Glass

Pre-sort

A first sorting is carried out by the consumer.
He places the glass in local containers made available to him. We ask him not to mix infusible elements: capsules, pieces of porcelain or ceramic. These products do not melt in ovens and we find them included in new packaging, which weakens them and can lead to stopping an entire production line.

Collection

Local containers are emptied into dump trucks to be transported to a processing center. The glass undergoes an initial manual sorting which allows the removal of large objects which could be mixed in: plastic bottles or bags, for example.

Life cycle

Treatment

At the processing center, the glass undergoes a whole series of sorting:

• Mechanical sorting eliminates ferrous or non-ferrous metals (steel, aluminum, etc.).
• Laser optical sorting identifies and extracts infusible materials.
• Blowing allows light elements to be extracted: corks, paper.
• The glass is then crushed and transformed into cullet, calibrated at the request of the glassmakers to make glass packaging.

Recycling and recovery

The cullet is taken to glass factories to be melted and processed into new glass packaging.
The only limit to glass recycling is color: in France, with rare exceptions, collection is organized as a mixture and is made up of glass of different colors: green, brown, colorless. With this glass, we can only make colored glass.

Additional sorting will soon make it possible to separate colored glass from colorless glass, which will allow the manufacture of new light-tinted packaging.

The SCHROLL Group supports you in optimizing your recycling your waste.