Chapter 11 Raw materials for aluminium production
Raw materials for aluminium production Example 11.1 A refiner has to produce an aluminium alloy with a maximum of 150 ppm Cr. The already purchased scrap contains 200 ppm Cr. Primary aluminium (price 1~50 ~//t) with 1 ppm Cr and wrought alloy scrap with 20 ppm Cr (price 1200 ~//t) are available. Which offers the most economic …
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