Recycling of ceramic tiles waste and marble waste in sustainable production of concrete: a review

In manufacturing, Industry 4.0 operating models enable greener technologies. Thanks to digital technologies, environmental sustainability and organizational competitiveness are mutually reinforcing. The challenge for manufacturing organizations is to understand and quantify the magnitude of this synergistic action, and the holistic perspective of life cycle assessment tools may be a solution to the problem. Organizational Life Cycle Assessment (O-LCA) unlike Product Life Cycle Assessment (LCA) is still an under-researched methodology with few applications in manufacturing contexts. This paper aims to fill this gap by implementing and validating O-LCA in the case of an Italian ceramic tile manufacturer. Following the O-LCA guidelines and exploiting Industry 4.0 technologies to perform the inventory analysis, the environmental assessment was conducted in three different plants, comparing the sum of the partial impact results with the overall results scaled to the whole organization. The experimental results demonstrated the validity of the organizational approach as an appropriate methodological option to obtain relevant information on environmental performance that, being based on empirical evidence, better support decision-making processes. Furthermore, the study provides empirical evidence of how Industry 4.0 is an enabler not only for the adoption of greener technologies, but especially for facilitating the organizational environmental impact assessment that is the necessary condition in order to set up and maintain greener manufacturing contexts.

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“…Upon disposal, part of the material is normally recovered for new purposes, e.g. road surfaces and concrete (Mangi et al 2022).…”

Section: Context Of Applicationmentioning

confidence: 99%

Industry 4.0 real-world testing of dynamic organizational life cycle assessment (O-LCA) of a ceramic tile manufacturer

Cucchi¹,

Volpi

Ferrari

et al. 2022

Environ Sci Pollut Res

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“…In addition, it can provide signi cant advantages in terms of both economic and environmental participation by giving low burning temperatures and low carbon dioxide emissions [6]. Raw mixtures containing ceramic and marble waste [7,8], calcined diatomite, and wolframite ore are among the subjects that have been tried to be used as an alternative to main raw materials in cement production by spraying dried cement wastes. The common feature of all of them is to reduce cement production costs and contribute to nding an alternative raw material in cement [8,9,10].…”

Section: Introductionmentioning

confidence: 99%

An alternative raw material for Portland cement clinker preparation: Meta-schist

Korkmaz

Hacıfazlıoğlu

2023

Preprint

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This study investigates the use of meta-schist as an alternative base material to cement clay in clinker production. First, the mineralogical differences between the reference cement clay, rich in silica but poor in iron and aluminium and the meta schist, rich in aluminium and iron and relatively poor in silica, were revealed by the XRD method. Two raw meal samples were prepared, one with ordinary raw materials (limestone and clay) ((RM)/Ref) and the other with meta-schist ((RM)/M) as a reference sample. The effects on the reactivity of the raw mix samples were evaluated on the basis of the unreacted lime content in the samples sintered at 1200, 1300, 1350, 1400 and 1450 °C. Then, two different clinker samples were produced by sintering the two raw mixtures at 1450°C. The relationships between the internal structures of the clinker samples determined by polarizing microscope (amount of porosity, distribution, grain structure of silicate phase crystals and variation of equivalent crystal diameters) were investigated. In addition, setting time, compressive strength and expandability properties of cement mortars produced with both clinker samples were tested. The microstructures of the mortar samples were examined on the 2nd, 7th and 28th days by scanning electron microscopy. It was observed that the meta-schist clinker contains less free CaO than the reference clinker at different temperatures. Both clinkers have similar proportions of alite and microstructures of alite and belite are identical in terms of crystal size and composition. At the same time, the distribution of the liquid phase is more uniform in the reference cement. Using meta-schist, low-temperature and low-cost Portland cement clinker can be produced without additional regulatory materials and blending.

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Modeling the nexus of data analytics, sustainability practices and quality management: Evidence of key enablers

Ahmed,

Ahmed

et al. 2023

Environ Dev Sustain

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Recycling of ceramic tiles waste and marble waste in sustainable production of concrete: a review

Cited by 23 publications

References 96 publications

Industry 4.0 real-world testing of dynamic organizational life cycle assessment (O-LCA) of a ceramic tile manufacturer

Industry 4.0 real-world testing of dynamic organizational life cycle assessment (O-LCA) of a ceramic tile manufacturer

An alternative raw material for Portland cement clinker preparation: Meta-schist

Modeling the nexus of data analytics, sustainability practices and quality management: Evidence of key enablers

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