Julia Kirowitz Archives | RHI Magnesita https://www.rhimagnesita.com/bulletin-author/julia-kirowitz/ Mon, 15 Jan 2024 17:42:19 +0000 en-US hourly 1 Sustainable Refractory Solutions—New Gunning Mixes Containing Circular Material https://www.rhimagnesita.com/the-bulletin-blog/sustainable-refractory-solutions-new-gunning-mixes-containing-circular-material/ Sun, 03 Dec 2023 01:40:21 +0000 https://www.rhimagnesita.com/?post_type=the-bulletin-blog&p=20512 Closing the loop of raw material flows through a circular economy and thereby finding sustainable refractory solutions is one fundamental strategic pillar of RHI Magnesita. In the last years, a […]

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]]> Closing the loop of raw material flows through a circular economy and thereby finding sustainable refractory solutions is one fundamental strategic pillar of RHI Magnesita. In the last years, a major effort has been undertaken to translate this approach into gunning mixes. The main challenge was to implement a significant amount of circular raw materials, while keeping the main properties of the gunning mixes on the same level, for example the refractory performance, adhesive properties, and machinery handling. By following these criteria in a systematic development process, it has been possible to create a new sustainable gunning mix portfolio with a reduced product carbon footprint of up to 85%. In an intense and comprehensive trial phase in the main steel producing units, namely electric arc furnaces, basic oxygen furnaces, and ladles, it was possible to fully prove this new refractory concept.

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]]> Electric Melting Furnaces for Green Steel Transformation of Integrated Steel Plants—Requirements, Challenges and Solutions from a Refractory Perspective https://www.rhimagnesita.com/the-bulletin-blog/electric-melting-furnaces-for-green-steel-transformation-of-integrated-steel-plants-requirements-challenges-and-solutions-from-a-refractory-perspective/ Fri, 01 Dec 2023 11:57:47 +0000 https://www.rhimagnesita.com/?post_type=the-bulletin-blog&p=20262 This article provides an overview of the roadmap, opportunities, and challenges of two promising process route alternatives for the green steel transformation of blast furnace–basic oxygen furnace (BF-BOF) plants. Since […]

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]]> This article provides an overview of the roadmap, opportunities, and challenges of two promising process route alternatives for the green steel transformation of blast furnace–basic oxygen furnace (BF-BOF) plants. Since these integrated steel plants are characterised by CO2 emissions nearly three times higher than mini mills—mainly driven by the blast furnace, sintering, and coking plant—this study reviews and benchmarks technology alternatives for BF-BOF plants from a refractory point of view. Additionally, examples and first research investigation results are discussed to highlight the readiness of RHI Magnesita for the green steel transformation.

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