Glass is a material that permeates our daily lives, from objects of common use (glasses, bottles, windows and glass windows) to advanced solutions such as optical fibres or computer device screens. The versatility and transparency of glass are two qualities that are widely appreciated in many fields of application. However, the glass industry today finds itself having to deal with two great challenges: improve durability and reduce environmental impact of the processes related to the entire life cycle of this material.
Towards a longer-lasting glass
The reliability of glass is a key factor on which research is focusing. Innovative techniques allow us to enhance chemical and mechanical resistance, extending the useful life of glass and reducing waste and refuse. This approach, born for the mobile technology sector, is now also being applied in other sectors, such as construction, automotive and packaging.
Stronger glass means fewer replacements and a longer life cycle, two tangible benefits for both the environment and consumers.
The Roads to Decarbonisation
At the same time, the glass industry is strategically focused on reduction of carbon footprint. Most of the current emissions come from the combustion of natural gas used in smelting furnaces. To address this problem, solutions are being explored such as:
- theElectrification of the ovens, which reduces dependence on fossil fuels.
- THEgreen hydrogen, a clean alternative to fuel production.
- THEuse of short supply chain biomass and cogeneration plants, which combine energy saving with sustainability.
- Advanced technologies such as CO₂ capture and oxygen preheating systems to optimize consumption.
These innovations, however, require considerable investments. According to European estimates, approximately € 20 billion by 2050 to upgrade infrastructure and implement low-emission technologies. Government policies and economic incentives will therefore have to take on this commitment to ensure an effective transition without compromising the competitiveness of the sector.
Designing a circular economy
Another pillar of sustainability is the recycling. The use of glass cullet allows to reduce the consumption of natural resources and CO2 emissions. To increase recycling rates, however, a coordinated effort between companies, citizens, public bodies and administrations is necessary.
Glass, with its thousand-year history and its infinite possibilities of transformation, is ready to become a symbol of green innovation, confirming itself as one of the most precious and versatile materials of our time.
Source: ilsole24ore.com
