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Alumina, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 oxit nh\u00f4m Al2O3, \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb qu\u1eb7ng bauxite \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi v\u00e0 c\u1eadn nhi\u1ec7t \u0111\u1edbi. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t nh\u00f4m \u2013 m\u1ed9t kim lo\u1ea1i d\u1ef1 ki\u1ebfn \u200b\u200bs\u1ebd t\u0103ng tr\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 ti\u1ebfn t\u1edbi n\u1ec1n kinh t\u1ebf carbon th\u1ea5p.<\/p>\n
Alumina do Stavian Industrial Metal.,JSC ph\u00e2n ph\u1ed1i \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t v\u00e0 tinh ch\u1ebf b\u1eb1ng quy tr\u00ecnh c\u1ee7a Bayer, \u0111\u1ea1t ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf.<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t<\/div>\n\t<\/div>\n<\/li> \n\t