of precious metals from e-waste TINOTENDA

    Recovery of precious metals from e-waste

  • How to Scrap a Desktop Computer for Metals

    Oct 17, 2019· Old, non-functioning computers are found in bulk in business closings, school auctions, and even on Craigslist for free. These old computers can contain valuable metals such as gold, copper, and aluminum. While sleek modern laptops do not provide the bounty of precious metals found in the heavier, older units, they can remain profitable, just the same.

  • Is it profitable to recycle gold from electronic devs

    Apr 08, 2019· The short answer to the question is: yesthere is profit in recycling gold (and other precious metals) from electronic devs. The longer answer is that it definitely requires resources to get this resource (the old adage, it takes money to make