Page 67 - Glass Machinery Plants & Accessories no. 3-2021

gases - all very relevant at this
historic moment given that, by
2050, primary energy consump-
tion should fall by 50 percent com-
pared to 2008. To this we add
the share of renewable energies in
final energy consumption, which
should increase to 60 percent,
while greenhouse gas emissions
should fall by at least 80 percent
compared to 1990.
As things currently stand, batch
mixtures brought into furnaces
must be heated to a temperature
ranging from 1.450°C to 1.650°C
before being converted into glass,
which is mainly done within large PROJECT AIMS - all thanks to this special melt-
furnaces by natural, gas-fired burn- Returning to ZeroCO2Glas, ing process and improved new
it’s at the second stage of pro- furnace design.
ject upscaling -and once all Finally, new glass composi-
approaches have been tested tions are being tested in the
on a laboratory scale- that set project, which allow advantages
up will go ahead in Aachen, in terms of both emissions and
Germany, of the hybrid furnace finished glass properties. O
with hydrogen-oxy and natural
gas-oxy firing as well as elec-
trical heating - representing,
together with the correspond-
ing peripherals, a fully-fledged
container glass site.
This will focus upon the
melting process, opening up
potential savings of a particu-
larly large amount of energy
and greenhouse gases. Indeed,
its innovative melting technol-
ogy aims to reduce energy con-
sumption by 15 percent as com-
pared to conventional furnaces
by using alternative, CO2-
free raw materials with lower
ers. This shows that glass, glass- reaction enthalpy that hinders
ware, ceramics, processed stone any CO2 release. This avoids
and earth all account for around unnecessary humidification of
seven percent of primary energy the batch and reduces glass
consumption in the industry. dwell time within the furnace

STOELZLE

THE STOELZLE GLASS GROUP
Fabrikstrasse 11
Is a family-run company with six plants in Europe and one US production plant which joined IPGR in 8580 Köflach - Austria
2020. The group has been producing high-quality glass packaging for the pharmaceutical, perfumery & Tel.: +43-3144-706
cosmetics, spirits, food & beverage sectors for over 200 years. Stoelzle covers all areas from product Fax: +43-3144-706251
development to production to decoration and the delivery of closures. E-mail: office@stoelzle.com
www.stoelzle.com

GMP&A 3/2022 65