Glass-ceramics produced from thin-film transistor liquid-crystal display waste glass and blast oxygen furnace slag

Fan, Chen-Shiuan; Li, Kuan‐Ching

doi:10.1016/j.ceramint.2013.12.046

Cited by 30 publications

(8 citation statements)

References 19 publications

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“…For common soda‐lime glass a significant fraction enriched in contaminants remains practically unemployed, and is mostly landfilled . The ‘useless’ fraction is obviously more significant for glasses derived from articles that are no longer produced or from articles employing by themselves a limited quantity of recycled materials, such as glasses from the dismantling of cathode ray tubes (CRTs), lamps (bulbs, fluorescent lamps), liquid crystal and plasma displays, pharmaceutical containers . ‘Unemployed recycled glass’ can be effectively referred to as ‘waste glass’ (whereas ‘waste‐derived glass’ is the product of vitrification of wastes, that may include unemployed recycled glass).…”

Section: Inorganic Waste As Raw Materials For Glass‐based Productsmentioning

confidence: 99%

Recycling of inorganic waste in monolithic and cellular glass‐based materials for structural and functional applications

Rincón

Marangoni

Çetin

et al. 2016

J of Chemical Tech & Biotech

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The stabilization of inorganic waste of various nature and origin, in glasses, has been a key strategy for environmental protection for the last decades. When properly formulated, glasses may retain many inorganic contaminants permanently, but it must be acknowledged that some criticism remains, mainly concerning costs and energy use. As a consequence, the sustainability of vitrification largely relies on the conversion of waste glasses into new, usable and marketable glass‐based materials, in the form of monolithic and cellular glass‐ceramics. The effective conversion in turn depends on the simultaneous control of both starting materials and manufacturing processes. While silica‐rich waste favours the obtainment of glass, iron‐rich wastes affect the functionalities, influencing the porosity in cellular glass‐based materials as well as catalytic, magnetic, optical and electrical properties. Engineered formulations may lead to important reductions of processing times and temperatures, in the transformation of waste‐derived glasses into glass‐ceramics, or even bring interesting shortcuts. Direct sintering of wastes, combined with recycled glasses, as an example, has been proven as a valid low‐cost alternative for glass‐ceramic manufacturing, for wastes with limited hazardousness. The present paper is aimed at providing an up‐to‐date overview of the correlation between formulations, manufacturing technologies and properties of most recent waste‐derived, glass‐based materials. © 2016 The Authors. Journal of Chemical Technology & Biotechnology published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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Section: Inorganic Waste As Raw Materials For Glass‐based Productsmentioning

confidence: 99%

Recycling of inorganic waste in monolithic and cellular glass‐based materials for structural and functional applications

Rincón

Marangoni

Çetin

et al. 2016

J of Chemical Tech & Biotech

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show abstract

“…In the case of the end LCD waste glasses, however, the aforementioned toxic components contained in the old LCD glasses preclude their recycling [6], and thus they are disposed as waste material. In relation to LPWG, there have been several studies on their recycling in the field of ceramic tile [7,8], glass-ceramics [9][10][11], foamed glass [12] and cement [13][14][15]. However, there have been no reports in which LPWG is applied to traditional porcelain such as sanitary ware.…”

Section: Introductionmentioning

confidence: 96%

LCD waste glass as a substitute for feldspar in the porcelain sanitary ware production

Kim

Hwang

2015

Ceramics International

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“…13,14 Research works that focused on the optimum heat treatment schedule, nucleation agent, and physical properties of glass ceramics have revealed some critical information about slag glass ceramics, and provided theoretical instruction for future studies on BF slag glass ceramics. [14][15][16][17] However, the industrial manufacture of glass ceramics related to molten blast furnace slag is confronted with many problems, and one of the most important reasons is that the understanding and control of structure and properties of melts are not thoroughly studied. For glass ceramics from BF slag, preparation of glass melt prior to heat treatment is always one of the most critical and necessary procedures.…”

Section: Introductionmentioning

confidence: 99%

Structure, viscosity, and crystallization of glass melt from molten blast furnace slag

Zhang

Xiao

et al. 2020

Int J of Appl Glass Sci

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Molten blast furnace slag (BF slag) was modified using liquid‐liquid mixing method for glass ceramics preparation, and the structure and viscosity of glass melt after modification were investigated. The BF slag proportion increased from 52.72 wt. % to 67.05 wt. %, and CaO/(SiO2 + Al2O3) also varied from 0.33 to 0.47. The structure of BF slag melt after modification was investigated using 29Si and 27Al MAS NMR spectra. With increasing CaO/(SiO2 + Al2O3), the amount of Q1 remarkably increased while that of Q2 decreased significantly. Specifically, when CaO/(SiO2 + Al2O3) was more than 0.38, Q3 disappeared in glass melt. The viscosity of glass melt with CaO/(SiO2 + Al2O3) of 0.47 exhibited a steep change at 1169°C, which was mainly caused by the sufficient crystallization of gehlenite confirmed by DTA cooling analysis, XRD, and FE‐SEM‐EDS analysis.

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Glass-ceramics produced from thin-film transistor liquid-crystal display waste glass and blast oxygen furnace slag

Cited by 30 publications

References 19 publications

Recycling of inorganic waste in monolithic and cellular glass‐based materials for structural and functional applications

Recycling of inorganic waste in monolithic and cellular glass‐based materials for structural and functional applications

LCD waste glass as a substitute for feldspar in the porcelain sanitary ware production

Structure, viscosity, and crystallization of glass melt from molten blast furnace slag

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