Characterization and In Situ Abatement of SOx, NOx, and PCDD/Fs in Iron Ore Sinter Machine Wind Legs

Angalakuditi, Veera Brahmacharyulu; Gujare, Ramarao; Anbarasu, R.; Gandikoti, Thimmappa; Raydurg, Srinivas Rao; Singh, Lokendra Raj; Baral, Saroj Sundar

doi:10.1007/s40831-022-00524-w

Cited by 4 publications

(3 citation statements)

References 16 publications

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“…Most of the atmospheric pollutants released come from the iron and steel industry, and more than 42% of the dust, 65% of the SO 2 , and 55% of the NO x are emitted as exhaust gas pollutants during the sintering process. The S and N content in fossil fuels is high and a large amount of SO 2 and NO x is released during iron ore sintering [3,4].…”

Section: Introductionmentioning

confidence: 99%

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Coke Substitution with Anthracite in Sintering Production

Pustejovska,

Sikora,

Jursova

et al. 2024

Processes

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This article summarises the possibility of replacing the coke breeze sintering fuel with an economically and ecologically more suitable fuel, anthracite. The main focus is on the possibility of replacing coke breeze with anthracite, during which, the replacement process is accelerated and the other properties are also affected. The analyses performed showed that the replacement of coke breeze with different amounts of anthracite does not have a negative effect if the initial permeability of the sintering bed is the same.

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Section: Introductionmentioning

confidence: 99%

“…The faster combustion reactivity of anthracite leads to a higher maximum temperature and a shorter sintering time. When using anthracite, the strength of the sinter increased in the 0.5-6.3% fraction [4,8]. Total pig iron production in the European Union (EU) from 2010 to 2022 in million metric tons [9].…”

Section: Introductionmentioning

confidence: 99%

Coke Substitution with Anthracite in Sintering Production

Pustejovska,

Sikora,

Jursova

et al. 2024

Processes

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“…Chlorine in the raw materials generates KCl and polychlorinated di-benzo dioxins/furans (PCDD/Fs). Interested readers may refer to our earlier research [ 7 ]. CO 2 emissions appear blue [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Contents of the Stack Emissions of Iron Ore Sinter Plants With and Without Bag Filter

Angalakuditi

Bappakan

Karre

et al. 2023

J. Sustain. Metall.

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This investigation aims to identify the reasons for the plumes' visibility, compare the stacks with other sinter plant stacks worldwide, and suggest countermeasures to completely stop the visibility of emissions. The appearance of the sinter plant stack emission changes with time and the background color of the sky due to the scattering effect of the sunlight and incidence angle. The flue gas samples were collected at the outlet of the emission control equipment and observed under optical and scanning electron microscopes. The characterization was performed with the help of an electron dispersive spectroscope and mapping technique. The contents of the stack of a sinter plant without a bag filter had much higher levels of PM 10 , SO 2, and NO x . The emissions from all the sinter plants were invariably found to have particulates of SO 2 and NO x of size less than 2.5 microns. It is suggested to opt for state-of-the-art fabric filter technology to eliminate PM 2.5 emissions also. Graphical Abstract

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