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HYBRIT - Successful Trials Using Fossil Free Fuels in Pellet Process

Steel News - Published on Thu, 06 Aug 2020

Image Source: HYBRIT
Trials using fossil-free fuels in LKAB’s pellet plant have produced successful results within the framework of the HYBRIT initiative. The world’s very first fossil-free iron ore pellets are within touching distance. SSAB, LKAB and Vattenfall intend to be the first in the world with a value chain for fossil-free steel. Fossil-free steel production starts in the mine and the processing plants. The development of the next generation of pellet plants is under way, and one of LKAB’s challenges and contributions to HYBRIT is to develop fossil-free pellets, which requires a change of heating technology in the process.

Full-scale tests are currently under way to replace fossil oil with bio-oil in one of LKAB’s existing pellet plants in Malmberget, reducing emissions for the operation by 40 per cent during the test period, which will last until 2021. These tests are part of the pilot phase in HYBRIT, where the overarching goal is to be first in the world with a fossil-free value chain from mine, using fossil-free electricity and hydrogen, to finished steel product, thereby cutting Sweden’s carbon dioxide emissions by ten per cent.

In addition to this, alternative fuels to heat the pellet process, based on fossil-free electricity and biofuels, have been tested on a pilot scale. These include hydrogen and plasma. The results are promising, but require further development before full-scale implementation is possible.

Construction of the pilot plant for fossil-free sponge iron (DRI/HBI) in Luleå will be completed during the summer, and preparations are under way to build a temporary hydrogen storage facility to store fossil-free hydrogen in caverns.

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Posted By : Yogender Pancholi on Thu, 06 Aug 2020
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