Exploitation of iron ore tailing for the development of ceramic tiles

Das, Swapan Kumar; Kumar, Sanjay; Ramachandrarao, P.

doi:10.1016/s0956-053x(00)00034-9

Cited by 164 publications

(55 citation statements)

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“…The properties of ceramic tiles with different types of by-products incorporated have been investigated in recent years [2][3][4][5][6]. Recent researches have studied the synthesis and characterization of ceramic bricks and tiles from coal fly ash and incinerated paper mill sludge [7], metal finishing wastes [8], municipal solid waste incineration ash [9], marine dredging spoils , incinerated sewage sludge and steelworks slag [10], iron ore tailing [11] and granite sawing wastes [12]. Influence of fly ash granulometry and pentasodium triphosphate addition on dry pressed ceramic tiles based on fly ash-clay body was investigated by Sokolar and Smetanova [13].…”

Section: Introductionmentioning

confidence: 99%

Utilisation of different types of coal fly ash in the production of ceramic tiles

Koçkal¹

2012

Bol. Soc. Esp. Ceram. Vidr.

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The influence of varying proportions of different types of fly ash (used in place of feldspar) and different sintering temperatures on the sintered properties of ceramic tile bodies was evaluated. The results indicated that sintering ceramic tiles with a high fly ash content at a high temperature caused a decrease in the properties because of bloating. The ceramic samples containing a higher amount of fly ash that were sintered at low temperature exhibited lower water absorption, larger shrinkage and strength because of the densification observed also in microstructural investigation.Keywords: Sintering; Microstructure; Mechanical properties; Tiles. Utilización de diferentes tipos de cenizas volantes de carbón en la producción de baldosas cerámicasSe ha evaluado la influencia de la proporción de diferentes tipos de cenizas volantes (en lugar de feldespato) y diferentes temperaturas de sinterización en las propiedades de soportes cerámicos. Los resultados indicaron que las composiciones con un alto contenido de cenizas volantes provocaron una disminución en las propiedades de las piczas cocidas a alta temperatura como consecuencia del hinchamiento. Las composiciones con una mayor cantidad de cenizas sinterizadas a baja temperatura mostraron una menor absorción de agua, mayor contracción y resistencia mecánica debido a la densificación como también se observó en la investigación microestructural.

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Section: Introductionmentioning

confidence: 99%

Utilisation of different types of coal fly ash in the production of ceramic tiles

Koçkal¹

2012

Bol. Soc. Esp. Ceram. Vidr.

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“…A mix design procedure for recycled aggregate concrete was developed by Bairagi et al 35 . Das et al 36 utilized iron ore tailings (IOT) as raw material in the production of ceramic tiles. Zhang et al 37 recommended comprehensive utilization of IOT in China.…”

Section: Non-organic Solid Wastementioning

confidence: 99%

Non-Organic Solid Wastes - Potential Resource for Construction Materials

Reddy¹,

Kumar²,

Ullas³

et al. 2016

Current Science

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Construction industry consumes natural resources in bulk quantities for various products such as bricks/ blocks, mortar, concrete, etc. Indiscriminate exploitation of natural resources to meet the ever-expanding needs of the construction sector is posing serious environmental concerns and resulting in scarcity of natural raw materials. At the same time, a large volume of non-organic solid waste (NOSW) is being generated through various anthropogenic activities. It is challenging to find environmentally safe and economically viable solutions for handling such waste materials. This article discusses the construction industry scenario in India, some estimates of NOSW and strategies for their utilization. Few case studies of R&D work on the possibilities of utilizing NOSW for construction products are illustrated. In particular, the technical feasibility of utilizing construction and demolition (C&D) waste and iron ore tailings (IOT) as raw materials for construction products is highlighted. Experimental results presented here on the properties of mortar and concrete when C&D waste and IOT are used as an alternative to fine aggregate for replacing the scarce river sand are promising, showing immense potential for utilizing NOSW for the manufacture of construction products and materials.Keywords: Aggregates, construction materials, iron ore tailings, solid waste.CONSTRUCTION sector consumes maximum amount of natural resources and energy. Manufacturing of construction products requires raw materials and energy. Majority of the raw materials are mined from the earth. Natural resources are mined indiscriminately for construction purposes, causing environmental problems. Energy is expended for converting the raw materials into useful construction products. In addition, the construction materials and products are hauled over long distances spending fossil fuel energy. There are many instances where laws have been enforced to preserve precious natural resources and even ban mining of sand from the river beds.Raw material extraction, manufacture of materials, transportation and construction cause environmental damage and greenhouse gas (GHG) emissions. Estimates show that more than 40% of the total energy and 30% of the material resources are consumed by the habitat and related infrastructure 1 . Ruuska and Hakkinen 2 estimate that better construction and use of buildings in the European Union would influence 42% of energy consumption and more than 50% of all extracted materials. There is an urgent need for minimizing the mining of raw materials and reducing energy consumption.Annual per capita consumption of construction materials is estimated at 1.8 and 3.6 tonnes in India and the world respectively 3 . Aggregates constitute about 60% of the total materials consumed. For example, in India per capita annual consumption of aggregates is about 1.0 tonne in contrast to about 0.20 tonnes food grains consumption. Consumption of cement has grown by leaps and bounds since the last three decades. A tonne of cement requires 5-6 ton...

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“…Iron ore tailing, steel slag and blast furnace slag (BFS) are examples of solid industrial waste which has been converted into value added products in recent years [2,3]. BFS is a byproduct of steel production, discharged from blast furnaces in the steel smelting process, essentially consisting of SiO 2 , CaO, Al 2 O 3 , MgO, along with other compounds such as FeO, TiO 2 , and MnO 2 [4].…”

Section: Introductionmentioning

confidence: 99%