↑   Estimates range world wide, but most sources provide a figure of 2–4kg of bauxite for each 1kg of alumina. down and recycle. In accordance with the Aluminum Association, just about 70 % on the aluminum ever mined continues to be in use nowadays, as a result of effective recycling courses. https://aluminiumgreenhouse90012.bloggadores.com/36390205/5-simple-statements-about-sheds-and-garages-explained