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ORGANIZER;CN=ESTAD 2023:mailto:info@metec-estad.com
LOCATION:Room 02
SUMMARY:Sintering with high by-products recycling rate and environmental optimization by selective preperation
DESCRIPTION:The dependency to raw materials costs makes the management of sintering plants an everyday challenge to reach the requested sinter quality and production rates while meeting all the environmental constrains (CO2 but also other pollutants like NOx and SOx). The increase of by-products recyclability and recycling rate shall improve both raw materials costs and environmental issues, improving competitiveness and sustainability of European steel industry with limited impact on process KPI’s.

SinByOSe RFCS funded project focuses on selective preparation of by-products and solid fuels. The selective preparation of part of the sinter mix is a local countermeasure by means of chemical upgrading (removal of detrimental elements by pre-processing) and by means of particle shaping (pre-granulation). 

Main solutions investigated in the SinByOSe project consist in :
• An innovative pre-processing to increase sinter dust recyclability doing a closed loop washing. The Chlorine abatement obtained is close to 91% and a high %KCl solution is generated, which could be valorized.
• Selective pre-granulation of a selected part or whole of the by-products to be recycled through the sinter plant. Current results allows up to 16% productivity increase.
• Solid fuel pre-granulation with lime, by intensive mixing, for process and environmental improvement. Results showed an increase of productivity up to 3 tsinter/m².d, a gain of solid fuel of 1 kg/tsinter and constant sinter quality. Environmental results showed a reduction by 15% of SO2 and dust emissions.

CLASS:PUBLIC
DTSTART:20230614T130000
DTEND:20230614T132000
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