Recent progress in sustainable and energy-efficient technologies for sinter production in the iron and steel industry

Zhilong Cheng, Zhoutuo Tan, Zhigang Guo, Jian Yang and Qiuwang Wang

Renewable and Sustainable Energy Reviews, 2020, vol. 131, issue C

Abstract: Large amounts of iron ore sinter are produced throughout the world. The development of sustainable and energy-efficient technologies has become increasingly important due to the huge pressure associated with energy consumption and greenhouse gases emissions by iron ore sinter plants. This review describes recent progress in the substitution of renewable alternative fuels, modifying the properties of solid fuels and reactant gases, and process control implementation, as well as addressing the limitations of these techniques and identifying opportunities for future research. Alternative fuels are examined including biomass, hydrogen-based gaseous fuel, and recycled carbon sources for coke breeze in iron ore sintering to address environmental and energy-saving considerations. The negative impacts of alternative fuel substitution on the heat pattern and sinter quality, especially at a high substitution rate, are analyzed in terms of the fuel surface area, fuel reactivity, and matching the performance of the flame front speed and heat front speed. Pre-granulation and surface modifications of solid fuels are discussed, followed by flue gas recirculation and oxygen enrichment techniques. Finally, processes comprising raw material granulation control, fuel segregation control, and in situ process control are described, which aim to satisfy the ambitious goals of maximizing the sintering performance and minimizing energy consumption and environmental impacts.

Keywords: Sustainable and energy-efficient production; Iron ore sintering; Greenhouse gas emission; Renewable alternative fuels; Flue gas recirculation; Oxygen enrichment; Process control (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (10)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S1364032120303257
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:rensus:v:131:y:2020:i:c:s1364032120303257

Ordering information: This journal article can be ordered from
http://www.elsevier.com/wps/find/journaldescription.cws_home/600126/bibliographic
http://www.elsevier. ... 600126/bibliographic

DOI: 10.1016/j.rser.2020.110034

Access Statistics for this article

Renewable and Sustainable Energy Reviews is currently edited by L. Kazmerski

More articles in Renewable and Sustainable Energy Reviews from Elsevier
Bibliographic data for series maintained by Catherine Liu ().