Environmental, economic and engineering performances of aqueous carbonated steel slag powders as alternative material in cement pastes: Influence of particle size (Record no. 55157)

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003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625162500.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-21079
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245 10 - TITLE STATEMENT
Title Environmental, economic and engineering performances of aqueous carbonated steel slag powders as alternative material in cement pastes: Influence of particle size
490 0# - SERIES STATEMENT
Volume/sequential designation Science of The Total Environment, 903, p.166210, 2023
520 3# - SUMMARY, ETC.
Summary, etc. The low reactivity and volume expansion issue of steel slag limits its application as alternative to cement. Studies demonstrated that aqueous carbonation (AC)can enhance the cementitious properties of finely sized steel slag as a cementitious supplementary material (SCM). However, the impact of particle size on the CO2 uptake capacity and its association of performance of carbonated steel slag remains unexplored. This study aims to optimize the grinding levels by examining the fineness of the steel slag used as SCM to reduce the high-energy consumption while maintaining the CO2 sequestration and properties of SCM. The results show that reducing the size of steel slag is favorable for CO2 sequestration (particle size 22.4-112.6 ?m corresponds to sequestration of ?88.5-37.9 kg CO2/t steel slag)and improve the leaching of Mg ions for mineralization. The life cycle assessment shows that the global warming potential of AC of steel slag is ?96.2-24.9 kg CO2-eq/t steel slag, which can offset the carbon emissions due to further grinding. The 28-day compressive strength of the cement pastes blended with finer carbonated steel slag was also relatively higher due to the formation of mono-carboaluminates and stabilization of ettringite in facilitating the bond strength between the carbonated steel slag particle and the cement paste matrix. According to 3E (engineering, environmental and economic)triangle model, 22.4 ?m steel slag powder showed the best comprehensive performance, including an increased revenue of 40.8 CNY/ton steel slag.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element AQUEOUS CARBONATION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CEMENT PASTE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element COMPREHENSIVE PERFORMANCE ASSESSMENT
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element PARTICLE SIZE EFFECT
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element STEEL SLAG
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Li, X.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Mehdizadeh, H.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Ling, T. C.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/open?id=1W6lhNQwaOE8A-1GZArXqkkaqwyx_atVq&usp=drive_copy">https://drive.google.com/open?id=1W6lhNQwaOE8A-1GZArXqkkaqwyx_atVq&usp=drive_copy</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-21079 25.06.2025 25.06.2025 Documentos solicitados