Name: An Experimental Assessment of the Use of Zinc Contaminated Dusts for Direct Reduced Iron (DRI) Production (en Inglés)
Price: 159.44 PEN
Availability: InStock
Author: Barron, Andrew ; Stewart, Daniel
ISBN: 9781446775608

portada An Experimental Assessment of the Use of Zinc Contaminated Dusts for Direct Reduced Iron (DRI) Production (en Inglés)

An Experimental Assessment of the Use of Zinc Contaminated Dusts for Direct Reduced Iron (DRI) Production (en Inglés)

Formato

Libro Físico

Autor

Daniel Stewart

Andrew Barron

Editorial

Lulu.com

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

22.9 x 15.2 x 0.6 cm

Peso

0.19 kg.

ISBN13

9781446775608

Categorías

Ciencia de materiales

An Experimental Assessment of the Use of Zinc Contaminated Dusts for Direct Reduced Iron (DRI) Production (en Inglés)

Daniel Stewart (Autor) · Andrew Barron (Autor) · Lulu.com · Tapa Blanda

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Reseña del libro "An Experimental Assessment of the Use of Zinc Contaminated Dusts for Direct Reduced Iron (DRI) Production (en Inglés)"

Basic oxygen steelmaking (BOS) dust and blast furnace (BF) dust from former and currently operating steelmaking facilities in the United Kingdom have been characterized by MP-AES, SEM-EDX, particle size analysis, TGA-DSC, combustion analysis, and powder XRD. As part of a circular economy these materials are a potentially valuable raw material source for ironmaking, but their contamination with zinc precludes their recycling via the conventional sinter plant/BF route. X-ray diffraction suggested some of the zinc present in the material is in the form of sub-stoichiometric zinc ferrites, making hydrometallurgical separation less effective. BF dust contains 40 wt.% levels of fixed carbon indicating it could be useful as an alternative reductant in rotary hearth furnace processes such as FASTMET. The rotary hearth furnace appears to be the most suited separation technique available due to its lack of sensitivity to zinc present in zinc ferrite compounds, and reintegration of the recovered iron into the steelmaking process. Benchmarking of material from Port Talbot material processed in laboratory furnace trials under conditions mimicking the RHF showed that while volatile metal removal and iron reduction performance is adequate for recycling at realistic RHF temperatures and hold times, the high sulfur and gangue content mean the produced DRI would not be valuable enough to offset production costs.