“ My PhD was on batteries, ” she tells The Straits Times, with a hint of excitement in her voice....
They simply shred the batteries and sort them into plastics and metals....
Citric acid, which is found in fruit peel, is a key ingredient in extracting precious metals from spent batteries so that they can be recycled....
综合
海峡时报-新加坡
2024-01-15 00:00:00.0