Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics

Vasić, Milica; Terzić, Anja; Radovanović, Željko; Radojević, Zagorka; Warr, Laurence N.

doi:10.1016/j.clay.2022.106410

Cited by 26 publications

(28 citation statements)

References 59 publications

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“…The distinctive bands at 424/427 and 530/538 cm −1 (CGW/GW) again present the part of the footprint of feldspars [40,42]. Nonetheless, the second band at 530/538 cm −1 may also correspond to trace amounts of hematite [31]. Besides, in the sample GW, the band is detected at 590 cm −1 , showing O-Si(Al)-O bending vibrations in feldspars.…”

Section: Characterization Of Initial Materialsmentioning

confidence: 81%

“…Additionally, the mild and wide band at 1630 cm −1 indicates the bending vibration of the physically adsorbed water molecules to illite-mica. A weak band of illite-mica was observed at around 848 cm −1 [31]. All the previously mentioned peaks are missing in the GW samples.…”

Section: Characterization Of Initial Materialsmentioning

confidence: 88%

“…The obtained FT-IR bands in the GW and CGW samples (Figure 4) complemented the composition of the material determined by the XRD and XRF analyses. The sharp bands at about 3616, 3652, and 3688 cm −1 in the CGW correspond to the -OH groups' stretching vibrations of illite-mica and some kaolinite [31]. Additionally, the mild and wide band at 1630 cm −1 indicates the bending vibration of the physically adsorbed water molecules to illite-mica.…”

Section: Characterization Of Initial Materialsmentioning

confidence: 94%

“…During the analysis in the mid-infrared part of the spectra, the FT-IR spectrophotometer Nicolet iS10 (Thermo Fisher Scientific, Waltham, MA, USA) equipped with an attenuated total reflectance accessory was applied. Details on the experimental setup are listed in the literature [31].…”

Section: Methodsmentioning

confidence: 99%

“…The crystalline form of quartz and symmetrical bending vibrations of the Si-O bond [31,40] is detected at 697/701 cm −1 in CGW/GW, being more prominent in CGW. The amorphous portion of quartz is seen as stretching vibrations in the CGW as a doublet at around 785 and 799 cm −1 .…”

Section: Characterization Of Initial Materialsmentioning

confidence: 98%

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Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles

2022

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One of the significant problems in the production of ceramic tiles is the very high consumption of natural resources such as clay, feldspar, and quartz. The possibility of replacing part of the formulation of ceramic batches is of great importance. In this research, the possibility of using aplitic granite waste from dimensional stone production was analyzed in detail. The waste is considered a low-cost substitute for feldspar in Serbia. The milled powdery waste was analytically tested to reveal its chemical and mineralogical contents, particle size distribution, and other important properties. The ceramic tiles containing aplitic granite waste (GW) and GW/raw clay mixture (CGW) were hydraulically pressed, and the ceramic and technological properties determined. This waste can act as a filler while forming, drying, and firing, since the high content of quartz helps to control the shrinkage and acts as a fluxing agent in high temperatures due to its feldspathic nature. The waste was found favorable in the production of ceramic tiles, as the gained values of modulus of rupture and water absorption were 28.68 MPa and 1.33%, respectively. The parameters defined in the series of standards EN ISO 10545 were tested on a semi-industrial probe, determining that this combination of materials (without the addition of quartz) may be efficiently used to produce ceramic floor tiles. The usage of what would otherwise be waste material contributes to sustainable management and environmentally friendly solutions by avoiding landfilling, while at the same time it enabling the conservation of scarce natural feldspar deposits.

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Section: Characterization Of Initial Materialsmentioning

confidence: 81%

Section: Characterization Of Initial Materialsmentioning

confidence: 88%

Section: Characterization Of Initial Materialsmentioning

confidence: 94%

Section: Methodsmentioning

confidence: 99%

Section: Characterization Of Initial Materialsmentioning

confidence: 98%

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Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles

2022

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Setting behavior and mechanical properties of geopolymers from fly ash and real construction waste

Kugler,

Krcmar,

Teipel

2023

Int J Ceramic Engine & Sci

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Sustainability is becoming an increasingly important factor in the development of new building materials. In terms of the sustainability of concrete components, the biggest challenge is the high energy consumption and associated greenhouse gas emissions in the production of Portland cement. A common strategy used by the construction industry to improve sustainability is to use residuals to develop lower‐emission geopolymer concretes that eliminate high‐emission cement‐based concretes. Because construction and demolition waste, at 3 trillion tons per year worldwide, also represents an environmental risk, this work will investigate the suitability of geopolymers based on real construction waste. In the course of the investigations, the manufactured geopolymer samples are examined for the material parameters relevant to building materials, namely compressive strength, flexural strength, raw density, total porosity, and thermal conductivity. The setting behavior and the forming structures are investigated by infrared spectroscopy, X‐ray diffraction analysis and scanning electron microscopy. The present study is intended to contribute to the development of a suitable recycling strategy for the material recycling of construction waste in novel geopolymer material.

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Critical parameters affecting the thermal resistance of alkali-activated aluminosilicate wastes: Current understanding and future directions

Abbass

Elrahman

Abdel‐Gawwad

et al. 2023

Environ Sci Pollut Res

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Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics

Cited by 26 publications

References 59 publications

Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles

Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles

Setting behavior and mechanical properties of geopolymers from fly ash and real construction waste

Critical parameters affecting the thermal resistance of alkali-activated aluminosilicate wastes: Current understanding and future directions

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