The process involved looks to recover copper and nitric acid from copper nitrate, a common waste byproduct of processing metal. While a process called thermal decomposition exists to accomplish ...

In their tests, the team recovered 50 percent aluminum, 40 percent copper, and more than 70 percent zinc from their test metal solutions using the spent yeast. When the biomass was used in a ...

Here's how to recycle your metal cans, and what not to do. For more, here's what to know about the Great Pacific Garbage Patch. Don't do this: Toss cans into the recycling bin before cleaning.

or e-waste. Their novel method is targeted at enhancing the efficiency of metal recovery. Besides, it promises to reduce the ...

"I like metal more because we can scream out our anger ... band wanted a name that represented how society made them feel as garbage pickers living in abject poverty. This comes across in their ...

Prof Macklin explained that the majority of metals from metal mining is bound up in sediment in the ground. "It's this material - eroded from mine waste tips, or in contaminated soil - that ends ...