Results 21 to 30 of about 130 (110)

The greenhouse index of sustainable development for metallurgical processes of production in aspect of green power

E3S Web of Conferences, 2016
The accounting of greenhouse gases (GHG) according to plans of the Russian Federation becomes obligatory since 2016 for the enterprises with issue of GHG not less than 150 thousand tons of CO2, since 2017 – from 50 thousand tons of CO2. Introduction of a
Lisienko Vladimir, Anufriev Valery, Berg Dmitry, Chesnokov Yuri, Lapteva Anna   +4 more
doaj   +1 more source

Adaptive pathways for low-carbon steel: From waste utilization to policy-driven transitions

Cleaner Engineering and Technology
This study investigates the decarbonization of steel production by integrating advanced technologies and regional policy mechanisms, targeting the significant carbon footprint of the sector.
Rozhin Ziayeepour, Masoumeh Bararzadeh Ledari, Maryam Fani, Roya Vahedi   +3 more
doaj   +1 more source

Investigation of the Reoxidation and Material Behavior of Directly Reduced Pellets and Fines Under Simulated Rail Transport Conditions

steel research international, EarlyView.
The study investigates the reoxidation behavior of DRI pellets (Midrex and H2‐reduced) under realistic conditions, considering the test parameters of temperature, humidity, storage duration, particle size (including fine fraction), and container geometry. The samples are analyzed based on mass changes.
Bernd Taferner, Johannes Schenk, Richard Schanner, Peter Gluschitz, Jan Eisbacher‐Lubensky   +4 more
wiley   +1 more source

Development of ‘Green’-Metallurgy Technologies

Успехи физики металлов
The article is concerned with the urgent problem of decarbonisation of metallurgy, which produces 8% of global CO2 emissions into the atmosphere. Solving this problem will help us protect ourselves from the effects of climate change caused by rising ...
S.G. Saveliev, T.P. Yarosh, M.M. Kondratenko, O.V. Babaievska, D.Yu. Baboshko, and V.V. Plotnikov
doaj   +1 more source

Thermodynamics and Kinetics of Ammonia‐Based Reduction of Natural Hematite

steel research international, EarlyView.
Ammonia is investigated as a carbon‐free hydrogen carrier for reducing natural hematite into metallic iron. Higher temperature and smaller particle size promote faster reduction, while ammonia dissociation generates hydrogen that indirectly drives the reduction reaction. At 850 °C, high reduction degrees and porous metallic iron structures are achieved,
Medard Turyasingura, Basit Ali, Michael Lubwama, Peter Wilberforce Olupot, Marcel A. J. Somers   +4 more
wiley   +1 more source

Effect of Intrinsic Carbon in Hot Briquetted Iron on Melting and Refining Efficiency under Electric Arc Furnace Conditions for Sustainable Steelmaking with Active Use of H2‐Reduced Iron

steel research international, Volume 97, Issue 8, Page 4126-4137, August 2026.
The melting behavior of hot briquetted iron (HBI) is observed and compared with FactSage computing simulation. When using HBI in an electric arc furnace process, a proper design of intrinsic carbon content in HBI, charging ratio of HBI, and addition of lime are proposed to be essential to control the slag volume, maintain slag basicity, and mitigate ...
Min Joo Lee, Joo Hyun Park
wiley   +1 more source

Influence of an Electromagnetic Field on Direct Reduction of Iron Oxide Using Hydrogen as a Reducing Agent

steel research international, Volume 97, Issue 8, Page 4119-4125, August 2026.
This study investigates the reduction of pure iron oxides and industrial iron ore using hydrogen gas as a reducing agent. Additionally, to determine whether the reduction process can be accelerated, electromagnetic fields of 50 Hz and 25 kHz were applied.
Mykyta Levchenko, Oleksandr Gryshyn, Oleksandr Velychko, Oleksandr Grek, Anzhela Nadtochiy, Olena Volkova   +5 more
wiley   +1 more source

Modeling the Thermal Properties of Hydrogen‐Based Direct Reduced Iron Using Computational Thermodynamics and Machine Learning

steel research international, Volume 97, Issue 7, Page 3851-3869, July 2026.
Hydrogen‐based direct reduced iron (H‐DRI) melts differently from scrap and carbon‐bearing DRI. This work combines differential scanning calorimetry experiments, FactSage thermodynamics, and simple composition‐based regression to predict solidus, liquidus, heat capacity, and enthalpy for H‐DRI.
Ankur Agnihotri, Petri Sulasalmi, Pasquale Cavaliere, Ville‐Valtteri Visuri   +3 more
wiley   +1 more source

Effect of Particle Size Distribution on the Explosion Intensity of Hydrogen Direct‐Reduced Iron Dust

Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
Steel production using direct‐reduced iron (DRI) in an electric arc furnace with natural gas has a lower carbon footprint compared to the blast furnace route (Bhaskar et al., 2019). When iron ore is reduced using hydrogen, the resulting product—H‐DRI—represents a key pathway to green steel and is increasingly used as a feedstock in industrial ...
Aleksandra Semenova, Christoph Spijker, Mohammad Rezwan Habib   +2 more
wiley   +1 more source

Hydrogen Direct Reduction: History and Pathways for Cost Reduction

cScience, Volume 1, Issue 1, December 2025.
ABSTRACT The steel industry, a critical pillar of global economic development, is highly energy‐intensive, accounting for approximately 7%–9% of global energy‐related CO2 emissions. The transition from traditional carbon‐intensive metallurgy to hydrogen‐based metallurgy represents a pivotal pathway for the green and sustainable development of the steel
Chuanlin Fan, Feng Pan, Sugang Ma, Yu Ge, Qingshan Zhu   +4 more
wiley   +1 more source