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Stoelzle Glass Group

New furnace at Stoelzle Oberglas

New furnace at Stoelzle Oberglas reduces energy consumption by 13%
14.02.2022

New furnace at Stoelzle Oberglas reduces energy consumption by 13%

As a perfect start in 2022, which is officially the International Year of Glass, Stoelzle Oberglas, headquarters of the Stoelzle Glass Group has successfully completed the rebuild and expansion of its flint furnace, a 22 million € invest, which focused on making the production site more efficient and also more sustainable in terms of energy efficiency and CO2 emissions.

  • New flint furnace expands production capacity to 270 tonnes per day
  • E-Boosting reduces energy consumption by 13%
  • New batch formulas reduce CO2 emissions by 16%

 

The new flint furnace will reach a daily capacity of around 270 tons of melted glass. State-of-the-art melting technology will reduce the amount of energy used in the melting process by an estimated 13% per ton of glass. Improved E-boosting allows to use more green electricity in a flexible way in order to reduce the consumption of natural gas.

New batch formulas, which are based on the use of PCR glass and secondary raw materials, have been tested successfully throughout the past months. Examinations in the Stoelzle in-house glass lab proved that the so called Flint Prestige Recycling glass, which has already been recognized by the Austrian Trigos sustainability award, will reduce the CO2 emissions by 16% and energy consumption by 4% without compromising the high glass quality and brilliant flint colour.

The new flint furnace and the new batch compositions are two of the main milestones on the Glass Group’s roadmap towards decreasing the CO2 emissions by 50% by 2030.

The investments include three new state of the art IS machines and several new cold end quality control machines as well as packaging robots.

Having successfully accomplished this important project, Stoelzle can now head towards the next milestones on its sustainability roadmap to 2030. The focus has been set on a group level on reducing further energy consumption and CO2 emissions by developing and re-thinking processes and techniques, not only in production but also I decoration of high quality packaging glass.

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