The Aniche plant (Nord) was the scene of a world first.
For a week, at the beginning of May, Saint-Gobain manufactured 2,000 tonnes of flat glass there - that used in the construction industry - while producing no carbon.
real technological feat
,” enthuses Benoit d'Iribarne, director of technology and industrial performance at Saint-Gobain.
To achieve this, the building materials giant used 100% recycled glass (known as cullet) and 100% green energy.
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It is a remarkable innovation.
However, the conditions are not met for a generalization of this process.
“You have to work on recycling to have enough secondary raw material,”
explains Benoit d'Iribarne.
To obtain a final quality of glass that meets Saint-Gobain standards, you need high-quality cullet, and it must come exclusively from the deconstruction of buildings.
Bottle glass, for example, is not suitable.
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