Roles of particle packing and water coating thickness in carbonation and strength of γ-dicalcium silicate-based low carbon materials

Chen, Z.X.; Chu, Sharon Lynn; Ishak, Shafiq; Lee, H.S.; Zhao, Qingxin; Yoo, Doyoung

doi:10.1016/j.jclepro.2022.131735

Cited by 24 publications

(2 citation statements)

References 33 publications

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“…An examination of these works revealed that 3 papers (10%) utilized experimental methodology, 6 papers (21%) discussed the reported results and compared them with their findings, and 20 papers (69%) cited 1 or more of Dr. Santos’s papers in the introduction section of their papers to explain a concept (Table S1 in the Supporting Information). More details and discussion about these relevant studies ,,− are available in the Supporting Information file alongside other analyses on citation usage, publication sources, country, institutional collaboration analyses, and paper classification according to scientific disciplines and the United Nations Sustainable Development Goals. A scientometric analysis is a powerful tool for researchers to gauge the impact of their work and to connect with the broader scientific community beyond what other networking activities, such as conferences and webinars, allow.…”

Section: Scientometric Analysismentioning

confidence: 99%

Multiscale Process Intensification of Waste Valorization Reactions

Santos,

Zhang,

Bakhshoodeh

2023

Acc. Chem. Res.

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Conspectus The central theme of this Account is the development of intensified and sustainable chemical processes for the sequestration of CO2 in synergism with the utilization of wastes of industrial, urban, and agricultural origins. A challenge when working with solid waste–fluid reactions is that mass transfer limitations across solid–liquid, solid–gas, and gas–liquid interfaces and unfavorable thermodynamics lead to slow reaction rates, incomplete reaction conversions, high energy expenditure and processing costs, and inadequate product properties. The traditional macroscale approaches to overcoming slurry reaction limitations can be effective; however, they come at a cost to the environment. In the treatment or valorization of low-grade and waste resources, such conventional approaches are often unfeasible on an industrial scale. Sustainable solutions are thus needed. In the last six years, we have been exploring and developing approaches to overcoming reaction rate limitations of slurry reactions of environmental relevance by concurrently applying process intensification strategies and multiscale engineering approaches. The scientific approach has relied on laboratory-scale experiments to test and refine the devised multiscale process intensification strategies, with thermodynamic and computational modeling work supporting the experimental work and with advanced characterization techniques being used to elucidate reaction and transport mechanisms and aid the development of nanoscale reaction models and micro- and macroscale process models. The research streams, associated with the four key references, discussed next are (a) brine carbonation; (b) mineral carbonation and enhanced weathering; (c) process intensification and integration; and (d) characterization techniques. Within the four research streams, a number of mineral carbonation processes have been investigated and can be classified as (i) ambient weathering and carbonation; (ii) gas-(wet) solid accelerated carbonation; (iii) aqueous accelerated carbonation; (iv) supercritical accelerated carbonation; and (v) CO2 mineralization from brine. In some cases, the research was aimed at producing valuable products with reduced environmental risk or a reduced carbon footprint, such as an organomineral fertilizer and zeolites. In other cases, the aim was to assess the reactivity of minerals to match the right feedstock with the right carbonation process, in view of maximizing net carbon sequestration. There were also cases where the carbonation process was reimagined by the use of innovative reaction conditions, reactors, and reagents. The experience with accelerated weathering and carbonation in engineered processes has been translated into the field of enhanced rock weathering (ERW) in agriculture, where the multidisciplinary approach used has served to advance ERW science and technology in ways that have had a resounding effect on recent commercial deployment. The completed research serves to encourage the adoption of process intensification technologies ...

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Section: Scientometric Analysismentioning

confidence: 99%

Multiscale Process Intensification of Waste Valorization Reactions

Santos,

Zhang,

Bakhshoodeh

2023

Acc. Chem. Res.

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“…To address the environmental impact of mass production and the use of cement, scholars have been developing supplementary cementitious materials as a partial replacement for cement to enhance material performance while reducing cement consumption [7,8]. Some scholars have also researched materials with high CO 2 absorption and reactivity from the perspective of their reactivity with CO 2 and applied them to the construction field to mitigate the greenhouse effect [9,10]. Meanwhile, some scholars have used waste materials to produce admixtures and added them to various cement products to change the performance of cement to meet various engineering requirements [11].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on Ratio and Performance of Coal Gangue/Bottom Ash Geopolymer Double-Liquid Grouting Material

Zhao¹,

Sun²,

Cao³

et al. 2023

Journal of Renewable Materials

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Mine grouting reinforcement and water plugging projects often require large amounts of grouting materials. To reduce the carbon emission of grouting material production, improve the utilization of solid waste from mining enterprises, and meet the needs of mine reinforcement and seepage control, a double-liquid grouting material containing a high admixture of coal gangue powder/bottom ash geopolymer was studied. The setting time, fluidity, bleeding rate, and mechanical properties of grouting materials were studied through laboratory tests, and SEM analyzed the microstructure of the materials. The results show that the total mixture of calcined gangue does not exceed 60%. And the proportion of bottom ash replacing cement should be within 30%. At the same time, the volume mixture of sodium silicate is 20%. And the water-solid ratio does not exceed 0.6. The stability of the slurry prepared under this ratio is good. The microstructure of the stone body is dense, and its strength can meet the requirements of rock reinforcement and seepage control. Its economic and environmental benefits are more significant than the traditional cement-silicate double-liquid grouting material.

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A Review on Hybrid Fiber-Reinforced Self-compacting Concrete: Properties & Challenges

Dahake,

Shinde

2024

Iran J Sci Technol Trans Civ Eng

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Roles of particle packing and water coating thickness in carbonation and strength of γ-dicalcium silicate-based low carbon materials

Cited by 24 publications

References 33 publications

Multiscale Process Intensification of Waste Valorization Reactions

Multiscale Process Intensification of Waste Valorization Reactions

Experimental Study on Ratio and Performance of Coal Gangue/Bottom Ash Geopolymer Double-Liquid Grouting Material

A Review on Hybrid Fiber-Reinforced Self-compacting Concrete: Properties & Challenges

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