Generally speaking the conventional method for recovering gold from printed circuit boards involves the incineration of scarp, followed
21/01/2014· Removing the Gold Gold can be removed from circuit boards in a variety of ways. It can be scraped off of the boards by hand, which is time consuming, but yields excellent results. The gold can also be removed via a process known as reverse electroplating, where a chemical solution and electricity are used to draw the gold off of the circuit board. Finally, gold can be
Resources Processing 65 : 36 RESOURCES PROCESSING Original Paper Extracting Gold from Obsolete Printed Circuit Boards Gjergj DODBIBA*, Kouji YABUI, Josiane PONOU and Toyohisa FUJITA The University of Tokyo, Tokyo 113 8656, Japan Abstract Japan is a major consumer of precious metals.
20/05/2021· A New Zealand startup is using microbes that absorb metals to extract gold from old circuit boards. The company's founders say their process is cleaner and safer than common e waste mining methods ...
26/03/2021· Put your circuit boards in a glass container. Pour the concentrated nitric acid into the glass container with the circuit boards. Stir the mixture using a glass rod until the contents become fluid in form. Is it worth getting gold from computers? The boards from 100 computers could yield as much as $3,000 worth of gold.
24/08/2018· How to Extract Gold from a Circuit Board Earth Lab YouTube.
04/04/2022· Remove the boards from one container and mix hydrochloric acid and strong hydrogen peroxide . Using this mixture, thoroughly submerge the circuit boards. Using a glass or plastic rod, stir the water daily for one week. Table of contents. Is It Worth Extracting Gold From Electronics?