Page 29 - Steel Tech India eMagazine Volume January 2021

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All of this means that, while a conventional minimill VJCV OKPKOK\G 01: GOKUUKQPU CPF KPETGCUG GHſEKGPE[
melting scrap will rate close to 400 kg CO /ton of steel, to reduce their consumption, thanks to a L2 developed
2
the MIDA will drop emissions down to 300 kg CO /ton for the purpose.
2
steel, with H-MIDA representing another step towards Minimized scale formation is another target we
greater reductions, to approx. 230 kg CO /ton steel. developed, to be able to increase the yield to reduce
2
This rate also can be maintained with iron ore as the the OpEx. Compressed air can be produced with an
raw material, using our DRIDDM using hydrogen exclusive process directly using the exhaust fumes of
(Figure 4). Danieli’s approach to environmental issues the RHF.
is to prioritize solutions that avoid the use of fossil fuel
before investing in energyrecovery processes. We must take advantage of renewable energy that is
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Note: With Energiron, it’ll be possible to make huge forward for the transition to CO -free emissions. On
strides in green steelmaking: by generating H from 2
2 the other hand, the “H ready” approach will give the
2
renewable sources, steel production emissions will be ſPCN WUGT VJG RQUUKDKNKV[ VQ GCUKN[ EQPXGTV VJKU ICU VQ
drastically reduced.
hydrogen when it is available in large volumes, securing
This happens thanks to the use of big data to improve today’s investments.
RTQEGUU EQPVTQN YJKNG KPETGCUKPI QXGTCNN GHſEKGPE[ CV In conclusion we can say that most of the technologies
the same time. On the other side, in the last 50 years needed for a clean “steel industry” are already available,
VJG UVGGN KPFWUVT[ UCY C UKIPKſECPV TGFWEVKQP KP GPGTI[ and some more will be added soon. Sometimes the
consumption, resulting in a plateau for the past 15 investments are relevant (mainly, in the iron-ore-to-
years, which makes it apparent that additional and liquid-steel process) but they also represent the only
different efforts are required.
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Circular economics is a strong asset for the Group: The pandemic breakout has become an opportunity
different solutions are available to reduce the waste, to bolster investments, as countries decide to face
and maximize the reuse of resources in every area VJG RQVGPVKCN TGEGUUKQP YKVJ JWIG ſPCPEKCN TGUQWTEGU
of the steel plant. When reheating is required by the The steel industry must take this chance and use the
process or for existing plants where MIDA and QSP- available resources to establish a low-carbon future
DUE cannot be applied, we have developed burners
and climate-resilient society.

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STEEL TECH 27