Hydrogen coupled with electrification is the ultimate form of green steelmaking in a net zero economy. CCS is a key way to drastically lower carbon emissions from the many existing coal-based steel mills across the globe, especially the younger ones that are likely to stay in business for many years to come. Our company prepared pre-feasibility and feasibility study in year 2021 for Ukranian plant which producing metals and wants to decrease carbon emmisions and become green producer.