ArticleMaterials (Basel, Switzerland)2022
Utilization of Calcium Carbide Residue as Solid Alkali for Preparing Fly Ash-Based Geopolymers: Dependence of Compressive Strength and Microstructure on Calcium Carbide Residue, Water Content and Curing Temperature.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Optimizing the Composition of Geopolymer Composites Incorporating Secondary Aluminium Industry By-Products Using Mathematical Modelling.Materials (Basel, Switzerland) · 2025Article
- Effects of Calcined Coal Gangue and Carbide Slag on the Properties of Cement Paste and Mortar.Materials (Basel, Switzerland) · 2025Article
- Calcium waste as a catalyst in the transesterification for demanding esters: scalability perspective.Beilstein journal of organic chemistry · 2025Article
- Multicriteria optimization of the composition, thermodynamic and strength properties of fly-ash as an additive in metakaolin-based geopolymer composites.Scientific reports · 2024Article
- Effect of Magnesium Salt (MgClMaterials (Basel, Switzerland) · 2022Article
- Effect of Calcium Carbide Residue on Strength Development along with Mechanisms of Cement-Stabilized Dredged Sludge.Materials (Basel, Switzerland) · 2022Article
- Mechanical and Durability Analysis of Fly Ash Based Geopolymer with Various Compositions for Rigid Pavement Applications.Materials (Basel, Switzerland) · 2022Article
- Experimental Study on Subgrade Material of Calcium Silicate Slag.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
6 authors.
Funding
Abstract
Calcium carbide residue (CCR) is a solid waste resulting from acetylene gas production. In this study, CCR was used as an alkali activator to prepare fly ash (FA)-based geopolymers without any alkali supplementation. We studied the factors (FA/CCR ratio, curing temperature, and water/binder ratio) influencing the mechanical property of FA/CCR-based geopolymers. The compressive strength results showed that, by optimizing these three factors, the FA/CCR mixture has great potential for use as a cementitious material and geopolymer with a dense microstructure having a maximal compressive strength of 17.5 MPa. The geopolymers' chemical structure, microstructure, and chemical composition were characterized and determined by a combination of techniques. All these results revealed that amorphous C-(A)-S-H (calcium (aluminate) silicate hydrate) gels mainly formed after geopolymerization resulting from the reaction of FA and CCR. In addition, some crystallines, such as ettringite and monosulfate, were also formed. Further, geopolymers prepared with a suitable FA/CCR ratio (1:1 or 1:2) possessed a compact microstructure because of their sufficient reactive SiO
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