2010
DOI: 10.1016/j.jclepro.2009.08.002
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A case study on raw material blending for the recycling of ferrous wastes in a blast furnace

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Cited by 34 publications
(12 citation statements)
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“…In addition, production of DRI by heat treatment might also contribute to significant reduction of Zn, which enables recycling of by-products with low Zn-contents in the blast furnace. [8][9][10][11][12][13] In fact, BOF-sludge and BF-sludge in combination with carbon-containing materials such as BF-dust in agglomerates have not been investigated previously. The possibilities to produce agglomerates with chemical-and physical properties suitable for self-reduction need to be studied.…”
Section: Reduction Behaviour Of Self-reducing Blends Of In-plant Finementioning
confidence: 99%
“…In addition, production of DRI by heat treatment might also contribute to significant reduction of Zn, which enables recycling of by-products with low Zn-contents in the blast furnace. [8][9][10][11][12][13] In fact, BOF-sludge and BF-sludge in combination with carbon-containing materials such as BF-dust in agglomerates have not been investigated previously. The possibilities to produce agglomerates with chemical-and physical properties suitable for self-reduction need to be studied.…”
Section: Reduction Behaviour Of Self-reducing Blends Of In-plant Finementioning
confidence: 99%
“…The possibility to combine flowsheeting models and multi-criteria decision support systems for implementing recycling measures in the iron and steel industry has been discussed in [12,13]. The determination of an optimal blending of residues was also investigated in [14] by considering material composition and market prices to carry out sensitivity analyses. Process flowsheets global optimisation and multicriteria process analysis and synthesis for a parallel economical and sustainability evaluation are presented in [15,16].…”
Section: Introductionmentioning
confidence: 99%
“…The example shows how the main process steps and reaction zones from the Waelz kiln process are represented by one, or a set of, unit operations. A more detailed description of the processes and the derived simulation models can be found in the work of Fröhling and colleagues ().…”
Section: Methodological Approachmentioning
confidence: 99%
“…They base their work on mass balances calculated with linear distribution coefficients. More promising for the scope of this article are the approaches followed by Fröhling and Rentz () and Fröhling and colleagues () for the operational planning of a single plant, the DK process, and multiple recycling sites of the Waelz process. In these approaches, the individual processes are modeled with flowsheet simulation.…”
Section: Related Literaturementioning
confidence: 99%