Comparison of Compressive Strength of Fly Ash Bonded Flue Dust Briquettes with that of Briquettes made with Bentonite, Sodium Silicate, Lime, Starch, Pitch, Molasses and Dextrin Binder

Das, Ritwik; Mondal, Manas Kumar; Pramanik, Susanta

doi:10.1007/s12666-022-02829-6

Cited by 1 publication

(4 citation statements)

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“…The laboratory-grade Fe 2 O 3 fines (purity ≥ 98%) were bought from Merck Specialities Private Limited. The composition of the raw materials, such as flue dust, fly ash, and Iron ore fines, is shown in Table 1 [30]. The size analysis of the raw materials is shown in Table 2.…”

Section: Methodsmentioning

confidence: 99%

“…The raw materials were taken to manufacture the composite briquette with the variation of fly ash binder quantity, fly ash particle size, and the briquetting pressure to understand the effect of such variables on the strength of cured composite briquettes [30]. The raw materials were mixed in a rotating apparatus for 3 h. The composite briquettes were manufactured for all compositions keeping a fixed mass of 20 gm [30,31]. The dimension of the cylindrical briquette on average is 2.5 cm in height and 2 cm in diameter [30,31].…”

Section: Methodsmentioning

confidence: 99%

“…The raw materials were mixed in a rotating apparatus for 3 h. The composite briquettes were manufactured for all compositions keeping a fixed mass of 20 gm [30,31]. The dimension of the cylindrical briquette on average is 2.5 cm in height and 2 cm in diameter [30,31]. All the samples were cured in a muffle furnace at a specified temperature after which the compressive strength was measured.…”

Section: Methodsmentioning

confidence: 99%

“…The raw materials for manufacturing composite briquettes are flue dust, laboratory-grade Fe 2 O 3 fines, and fly ash [30]. The main source of flue dust and fly ash is the blast furnace dust catchers and ash collection unit of the thermal power plant.…”

Section: Raw Materialsmentioning

confidence: 99%

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Enhancement of strength of blast furnace flue dust – iron oxide – fly ash composite briquette using ANOVA-based mathematical model

Das

Mondal

Pramanik

2023

Ironmaking & Steelmaking

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Utilisation of by-products of an integrated steel plant improves productivity with diverse mix of raw materials used for iron making. The strength of a briquette made with Blast furnace flue dust and iron oxide with fly ash as a binder depends upon the briquetting pressure, particle size of fly ash, fly ash quantity, and curing temperature. In this study, the effect of process variables on the strength was investigated with ANOVA. The correlation between the process parameters and the strength was examined experimentally and RSM-based optimisation was performed during the preparation of briquettes. The RSM provided optimisation with a confidence level of 95% using the CCD design. This paper demonstrates the correlation between applied pressure, particle size, fly ash quantity, and curing temperature. The developed mathematical model would help in predicting the variation in the compressive strength with the change in the level of different parameters. This model can be useful for setting the optimum value of the parameters for achieving the target compressive strength.

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Section: Methodsmentioning

confidence: 99%