According to a study, flash joule heating could produce gold and silver from electronic waste.
Graphene is made by flash joule heating, which was first used to turn food waste into something valuable. However, in recent years, the focus has switched to recovering valuable metals from electronic waste.
According to a recent study on urban mining, e-waste contains hidden gems.
The researchers discovered that removing the poisonous heavy metals from the source resulted in the recovery of gold and silver as by-products.
Metals are recovered from e-waste in a Rice University lab.
The temperature for flash joule heating is set to 5,660 degrees Fahrenheit, according to The Engineer on Tuesday, Oct. 5. The e-waste is heated in order to separate the heavy metals.
According to chemist James Tour, about 40 million tons of electronic garbage are generated worldwide each year. Scientists utilize a lot of them for urban mining.
According to the tour, there is a gem from rubbish that is frequently observed in dumpsters. Because the landfill has a finite capacity, some equipment must be recycled as soon as feasible.
Tour claims that his team has identified an effective approach to remove hazardous metals from the environment. Metals such as gold and silver can be recovered by converting electronic waste into a useful component.
The evaporative separation of the vapors will be the first step in the process. They’ll be vacuum-transported to the flash chamber afterwards. According to Bing Deng, a postdoctoral research associate at Rice University in Texas, the process will yield metals through the refining approach.
According to the findings, a single flash Joule reaction might reduce lead content by less than 0.05 parts per million. This level has been set for agricultural purposes.
Visit Nature.com for more information on the study “Urban mining via flash Joule heating.”
How to Minimize E-Waste at HomeHarvard University published an article about the necessity of reducing electronic waste at home. The process aids in the decrease of energy use as well as resource conservation on the globe.
According to the research, there are six techniques to reduce your e-waste usage:
Reconsider whether or not you require a device.
Keep your device clean at all times and avoid overcharging it.
Make an effort to purchase things that are environmentally friendly.
Take part in e-waste collection drives.
Repurposing electronics is a great way to save money.
Recycling e-waste is a good idea.
You might also want to take a look at this article on Electronics Recycling 101.
Also see: Researchers Discover A Safe Way To Recycle Old Gadgets: Turn Them To Dust
E-Waste to Gold is a journey that takes you from e-waste to gold
A group of academics from the University of Saskatchewan identified a method for extracting gold in 2016. News from Brinkwire in a nutshell.