1.   Aluminum is smelted from alumina, or aluminum oxide, which is itself obtained from bauxite ore.

2.   As for aluminum, recycling cans into new products uses less than half the energy required for starting with bauxite ore.

3.   Bauxite ore is first refined into alumina before it is processed into aluminum by smelting.

4.   Alumina is refined from bauxite ore, and is in turn made into aluminum at smelters.

5.   Alumina refineries produce two grade of alumina from bauxite ore.

6.   Alumina is a powder made from bauxite ore that is used in aluminum and other products.

7.   Bauxite ore is used in aluminum production.

8.   The plant refined bauxite ore using a caustic solution to produce alumina, which is the principal ingredient in aluminum.

n. + ore >>共 23
iron 67.84%
uranium 5.53%
grade 5.03%
bauxite 4.02%
vermiculite 3.52%
nickel 3.02%
manganese 1.51%
chrome 1.01%
pit 1.01%
process 1.01%
bauxite + n. >>共 13
ore 23.53%
mine 20.59%
industry 14.71%
lake 11.76%
reserve 5.88%
close 2.94%
company 2.94%
cost 2.94%
firm 2.94%
institute 2.94%
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