Typical case of carbon capture and utilization in Chinese iron and steel enterprises: CO2 emission analysis

Feng, Chao; Zhu, Rong; Wei, Guangsheng; Dong, Kai; Dong, Jianfeng

doi:10.1016/j.jclepro.2022.132528

Cited by 18 publications

(8 citation statements)

References 49 publications

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“…In analysing the CO 2 emissions resulting from both top and bottom re-blowing of the converter, Feng 18 highlighted significant challenges. These challenges stem from the complexities involved in accurately quantifying CO 2 emissions during the transportation process of certain raw materials and variations in processes and equipment upstream.…”

Section: Calculation Of Co2 Emissionsmentioning

confidence: 99%

“…Key indirect CO 2 emissions within the defined system boundary stem from the consumption of energy resources such as electricity, water, oxygen, nitrogen, argon, and CO 2 . Feng 18 emphasised that these energy resources are typically generated through processes involving electricity, which itself does not inherently contain carbon. Consequently, calculating the CO 2 emissions associated with these resources requires conversion using the CO 2 emissions factor of electricity.…”

Section: Calculation Of Co2 Emissionsmentioning

confidence: 99%

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Analysis of Carbon Dioxide Emissions in Bottom-blowing O₂-CO₂-CaO Process in Basic Oxygen Furnace Steelmaking

Ren,

Dong,

Feng

et al. 2024

Ironmaking & Steelmaking: Processes, Products and Applicati

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The O2-CO2-CaO process, which blows the lime powder from the bottom, offers significant advantages in terms of reducing the consumption of raw and auxiliary materials while improving steel quality. This study examines the carbon dioxide (CO2) emissions associated with four different converter smelting processes, using industrial test production data from nearly 1000 furnaces in a steel plant. This is the first comprehensive analysis of CO2 emissions for these processes and quantifies the CO2 emissions reduction potential of the bottom-blowing O2-CO2-CaO process. The study shows a significant difference in CO2 emissions between the duplex and conventional smelting processes, with the former exhibiting significantly higher emissions. The application of bottom-blowing O2-CO2-CaO process led to a decrease of 24.6 kgCO2/t in the duplex converter smelting process and 30.1 kgCO2/t in the conventional smelting process.

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Section: Calculation Of Co2 Emissionsmentioning

confidence: 99%

Section: Calculation Of Co2 Emissionsmentioning

confidence: 99%

Analysis of Carbon Dioxide Emissions in Bottom-blowing O₂-CO₂-CaO Process in Basic Oxygen Furnace Steelmaking

Ren,

Dong,

Feng

et al. 2024

Ironmaking & Steelmaking: Processes, Products and Applicati

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“…[16][17][18][19] In terms of CO 2 emissions, carbon capture, utilization, and storage (CCUS) technology is also an important solution. [19][20][21][22][23] Through CCUS technology, metallurgical enterprises can capture and store or utilize CO 2 from emission sources to reduce the concentration of carbon dioxide in the atmosphere. In the study of Ahmed I. Osman, [19] Wei-Hang Xie, [24] Wanlin Gao, [25] and others, various capture and utilization methods of industrial CO 2 were reviewed and analyzed, and their development status and prospect challenges were summarized.…”

Section: Introductionmentioning

confidence: 99%

Study on the Catalytic Effect of Converter Dust on In Situ Online Reforming of Metallurgical By‐Product Gas and Thermochemical Energy Storage Analysis

Sui,

Ren,

Wang

et al. 2024

Energy Tech

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In situ online reforming of converter gas and coke oven gas is realized by injecting coke oven gas into converter flue. This process utilizes methane dry reforming reaction to achieve heat energy recovery and CO2 capture and utilization. Moreover, the converter flue provides an excellent thermodynamic, kinetic, and catalytic environment. Experiments show that converter dust greatly improves the conversion rate of CH4 and CO2, and increases with the increase of the addition of converter dust. The conversion of CH4 reaches above 80% at 1150 °C, which is about 40% higher than that without catalyst. The CO2 conversion is more than 85% at 1150 °C, while it is only about 50% without catalysis. In addition, through the study of the main components of converter dust, the order of promoting CH4 decomposition is: Fe > Fe3O4≈CaO > FeO; the order of promoting effect on C–CO2 reaction is: Fe3O4 > CaO > FeO > Fe. Finally, the reforming energy storage is calculated by thermodynamic calculation and experimental data. The reforming energy storage of tonne crude steel is about 159.589 MJ, accounting for 44.5% of the total physical heat energy of converter flue gas, and CO2 emission reduction in converter flue gas is more than 50%.

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“…It is estimated that 1.4-2.2 tons of CO 2 were emitted per ton of steel produced in 2018, which is translated into ca. 7-8% of global CO 2 emissions [2][3][4][5][6]. The manufacturing of steel requires temperatures usually higher than 1600 • C and specific operating conditions, such as reductive atmospheres, which cannot be met with electricity.…”

Section: Introductionmentioning

confidence: 99%

“…These CO 2 emissions could be reduced by replacing fossil-based coke with biochar that can be obtained from solid biomass. The total long-term solid biomass potential in the EU is estimated to be 913 million m 3 [8].…”

Section: Introductionmentioning

confidence: 99%

Techno-Economic Feasibility of Biomass Gasification for the Decarbonisation of Energy-Intensive Industries

Guerrero,

Sala,

Fresneda-Cruz

et al. 2023

Energies

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The current climatic and geopolitical situation leads to strong decarbonisation policies in several industries worldwide. Moreover, the European Union is pushing intensive industries to achieve a 55% reduction in CO2 emissions towards 2030. Among them, the steel manufacturing sector is at the lead of alternative projects that can help achieve this ambitious target. Co-production of syngas and biochar is one potential solution for this sector. Herein, a techno-economic analysis is provided to evaluate the economic feasibility and the effect of the most influential parameters for a successful deployment. A bibliographic review has been carried out to establish a clear baseline for such an analysis in terms of investment costs at several scales for gasification projects. Additionally, the cost evolution for coke, natural gas, and CO2 emission credits on the profitability of these projects are given. The case scenario processing 20,000 tbiomass/y is the most feasible solution, with a payback of around three years and a net present value (NPV) of around 15 million EUR, showing that biomass gasification can be an up-and-coming alternative in the mid-term.

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Typical case of carbon capture and utilization in Chinese iron and steel enterprises: CO2 emission analysis

Cited by 18 publications

References 49 publications

Analysis of Carbon Dioxide Emissions in Bottom-blowing O₂-CO₂-CaO Process in Basic Oxygen Furnace Steelmaking

Analysis of Carbon Dioxide Emissions in Bottom-blowing O₂-CO₂-CaO Process in Basic Oxygen Furnace Steelmaking

Study on the Catalytic Effect of Converter Dust on In Situ Online Reforming of Metallurgical By‐Product Gas and Thermochemical Energy Storage Analysis

Techno-Economic Feasibility of Biomass Gasification for the Decarbonisation of Energy-Intensive Industries

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Typical case of carbon capture and utilization in Chinese iron and steel enterprises: CO2 emission analysis

Cited by 18 publications

References 49 publications

Analysis of Carbon Dioxide Emissions in Bottom-blowing O2-CO2-CaO Process in Basic Oxygen Furnace Steelmaking

Analysis of Carbon Dioxide Emissions in Bottom-blowing O2-CO2-CaO Process in Basic Oxygen Furnace Steelmaking

Study on the Catalytic Effect of Converter Dust on In Situ Online Reforming of Metallurgical By‐Product Gas and Thermochemical Energy Storage Analysis

Techno-Economic Feasibility of Biomass Gasification for the Decarbonisation of Energy-Intensive Industries

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Product

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Analysis of Carbon Dioxide Emissions in Bottom-blowing O₂-CO₂-CaO Process in Basic Oxygen Furnace Steelmaking

Analysis of Carbon Dioxide Emissions in Bottom-blowing O₂-CO₂-CaO Process in Basic Oxygen Furnace Steelmaking