Production method of aluminum in a cell of hall - H u00e9 roult with pre baked anodes and anode pre cooked

摘要

Production method of aluminum in a cell of hall - H u00e9 roult with pre baked anodes and anode pre baking. The invention relates to a method of aluminum production in a cell of the hall - H u00e9 roult with pre baked anodes, as well as anodes for the same. The anodes are provided with apertures on its wear surface (ftmdo) for drainage gas.The apertures have a width of 2 to 8 mm, preferably 3 mm.