Renewable Matter # 13 / November-December

Not Renewable, but Everlasting

by Marco Gisotti

Focus Permanent Materials

 

“Nothing is created, nothing is destroyed, everything is transformed.” The old Lavoisier’s postulate is ever so true today for permanent materials that can be reused ad infinitum. Aluminium is an excellent example. Its recycling also offers a 95% energy saving.

 

Virtually, the aluminium of the beer can you had last night is everlasting, even if its use is a very recent application. Aluminium is not found in nature, for centuries its value rivalled that of gold. Only at the end of the 19th century, its extraction became sufficiently cheap to start its commercial use. Once extracted, aluminium can be used for a...

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