In this study, strain-hardening ultra-high-performance geopolymer concrete (SH-UHPGC) was produced using Na2CO3, Na2SiO3 and their hybridization (1:1 in mole ratio) as alkaline …
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2025513· Fig. 10 illustrates the stabilization and solidification mechanisms of heavy metals (Pb, Cr, Cd) in the sodium carbonate-activated volcanic ash geopolymer system incorporating …
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201931· Calcium derived from the slag modifies sodium aluminosilicate (N-A-S-H) gel, partially replacing sodium ion with calcium ion to form (Ca,Na)-A-S-H gels which cause rapid …
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61· Geopolymer is a new environment-friendly cementitious material, and the development of geopolymer can reduce the carbon dioxide emission caused by the …
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geopolymer. The addition of sodium carbonate and calcium hydroxide in solid activator enhanced the compressive strength and decreased the setting time and flowability of the mixes. The …
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Engineered geopolymer composites (EGC) have emerged as promising alternatives to engineered cementitious composites (ECC), largely owing to their low carbon emission …
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121· Fig. 8 shows the mass loss corresponding to sodium carbonate in the foamed geopolymers, from which the amount of CO 2 released during the foaming process was …
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202081· The results showed that sodium metasilicate pentahydrate was more suitable than quick-dissolving sodium silicate for preparation of geopolymer. The addition of sodium …
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2020111· Geopolymer is considered as the last generation of cement, after lime and ordinary Portland cement (OPC), The sodium carbonate, with the purity of more than 99% and in a powder form, was provided from one of the …
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1210· Mechanical and microstructural characteristics of geopolymer paste, mortar, and concrete containing local zeolite and slag activated by sodium carbonate J. Build. Eng. , …
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202411· Extending applicability of 3D-printable geopolymer to large-scale printing scenario via combination of sodium carbonate and nano-silica. Author links open overlay panel Yuning …
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202521· The major advantage of the sodium carbonate activator is that it has a wide range of sources and does not decompose under normal environmental conditions (Dung et
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202061· This work presents an investigation of fresh and hardened properties of fly ash-based one-part geopolymer activated by mixture of anhydrous sodium metasilicate (Na 2 SiO …
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2025131· Based on the reuse of industrial solid wastes such as calcium carbide slag, slag, and oil shale residue, this work utilizes oil shale residue and slag as precursor materials, …
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2020315· The investigation of sorbent depletion is assessed by solely considering a representative reaction between sodium carbonate and sulphur dioxide. This idealisation …
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1011· Lower concentration of sodium silicate and sodium hydroxide in the liquid component may impair the mechanical properties of the alkali-activated materials and …
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Usually, this finding is observed for NaOH-rich geopolymers due to sodium carbonate formation. The distinct bands at 1653 and 3246 cm −1 are associated with a H-O-H bending vibration …
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2024102· Sodium dodecyl benzene sulfonate (SDBS) was employed as an anionic surfactant, and Sudan Red (III) was supplied by Aldrich, USA. Calcium chloride (CaCl 2) and …
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However, typical alkaline activators used in geopolymer often contribute to significant environmental impact. Sodium carbonate (SC), also known as natural alkali, is derived from …
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2024518· In this study, a geopolymeric binder was prepared in powder form containing slag as a precursor material, and sodium silicate and sodium carbonate as alkaline materials. …
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65· Introduction The vast increase in CO2 and waste generation in recent decades has been a major obstacle to sustainable development and sustainability. In construction …
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This study introduces a novel hybrid activation approach using SC as a partial replacement for sodium hydroxide (SH), aiming to improve both the mechanical performance and sustainability …
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1110· Acid-resistance of one-part geopolymers: Sodium aluminate and carbonate as alternative activators to conventional sodium metasilicate and hydroxide. Author [21] …
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2025518· Mechanical Properties of Sustainable Engineered Geopolymer Composites with Sodium Carbonate Activators
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111· The solid activators used for the preparation of one-part geopolymer pastes were anhydrous sodium metasilicate (Na 2 SiO 3), sodium carbonate (Na 2 CO 3), and …
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1210· Mechanical and microstructural characteristics of geopolymer paste, mortar, and concrete containing local zeolite and slag activated by sodium carbonate J. Build. Eng. , …
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The efflorescence products scraped from the exposed geopolymer samples are mainly composed of heptahydrate (Na 2 CO 3 ·7H 2 O), trona (Na 3 H(CO 3) 2 ·2H 2 O) and sodium carbonate …
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