Results 41 to 50 of about 17,383 (227)

Thermal stability and leaching behavior of alkali-activated slag doped with electric arc furnace dust [PDF]

Science of Sintering
The study presented in this paper explores the simultaneous valorization of electric arc furnace slag (EAFS) and electric arc furnace dust (EAFD) through an alkali activation process, as well as the thermal stability of the resulting product.
Tadić Nebojša, Brašanac-Vukanović Snežana, Nikolić Irena, Radmilović Vuk V., Radmilović Velimir R.   +4 more
doaj   +1 more source

Microstructure and porosity evolution of alkali activated slag at various heating temperatures

Journal of Materials Research and Technology, 2020
This paper elucidated the microstructural and porosity evolution of alkali activated slag at 800 °C up to 1200 °C. The microstructural analysis obtained shows the changes in surface densification of glassy phase and nucleation of dynamical grains within ...
Ikmal Hakem Aziz, Mohd Mustafa Al Bakri Abdullah, M.A.A. Mohd Salleh, Sorachon Yoriya, Jitrin Chaiprapa, Catleya Rojviriya, Long Yuan Li   +6 more
doaj   +1 more source

Nucleation and growth rate determination on alkali-activated slag under various sodium hydroxide molarity [PDF]

Archives of Civil Engineering
Alkali-activated slag has been noted as one of potential alternatives to the ordinary Portland cement due to its properties including high early strength performance and capability of ambient curing.
Rosnita Mohamed, Rafiza Abd Razak, Mohd Mustafa Al Bakri Abdullah, Shayfull Zamree Abd Rahim, Nurul Aida Mohd Mortar, Liyana Jamaludin, Marcin Nabialek   +6 more
doaj   +1 more source

Effect of curing time on the chloride diffusion of alkali-activated slag

Case Studies in Construction Materials, 2022
Resistance to chloride penetration plays a crucial role in preventing premature corrosion of reinforced concrete in marine environments or when using de-icing salts.
Antonino Runci, Marijana Serdar
doaj   +1 more source

Mechanical performance of glass-based geopolymer matrix composites reinforced with cellulose fibers [PDF]

, 2018
Glass-based geopolymers, incorporating fly ash and borosilicate glass, were processed in conditions of high alkalinity (NaOH 10-13 M). Different formulations (fly ash and borosilicate in mixtures of 70-30 wt% and 30-70 wt%, respectively) and physical ...
Bernardo, Enrico, Dlouhy, Ivo, Taveri, Gianmarco   +2 more
core   +2 more sources

Influence of slag composition on the stability of steel in alkali-activated cementitious materials [PDF]

, 2017
Among the minor elements found in metallurgical slags, sulfur and manganese can potentially influence the corrosion process of steel embedded in alkali-activated slag cements, as both are redox-sensitive.
A Allahverdi, A Brückner, A Gruskovnjak, A Gruskovnjak, A Roy, A Vignes, ASTM C109/C109M-16a, ASTM C876–15, B Lothenbach, B Lothenbach, BS 4449:2005+A3:2016, BS EN 196-1:2016, BS EN 196-6:2010, C Andrade, C Monticelli, C Vernet, CM Hansson, D Fuente de la, D John, D Larroumet, DM Bastidas, F Glasser, F Tang, H Böhni, H Ma, I Ismail, J Ning, JL Provis, JL Provis, KB Krauskopf, KK Sagoe-Crentsil, L Konecny, LG Benning, M Chaouche, M Criado, M Criado, M Criado, M Frías, M Ismail, P Herasymenko, P Hewlett, PW Atkins, Q Ma, Q Yuan, RJ Myers, S Kumar, SJ Ford, UM Angst, V Garcia, V L’Hostis, W Hummel, Y Morozov   +51 more
core   +3 more sources

The reaction of slag in cement: theory and computer modelling [PDF]

, 2006
In this study, theoretical models available for the reaction of both pure slag\ud (alkali-activated) and slag-blended cement are reviewed.
Brouwers, H.J.H., Chen, W.
core   +1 more source

Review of recent advances in the design, synthesis, and modification of biochar for remediation of heavy metal pollution in water

The Canadian Journal of Chemical Engineering, EarlyView.
Research frontiers in using biochar for heavy metal remediation. Abstract Heavy metal contamination of water has long been a serious environmental issue. Biochar and biochar‐based composites are emerging as effective and sustainable solutions for heavy metal removal due to their strong adsorption abilities and environmentally friendly nature.
Soumik Chakma, Mehedi Hasan, Sudip K. Rakshit, Janusz Kozinski, Kang Kang   +4 more
wiley   +1 more source

Modelling chloride transport in alkali-activated slags [PDF]

Cement and Concrete Research, 2020
The service-life of steel-reinforced concrete structures is primarily determined by the ability of the concrete cover to resist chloride ingress. With limited literature available on the ingress of chloride into alkali-activated slags (AAS) under service conditions, it is critical that this is described by appropriate models.
Mundra, S., Prentice, D.P., Bernal, S.A., Provis, J.L.   +3 more
openaire   +2 more sources

Outline of a Washing Treatment to Improve Electric Arc Furnace Slag Environmental Behavior

steel research international, EarlyView.
This study evaluates a water‐washing treatment for electric arc furnace slag to reduce the leaching of hazardous elements (Cr, Ba, Mo, and V), enabling its reuse. The process effectively decreases leachate concentrations. Using the treated slag as a substitute aggregate in concrete reduces greenhouse gases emissions by 42.5% compared to landfilling ...
Luca Testini, Davide Mombelli, Giovanni Dotelli, Mario Grosso, Carlo Mapelli   +4 more
wiley   +1 more source