Aluminium - a vast energy bank and potential green recyclable metal

摘要

Around eight per cent of the earth's crust consists of aluminium in the form of various minerals. Aluminium is the third most abundant element in the earth's crust after oxygen and silicon, This makes it one of a handful of metals for which the availability of raw materials can be regarded as unlimited. After iron, aluminium is by far the most widely used metal in the world.