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Asian Journal of Applied Sciences
Year: 2009  |  Volume: 2  |  Issue: 4  |  Page No.: 331 - 340

Studies on Granite and Marble Sawing Powder Wastes in Industrial Brick Formulations

S. Dhanapandian and B. Gnanavel    

Abstract: The main aim of this research is to study the utilization potential of granite and marble sawing powder wastes as alternative raw materials in the production of bricks. To safeguard the environment, efforts are being made for recycling different wastes and utilize them in valuable applications. Granite and marble sawing powder wastes is widespread by-product of industrial processes in India. Generally these wastes pollute and damage the environment due to sawing and polishing processes. Granite and marble wastes were collected from companies located in Salem District, Tamilnadu, India. Local clay and fired industrial brick samples were collected from nearby district namely, Erode, Tamilnadu, India. Mixtures were prepared with amounts of 0, 10, 20, 30, 40 and 50 wt. % of wastes incorporated into the raw clay and then fired at temperatures from 500 to 900 °C in steps of 100 °C in an electric furnace. Their characterizations were carried out with the determination of particle size, chemical composition, plasticity, XRD, SEM and Mossbauer spectroscopy. The technological properties such as compressive and flexural strengths, water absorption, porosity and bulk density were determined. The results showed that the granite and marble wastes can be added to the clay material with no determinal effect on the properties of the sintered bricks anticipating no costly modifications in the industrial production line.

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