abstract |
A METHOD FOR THE PRODUCTION OF ALUMINUM OF HIGH PURITY WHICH CONSISTS EXCLUSIVELY OF THE STEPS OF REDUCING ALUMINA WITH CARBON IN AN ARC FURNACE, THEREBY OBTAINING AN ALUMINUM-CONTAINING COMPOSITION, THEN MAINTAINING THE ALUMINUM-CONTAINING COMPOSITION AT A TEMPERATURE WITHIN THE RANGE OF 1400*C. TO 2000*C. ON A FILTER IN A VESSEL, WHEREBY THE ALUMINUM IS EXTRACTED ALONE AND SEPARATED FROM THE COMPOSITION THROUGH THE FILTER. |