Often, complex chemical processes are needed to process the materials properly or in high quantities, but these processes leave behind considerable waste. Often, there are valuable metals left ...

New research shows that magnesium and other metals in mine waste can be solubilized and ... tons of metal are produced for use in various products. However, the metal content of ores has decreased ...

The mixture is poured onto metal baking trays and smoothed out to ... Bottletop upcycles close to 1,500 pounds of this waste each year by turning the tabs into designer handbags.