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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium REWAS 2022: Decarbonizing the Materials Industry
Presentation Title Biomass as a CO2-neutral Carbon Substitute for Reduction Processes in Metallurgy
Author(s) Christian Dornig, Jürgen Antrekowitsch
On-Site Speaker (Planned) Christian Dornig
Abstract Scope The increasing consumption of carbon-based products in recent decades and their impact on the environment and climate change is becoming more and more significant. To curb this problem, the use of pyrolyzed biomass as a reducing agent substitute for carbon-based reduction processes can be part of the solution for a CO2-neutral metallurgy. Previous research has shown that biochar can be a replacement for conventionally used carbon sources. However, the economic interest in this technology has gradually decreased, due to the falling prices for the CO2 certificates about eight years ago. In the meantime, the prices for the certificates have risen strongly again and the topic is coming back into focus. In this publication, the use of biomass was investigated in an experimental setup and the selection, properties and possible applications are discussed. The results show that biomass can be an adequate product for CO2-neutral process control.
Proceedings Inclusion? Planned:
Keywords Pyrometallurgy,


Biomass as a CO2-neutral Carbon Substitute for Reduction Processes in Metallurgy
Carbon Footprint Reduction Opportunities in the Manganese Alloys Industry
CO2 as Raw Material for Chemical and Fuel Productions through Electrocatalysis
Effect of Moisture and High Temperature to Separation Properties of Mixed Matrix Membranes
Field Demonstration of the Reversa Mineral Carbonation Process Using Coal and Natural Gas Flue Gas Streams
HIsarna: A Technology to Meet Both the Climate and Circularity Challenges for the Iron and Steel Industry
Iron-ore Reduction Using Green Hydrogen: A Study for Recycling Wastes in Egyptian Steel Industry
Pilot Scale Test of Flue Gas Recirculation for the Silicon Process
PreMa-project Development of New Technologies to Reduce CO2 Emissions in Mn-alloy Production
Pyrometallurgy-based Research Conducted at Mintek towards Decarbonizing the Metals Industry
Solid Oxide Membrane (SOM) Based Technology for Carbon-free Efficient Production of Solar-grade Silicon
Supercritical Carbonation of Steelmaking Slag for the CO2 Sequestration
Tecno-economic Pre-feasibility Study of a Hydrogen Plasma Based Ferromanganese Plant
The Carbon Age: Reimaging the Lifecycle of Fuels and Materials
Towards Green Ferroalloys: Replacement of Fossil Reductants in the Pre-reduction Process of Chromite by Bio-based Alternatives

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