Life cycle assessment of blast furnace ironmaking processes: A comparison of fossil fuels and biomass hydrochar applications

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Liang, WangUniv Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China.;Swerim AB, SE-97125 Luleå, Sweden. (author)

Life cycle assessment of blast furnace ironmaking processes : A comparison of fossil fuels and biomass hydrochar applications

Article/chapterEnglish2023

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Elsevier BV,2023
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LIBRIS-ID:oai:DiVA.org:kth-327193
https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-327193URI
https://doi.org/10.1016/j.fuel.2023.128138DOI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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QC 20230523
The impact of the iron and steel production process on the ecological environment cannot be ignored. This study aims to assess the impact of life cycle assessment on the traditional fossil fuel blast furnace ironmaking process and the biomass hydrochar blast furnace ironmaking process. The Simapro v9.0 software is used to comprehensively evaluate the life cycle impacts of biomass hydrochar in the blast furnace ironmaking process. The results show that the life cycle impact categories of the blast furnace ironmaking process mainly include global warming, non-renewable energy and respiratory inorganics. The global warming impact of the ironmaking process using hydrochar is 2054.00 kg CO2 eq, which is 420.61 kg CO2 eq less than that of traditional blast furnace ironmaking process. The global warming impact is mainly reflected in the emission of CO2 gas, and the main source is the generation of blast furnace gas and the use of sinter. The respiratory inorganics impact is mainly manifested in the emission of nitrogen oxides, sulfur oxides and particulates, which mainly comes from the mining of iron ore and the production of sinter. The non-renewable energy impact mainly comes from the coal resources, and the use of other renewable energy such as biomass energy is an important way to reduce the impact. Therefore, biomass hydrochar used in the metallurgical process is more suitable for sustainable devel-opment of the ecological environment.

Subject headings and genre

TEKNIK OCH TEKNOLOGIER Materialteknik Metallurgi och metalliska material hsv//swe
ENGINEERING AND TECHNOLOGY Materials Engineering Metallurgy and Metallic Materials hsv//eng
Blast furnace ironmaking
Biomass hydrochar
Simapro
Life cycle assessment
Global warming

Added entries (persons, corporate bodies, meetings, titles ...)

Wang, GuangweiUniv Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China. (author)
Xu, RunshengUniv Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China. (author)
Ning, XiaojunUniv Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, GuanZhuang Campus, Beijing 100083, Peoples R China. (author)
Zhang, JianliangUniv Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China.;Univ Queensland, Sch Chem Engn, St Lucia, Qld 4072, Australia. (author)
Guo, XingminUniv Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China. (author)
Jiang, ChunheUniv Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China. (author)
Wang, ChuanKTH,Materialvetenskap,Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Swerim AB, SE-97125 Luleå, Sweden.(Swepub:kth)u1w61o9f (author)
Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China.;Swerim AB, SE-97125 Luleå, Sweden.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China.;Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China. (creator_code:org_t)

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