Air Liquide technology reduces Verallia’s CO2 output and energy use


Air Liquide is working with Verallia to produce a custom solution to reduce the company’s carbon dioxide (CO2) and energy consumption.

The French multinational company will take advantage of the construction of a new furnace at Verallia’s plant in  Pescia, Italy, to upgrade from a traditional combustion process to an optimised oxycombustion process. The Air Liquide solution combines the oxygen supply and the heat produced by the glass production process.

Under the terms of a long-term contract, Air Liquide will build and operate a new generation  oxygen production unit for Verallia. The oxygen produced will replace the air usually injected into the furnace, thereby melting the glass by oxycombustion to improve the efficiency of the process.

Moreover, the Group will use its HeatOx™ proprietary technology to recover the heat emitted by the glass furnace in order to further reduce the amount of energy needed to produce glass.

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