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Developments in mineral carbonation for Carbon sequestration

open access: yesHeliyon, 2023
Mineral technology has attracted significant attention in recent decades. Mineral carbonation technology is being used for permanent sequestration of CO2 (greenhouse gas).
Muhammad Imran Rashid   +4 more
doaj   +1 more source

Experimental Methods to Evaluate the Carbonation Degree in Concrete—State of the Art Review

open access: yesApplied Sciences, 2023
The carbonation action in concrete, in which carbonation reactions transform calcium hydroxide into calcium carbonate, is considered as a multi-phase physico-chemical process.
Huyen Bui   +2 more
doaj   +1 more source

Carbon nanofibers based carbon–carbon composite fibers

open access: yesDiscover Nano, 2023
AbstractTextile grade polyacrylonitrile (PAN) was used as a precursor material for carbon fiber preparation. E-beam irradiated polyacrylonitrile grafted carbon nanofibers were dispersed in polyacrylonitrile solution (dissolved in dimethyl formamide).
Nitilaksha Hiremath   +6 more
openaire   +3 more sources

Performance of GGBS Cement Concrete under Natural Carbonation and Accelerated Carbonation Exposure

open access: yesJournal of Engineering, 2021
One of the primary problems related to reinforced concrete structures is carbonation of concrete. In many cases, depth of carbonation on reinforced concrete structures is used to evaluate concrete service life.
Jun Zhao   +3 more
doaj   +1 more source

Evaluation of Concrete Carbonation Based on a Fiber Bragg Grating Sensor

open access: yesMicromachines, 2023
The carbonation of concrete greatly affects its service life. In this paper, fiber Bragg grating (FBG) sensors were used to investigate the relationship between concrete carbonation and its mechanical properties.
Jianzhi Li, Haiqun Yang, Handong Wu
doaj   +1 more source

Effect of autogenous healing of narrow and wide cracks on the progression of carbonation in the walls of cracks [PDF]

open access: yesMATEC Web of Conferences, 2023
This paper deals with the carbonation of concrete crack walls before and after healing in comparison to the carbonation of the bulk of the concrete. Natural carbonation tests were carried out on 50 MPa concrete.
Pourhaji Pardis   +2 more
doaj   +1 more source

Stress–Strain Curve and Carbonation Resistance of Recycled Aggregate Concrete after Using Different RCA Treatment Techniques

open access: yesApplied Sciences, 2021
Five recycled coarse aggregate (RCA) treatment techniques including flow-through carbonation, pressurized carbonation, wet carbonation, nano silica (NS) pre-spraying and combined pressurized carbonation with NS pre-spraying, were utilized to improve the ...
Long Li, Dongxing Xuan, Chi Sun Poon
doaj   +1 more source

Optimization of gas-solid carbonation conditions of recycled aggregates using a linear weighted sum method

open access: yesDevelopments in the Built Environment, 2021
Optimization of pretreatment and various gas-solid interaction conditions is necessary for effective carbonation of recycled coarse aggregates derived from concrete wastes (RCA).
Adebayo Olatunbsoun Sojobi   +4 more
doaj   +1 more source

Effect of Different CO2 Treatments on the Metal Leaching in Steel Slag Binders

open access: yesFrontiers in Energy Research, 2021
Carbonation is an effective method to promote the quality of the steel slag binder. In this article, two carbonation approaches, namely hot-stage carbonation and accelerated carbonation, were employed to leach the metals, and the influence mechanism on ...
Yaojun Liu   +5 more
doaj   +1 more source

Effect of duration and pressure of carbonation curing on the chloride profile in concrete [PDF]

open access: yesRevista IBRACON de Estruturas e Materiais, 2023
Carbonation curing alters the characteristics of the concrete's microstructure and can interfere with the penetration of aggressive ions. The objective of this article was to evaluate the influence of CO2 pressure and carbonation cure time on chloride ...
Roberto Luiz Dias   +3 more
doaj   +1 more source

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