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Content archived on 2022-11-21

Development of catalytic metal filters for simultaneous removal of organic compounds and particulate matter from EAF fumes

Objective

Currently, the conventional approach for the abatement of organic compounds in electric steel-plants only concerns PCDD/F and consists in a process including the following phases:
- destruction of PCDD/F in a post-combustion chamber by bringing the primary fumes of the furnace to a temperature of 950°C using natural gas burners,
- quenching the fumes abruptly in order to go to the 600°C-250)C range and avoid the reformation of PCDD/F called De Novo,
- diluting the primary and secondary fumes in order to limit water vapour condensation that is harmful for bag functioning,
- possible injection of activated carbon in order to respect a value of 0.1ng/TEQ Nm³.

All of these phases in the conventional approach lead to a solution which is investment-costly and fossil energy-thirsty with consequently a large production of greenhouse gases.

In order to overcome all these disadvantages, the research project consists in implementing and promoting an innovating compact technique in the field of electric steel-plants associating the properties of filtering and catalysis in an inter-metallic filtering bag in order to abate the organic compounds contained in electric arc furnace fumes.

Water quenching becomes unnecessary as well as any injection of activated carbon, thus a simplification of the fumes treatment installation and a lower investment cost are achieved.

Programme(s)

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Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

SECHAUD ENVIRONNEMENT
EU contribution
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Address
Rue de la Redoute, 28
92260 FONTENAY-AUX ROSES
France

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Total cost

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Participants (3)

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