Scientists extract silver from electronic waste using kitchen oil
NEWNow you can listen to News articles!
What happens if your old bottle of kitchen oil could help save the planet and your smartphone? That is the great idea behind an innovative discovery of researchers in Finland. Scientists from Helsinki University and Jyväskylä University have discovered that they can recover silver from electronic waste using common cooking ingredients such as vegetable oil and hydrogen peroxide. This sustainable and scalable method published in the chemical engineering magazine could change the way we extract precious metals from our growing electronic waste batteries.
Register for my free Cyberguy report
Get my best technological tips, urgent security alerts and exclusive offers delivered directly to your inbox. In addition, you will get instant access to my final scam survival guide, free when I join me Cyberguy.com/newsletter
The old smartphones are becoming small data centers

Scientists have discovered a new electronic silver extraction method through the use of kitchen oil. (Uni Takahashi/Bloomberg through Getty Images)
How to cook the oil recovers silver from electronic waste
This is how it works. Fatty acids found in oils such as sunflower or olive oil are mixed with hydrogen peroxide. When heated slightly, this combo safely dissolves silver from old circuit boards, cables or keyboard connectors. Then, using ethyl acetate, a much less toxic alternative to industrial solvents, researchers take money in a solid form. Unlike the traditional methods that are based on hard acids or cyanide -based solutions, this technique avoids toxic runoff and air pollution. Think about it as salad dressing meets the Science Laboratory, without the environmental disaster.
Why is it urgently needed to recycle the silver of electronic waste
Silver drives the devices that he uses every day, such as telephones, solar panels, electric vehicles and even medical technology. But less than 20% is recycled. As demand increases and natural resources are reduced, finding clean ways of recovering silver is not only intelligent, it is necessary. Silver prices have increased six times in the last 25 years. At the same time, the supply has been delayed. That makes electronic waste a gold mine, literally, for anyone who can unlock their hidden metals without poisoning the environment.
The new technology recovers 92% of EV battery metals

Fatty acids found in cooking oil can stabilize silver ions for easier extraction. (Smith Collection/Gado/Getty Images)
How scientists extract silver using fatty acids and light
To discover exactly how all this works, researchers used advanced computer models to study how fatty acids interact with silver ions. The process not only stabilizes silver, but also allows easy recovery using light and simple solvents. Better yet, ingredients can be reused and there are no chemical waste or mass costs. And it is very selective. The method is directed to La Plata while leaving other metals, a great step forward in urban mining. In the tests, even the silver -coated keyboard connectors were processed cleanly in pure elementary silver powder using this system.

Indian workers examine a lot of mobile phones used in an electronic waste workshop on December 5, 2023 in New Delhi, India. (Nazir/Getty images)
What this means for you
This research brings us closer to safe recycling kits, at home or small scale that could recover the silver from the old devices. Recyclers and manufacturers could adopt this method to reduce chemical waste and operational costs, while protecting workers and the environment. This method admits a future in which nothing is wasted. It maintains valuable materials in use, reducing the need for mining and pollution. Silver is vital to make many of the technological items that we use every day. Reuse it in a responsible way means cleaner energy at a lower cost and less dependence on minted resources.
Take my questionnaire: How safe is your online safety?
Do you think your devices and data are really protected? Take this fast questionnaire to see where your digital habits are. From passwords to Wi-Fi configurations, you will get a personalized breakdown of what you are doing well and what you need to improve. Take my questionnaire here: Cyberguy.com/quiz
Kurt’s Key Takeways
We have long known that waste is a problem. Now, it could also be the solution. By converting everyday ingredients into powerful recycling tools, scientists show us what is possible when chemistry and sustainability are found. The process is still refining, but the promise is clear: a greener future in which to claim valuable metals does not cost the earth or our health.
Click here to get the News application
If you could extract money from your old devices with tools in your kitchen, would you do it? Or should this be left to professionals? Get us knowing in Cyberguy.com/contact
Register for my free Cyberguy report
Get my best technological tips, urgent security alerts and exclusive offers delivered directly to your inbox. In addition, you will get instant access to my final scam survival guide, free when I join me Cyberguy.com/newsletter
Copyright 2025 Cyberguy.com. All rights reserved.
Kurt “Cyberguy” Knutsson is a award -winning technological journalist who has a deep love for technology, equipment and devices that improve life with their contributions for News & News Business Startzing Mornings in “News & Friends”. Do you have a technological question? Get the free Kurt’s free newsletter, share your voice, an idea of the story or comment on Cyberguy.com.


