Effect of accelerated carbonation on AOD stainless steel slag for its valorisation as a CO2-sequestering construction material

Salman, Muhammad; Çizer, Özlem; Pontikes, Yiannis; Santos, Rafael M.; Snellings, Ruben; Vandewalle, Lucie; Blanpain, Bart; Balen, Koen Van

doi:10.1016/j.cej.2014.02.051

Cited by 138 publications

(51 citation statements)

References 42 publications

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“…The CO 2 uptake was 10-15 %. Salman et al [37] made similar compacts of AOD slag that reached compressive strengths of 34 MPa after 3 weeks in a carbonation chamber at atmospheric pressure with 5% CO 2 , and 59.8 MPa after 15 hours in a carbonation reactor at 8 bar CO 2 and 80°C.…”

Section: Case 2: Carbonate Bonded Compactsmentioning

confidence: 99%

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Carbonate-bonded construction materials from alkaline residues

Nielsen¹,

Baciocchi²,

Costa³

et al. 2017

RILEM Tech Lett

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Accelerated carbonation is a rapidly developing technology that is attracting attention as it uses CO 2 as a binder to make construction materials. Originally stemming from geochemical and environmental research into CO 2 sequestration or waste remediation, accelerated carbonation has been developed into a technology that enables to transform alkaline precursors into products that meet technical requirements for use as aggregates or shaped blocks. Alkaline precursors can be manufactured from primary resources or derived from industrial residues: a.o. metallurgical slags, incineration ashes and concrete recycling residues are prone to carbonate under controlled conditions. Moist carbonation of shaped Ca-silicate rich precursors at elevated curing temperature and CO 2 concentration or pressure has delivered the most promising results so far. This letter presents an overview of current accelerated carbonation approaches to make carbonate-bonded construction materials from alkaline residues. The general carbonation mechanism is explained and two application routes are exemplified: i.e. production of lightweight aggregates and compact blocks by accelerated moist carbonation.

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Section: Case 2: Carbonate Bonded Compactsmentioning

confidence: 99%

“…Far fewer research has been carried out with the purpose of using accelerated carbonation to make construction materials [17,[35][36][37]. Tables 1 and 2 summarize reports in the scientific literature on accelerated carbonation as a means to produce carbonate bonded blocks (Table 1) and aggregates (Table 2) from alkaline residues.…”

Section: Precursors and Comentioning

confidence: 99%

Carbonate-bonded construction materials from alkaline residues

Nielsen¹,

Baciocchi²,

Costa³

et al. 2017

RILEM Tech Lett

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“…It has been observed that the carbonated SS can potentially be used as partial cement replacement materials (Liang et al, 2012;Salman et al, 2014). However, in order to make exsitu carbonation more economically feasible, a breakthrough on the use of carbonated solid wastes or products should be sought in the areas of technology, regulation, institution and finance.…”

Section: Cost Evaluation and Energy Consumptionmentioning

confidence: 99%

“…The wastewater generated in the same industries also can be introduced for the carbonation process to avoid the use of freshwater resources. After carbonation, the slurry is separated into (Teir et al, 2007;Reddy et al, 2010;Sanna et al, 2012a;Abo-El-Enein et al, 2013;Dri et al, 2013;Hekal et al, 2013;Muriithi et al, 2013;Santos et al, 2013b, c;Dri et al, 2014;Jo et al, 2014;Reynolds et al, 2014;Salman et al, 2014;Santos et al, 2014;Ukwattage et al, 2014). carbonated solid wastes and liquid solution.…”

Section: Types Of Carbonation Processesmentioning

confidence: 99%

An Innovative Approach to Integrated Carbon Mineralization and Waste Utilization: A Review

Pan

Chiang

Chang

et al. 2015

Aerosol Air Qual. Res.

101

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Carbon dioxide (CO 2 ) emission reduction in industry should be a portfolio option; for example, the carbon capture and utilization by mineralization (CCUM) process is a feasible and proven technology where both CO 2 capture and alkaline waste treatment occur simultaneously through an integrated approach. In this study, the challengeable barriers and significant breakthroughs of CCUM via ex-situ carbonation were reviewed from both theoretical and practical perspectives. Recent progress on the performance of various carbonation processes for different types of alkaline solid wastes was also evaluated based on CO 2 capture capacity and carbonation efficiency. Moreover, several process intensification concepts such as reactor integration and co-utilization with wastewater or brine solution were reviewed and summarized. In addition, the utilization of carbonated products from CCUM as green materials including cement, aggregate and precipitate calcium carbonate were investigated. Furthermore, the current status of worldwide CCUM demonstration projects within the ironand steelmaking industries was illustrated. The energy consumption and cost analyses of CCUM were also evaluated.

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“…Several studies have been carried out to evaluate the effect of carbonation curing on the properties of blended cement and/or (Teir et al, 2007;Reddy et al, 2010;Sanna et al, 2012;Abo-El-Enein et al, 2013;Dri et al, 2013;Hekal et al, 2013;Muriithi et al, 2013;Santos et al, 2013a;Dri et al, 2014;Jo et al, 2014;Reynolds et al, 2014;Salman et al, 2014;Santos et al, 2014;Fujii et al, 2015;Ukwattage et al, 2015). concrete masonry (El-Hassan and Shao, 2015).…”

Section: Integrated Alkaline Wastes Treatment With Co 2 Fixation and mentioning

confidence: 99%

Challenges and Perspectives on Carbon Fixation and Utilization Technologies: An Overview

Ping

Pan

Pei

et al. 2016

Aerosol Air Qual. Res.

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This paper provides an overview of state-of-the-art carbon fixation and utilization technologies. Several carbon capture processes, such as chemical absorption and chemical looping, are reviewed and illustrated. In addition, various types of chemicals and fuels that can be produced using concentrated CO 2 (or other forms) through physical, chemical, or enhanced biological methods are presented. Among those carbon conversion methods, two promising approaches, i.e., microalgae ponds and accelerated carbonation using alkaline solid wastes, are reviewed in detail. Microalgae are fast-growing and ubiquitous photosynthetic organisms, which are rich in protein and can be converted to biodiesel fuel. They have been recognized as an alternative feedstock not only because they use CO 2 from the atmosphere but also due to their high lipid content per biomass compared to other plants. In this study, for the microalgae technologies, the principles and applications of open pond systems are discussed in terms of both technological and economic considerations. The important operation parameters affecting productivity of microalgae, including light intensity, temperature, mixing, CO 2 delivery, accumulation of dissolved oxygen, and salinity are summarized. On the other hand, accelerated carbonation technologies are an attractive and feasible approach to integrating alkaline solid waste treatment with CO 2 fixation and utilization. In this study, the performance of various carbonation processes is critically reviewed from the perspectives of process design, energy consumption, and environmental benefits. The carbonated solid product can also be used as supplementary cementitious materials in a blended cement or concrete block. Accordingly, the performance of cement pastes with carbonated product, in terms of workability and strength development, are evaluated from the cement chemistry point of view. Cement manufacturing is an energy and material intensive process, with high annual production. It is noted that, through the accelerated carbonation process, significant indirect environmental benefits can be realized.

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Effect of accelerated carbonation on AOD stainless steel slag for its valorisation as a CO2-sequestering construction material

Abstract: Effect of accelerated carbonation on AOD stainless steel slag for its valorisation as a CO 2-sequestering construction material,

Cited by 138 publications

References 42 publications

Carbonate-bonded construction materials from alkaline residues

Carbonate-bonded construction materials from alkaline residues

An Innovative Approach to Integrated Carbon Mineralization and Waste Utilization: A Review

Challenges and Perspectives on Carbon Fixation and Utilization Technologies: An Overview

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