MSNBCW The Rachel Maddow Show March 23, 2017
It looks like a combination of spew moanny and dirt. You put caustic chemnals and then it separates out something called alumina. And if you dry alumina out and take it to your metal processing plant, your smelters, you process that dry alumina powder into liquid aluminum. And the process by which you get that powdered alumina into liquid aluminum is the smelting process and in big aluminum smelters its one of the things we humans have created to most closely approximate the pits of hell on earth. The pictures from aluminum smelters, especially big aluminum smelters, its basically scifi. Hard ...