氢等离子体熔炼还原铬铁矿快速可持续生产铬铁

IF 2.5 3区物理与天体物理 Q3 ENGINEERING, CHEMICAL

Plasma Chemistry and Plasma Processing Pub Date : 2025-04-28 DOI:10.1007/s11090-025-10564-1

Dale Tandersen, Abrar Taimullah, Izzul Islam, Baihaqi Hakim, Yerbolat Makhambetov, Yopi Hendrawan, Taufiq Hidayat, Zulfiadi Zulhan

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引用次数: 0

摘要

不锈钢具有良好的耐腐蚀性能，是日常生活中必不可少的材料之一。不锈钢中最重要的金属成分之一是铬，当它暴露在空气中时，会在不锈钢表面形成一层保护层。不锈钢生产中使用的铬通常来自铬铁，通过铬铁矿的碳热还原生产。该生产过程产生的二氧化碳排放量为5.4 tCO2-eq/t铬铁。氢等离子体熔炼还原（HPSR）已成为当代研究和发展的一个关键领域，以实现更可持续的金属生产。在这里，我们证明了HPSR可以在6分钟内从铬铁矿中生产出含50%铬的铬铁。生产的铬铁不含碳，这意味着不锈钢制造不需要AOD（氩氧脱碳）转炉，也不需要VOD（真空氧脱碳），从而缩短了工艺路线，使不锈钢制造更具可持续性。

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Rapid and Sustainable Ferrochrome Production from Chromite Ore by Hydrogen Plasma Smelting Reduction

Stainless steel is one of the most essential materials in daily life due to its corrosion-resistant properties. One of the vital metal components in stainless steel is chromium, which forms a protective layer on the surface of stainless steel when exposed to air. The chromium used in stainless steel production typically comes from ferrochrome, produced through chromite ore's carbothermic reduction. This production process results in CO₂ emissions of 5.4 tCO₂-eq/t ferrochrome. Hydrogen plasma smelting reduction (HPSR) has emerged as a critical area of contemporary research and development to achieve more sustainable metal production. Here, we show that HPSR can produce ferrochrome containing 50% chromium from chromite ore within 6 min. The ferrochrome produced contains no carbon, which means that no AOD (argon oxygen decarburization) converter nor VOD (vacuum oxygen decarburization) is required for stainless steel manufacturing, which leads to a shorter process route and more sustainable stainless steelmaking.

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来源期刊

Plasma Chemistry and Plasma Processing 工程技术-工程：化工

CiteScore

5.90

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Publishing original papers on fundamental and applied research in plasma chemistry and plasma processing, the scope of this journal includes processing plasmas ranging from non-thermal plasmas to thermal plasmas, and fundamental plasma studies as well as studies of specific plasma applications. Such applications include but are not limited to plasma catalysis, environmental processing including treatment of liquids and gases, biological applications of plasmas including plasma medicine and agriculture, surface modification and deposition, powder and nanostructure synthesis, energy applications including plasma combustion and reforming, resource recovery, coupling of plasmas and electrochemistry, and plasma etching. Studies of chemical kinetics in plasmas, and the interactions of plasmas with surfaces are also solicited. It is essential that submissions include substantial consideration of the role of the plasma, for example, the relevant plasma chemistry, plasma physics or plasma–surface interactions; manuscripts that consider solely the properties of materials or substances processed using a plasma are not within the journal’s scope.