Aluminum is the most abundant metal in the crust of the Earth—but it doesn't exist in its pure form in nature. Bauxite ore first needs to be mined, then alumina is extracted from the bauxite, then the ...
“This is the greatest contribution to aluminum metallurgy since the Hall process of 1886—if it is cheap as the inventor says.” So commented the Aluminum Co. of America on a new process for extracting ...