Utilization of Stone Waste in the Development of Value Added Products: A State of the  Art Review

Lakhani, Rajni; Kumar, Rajesh; Tomar, Priyanka

doi:10.25103/jestr.073.29

Cited by 48 publications

(19 citation statements)

References 22 publications

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“…Slurry affects the productivity of the land as a result of decreasing porosity, and water absorption and also percolation. Additionally, due to long-term deposition, slurry dumping areas are not able to support vegetation and remain degraded, while the finer particles seriously influence underground water availability and stop the flow regime of aquifers [5]. In addition, cement is the most environment-pollutant component of concrete.…”

Section: Introductionmentioning

confidence: 99%

“…A number of researches have shown that the incorporation of several types of stone waste in concrete production results in lower slump of fresh concrete in comparison with traditional concrete, and increasing the waste content further lowers the slump. It is argued that the particle size of the stone aggregates is the reason behind this lower slump [5].…”

Section: Introductionmentioning

confidence: 99%

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Performance of Concrete with Waste Granite Powder: The Effect of Superplasticizers

et al. 2018

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Granite stone is highly demanded by construction sector. In the processing stage, great amounts of waste powder are produced that can be used as cement replacement in concrete production. Reduced workability is the first problem of this replacement and it can be mitigated by using superplasticizers (SP). This study was carried out to limit the disadvantages related to waste granite powder (WGP) use through the use of SP. For this purpose, 19 concrete mixes containing various types of SP with different contents and WGP as cement replacement were appraised. Fresh concrete density, splitting tensile strength, electrical resistivity, compressive strength and resistance to sulphate attack tests were conducted. The mixes were assessed based on their environmental impact, economic, and mechanical performance. The results have shown that SP can eliminate most disadvantages caused by using stone waste, particularly negative effects on the mechanical properties. They can even improve some properties of concrete, including electrical resistivity by up to around 90%. Furthermore, the concrete mixes PT5, PF5, and PF10, which were made with both SP and stone waste, obtained the best results, with over 30% improvement in the multi-criteria evaluation index values compared to the mix W0 (reference mix). The proper use of WGP as replacement for cement would have environmental benefits and help the economy of the granite stone industry.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance of Concrete with Waste Granite Powder: The Effect of Superplasticizers

et al. 2018

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“…The stone powder is mainly composed of silicon dioxide, calcium carbonate, and other aluminum silicate containing calcium [17], which is identified by XRD measurement shown in the lower red curve in Figure 1 and EDS element detection presented in Table S1 in the supplementary materials. The stone powder was mixed with concrete and sand, and then fabricated into aerated bricks.…”

Section: Resultsmentioning

confidence: 99%

Waterproof Aerated Bricks from Stone Powder Waste through Nano-TiO2 Structured Hydrophobic Surface Modification

Tao

Zeng²,

et al. 2019

Applied Sciences

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To eliminate the negative impacts of waste stone powder that arises from stone processing, the waste was recycled into aerated bricks with a porous structure that exhibited exceptional properties when applied in buildings. However, the pores easily absorb rainwater and dust, causing performance degradation and mold growth inside. In this paper, we have developed through hydrothermal reactions an environmentally friendly aqueous suspension, containing homemade highly dispersive TiO2 nanoparticles modified with super-hydrophobic groups on the surface. The suspension was coated onto the aerated bricks, creating a super-hydrophobic surface with a highly textured hierarchical structure. A large contact angle of 146° tested on the surface and negligible water absorption for 24 h immersion demonstrate the excellent water proofing performance, holding a great promise for large scale applications in construction and buildings.

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“…The solidification, also known under the term stabilization, is based on the physical encapsulation of the contaminants and their chemical fixation in the solid matrix of a newly generated product. The input material and waste are intensively mixed in continuous or batch wise operated mixers with additives like cement, limestone, gypsum, fly ash or blast furnace slag and water [Lakhani et al 2014]. In the case of the physical encapsulation, the input material is merged by the binders and additives.…”

Section: Solidificationmentioning

confidence: 99%

An Overview of Particle Agglomeration Techniques to Waste Utilization

Borowski¹

2021

J. Ecol. Eng.

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Particulate materials and waste from industrial processes are troublesome in storage, transport and utilization, mainly due to their large volume and dusting. Therefore, originally the main reason for developing the agglomeration processes was to eliminate the afore-mentioned disadvantages. However, the modifications introduced to the merging processes of materials enabled obtaining a new type of products widely used in various applications. For the agglomeration of the inorganic materials, often containing hazardous substances, the disposal and transformation technologies are available for the safe products that can be used, for example, in civil engineering and construction. In turn, the agglomeration of the materials containing organic substances or fine coal, producing alternative fuels for energy recovery. Obviously, the combustion of these fuels results in a subsequent generation of waste in the form of bottom and fly ash, but they can be successfully further agglomerated to produce more valuable products. The numerous examples of the use of various agglomeration techniques to complete utilization of fine grains was shown. An additional effect of the agglomeration processes was also the fulfilment of the economy criteria, which matches with the principles of sustainable development of the environment. Supporting by worldwide literature, the selected agglomeration techniques were discussed, such as: solidification, granulation, extrusion, briquetting, as well as post-agglomeration high-temperature processing.

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Utilization of Stone Waste in the Development of Value Added Products: A State of the Art Review

Cited by 48 publications

References 22 publications

Performance of Concrete with Waste Granite Powder: The Effect of Superplasticizers

Performance of Concrete with Waste Granite Powder: The Effect of Superplasticizers

Waterproof Aerated Bricks from Stone Powder Waste through Nano-TiO2 Structured Hydrophobic Surface Modification

An Overview of Particle Agglomeration Techniques to Waste Utilization

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