“And that plastic is leaching into our food.” While that leaching appears to happen from any contact, it gets worse when those plastic containers are heated up. “Mostly, when a container ...

In conventional mining, leaching involves applying acid to piles of rock in order to extract copper, gold or other metals. The remaining rock is stored on site in waste piles. Now, miners aim to ...

It was recently reported in the Financial Post that in-situ leaching of copper is an unproven technology. After personally spending 5 years working at the in-situ copper leaching operation at ...

"Almost all of the gold mines on the planet operate this way." There are two main ways to extract ore through leaching: the heap method, which is used by the Eagle mine; and tank leaching ...