26jan2:00 pm3:00 pmOxy-Fuel Glass Melting – A Path to Sustainability and Lower CO2 EmissionsInspiring webinar Video conference
Over 300 commercial glass melting furnaces have been successfully converted to oxy-fuel firing worldwide since 1991 when the first full oxy-fuel conversion of a large container glass furnace took place.
Over 300 commercial glass melting furnaces have been successfully converted to oxy-fuel firing worldwide since 1991 when the first full oxy-fuel conversion of a large container glass furnace took place. The main benefits for oxy-fuel conversion are fuel reduction, glass quality improvement, emissions reduction (NOx, SO2, particulates), and productivity improvements. However, despite the demonstrated benefits of oxy-fuel use in glass furnaces and significant penetration of oxy-fuel in the specialty glass furnaces, only about 60 container and float glass furnaces have been converted to oxy-fuel firing, while most of large soda-lime glass furnaces are still fired with air using large regenerators to recover waste heat in the flue gas. The primary reason has been economic – with the prevailing environment of low natural gas prices in North America and Europe, the nominal 10% savings in fuel from switching to oxy-fuel is more than offset by the additional cost of using oxygen.
More recently though, there has been an increased emphasis on sustainability and lowering CO2 emissions. As a result, process industries – refineries, steel mills, cement kilns and glass furnaces are looking for ways to substantially reduce CO2 emissions from their operations. More specifically, several glass companies (container, float and fiberglass) have made definitive commitments for CO2 reduction as part of the Science Based Targets Initiative.
This emerging trend could substantially strengthen the case for oxy-fuel glass melting.
Flue gas typically exits the oxy-fuel glass furnace at 1450 – 1500oC. With full flue gas heat recovery, fuel consumption is estimated to decrease by 20 – 30% with a corresponding reduction in CO2 emissions, thereby enabling glass companies to meet their 2030 CO2 reduction milestones.
This webinar will be provided by S. Chakravarti and H. Kobayashi from Linde PLC
(Tuesday) 2:00 pm - 3:00 pm CET
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