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Abstract
Sarooj is a local term used for pozzolana. It has been used extensively as a hydraulic binder in buildings, hydraulic installations, forts and castles, and in the renovation of historical monuments. It is produced by burning specific clay soil that possesses adequate quantities of silica, alumina and iron oxides. In the past, the material was produced using a large amount of energy most of which is wasted by blowing winds. The burning system was usually thermally inefficient, and the output is rarely checked for quality. Test on products produced by using the traditional method may yield poor quality Sarooj due to inadequate burning or over burning or even insufficient grinding in the end. In this research, extensive experimentation has been performed on the method of production of Sarooj to determine the factors influencing Sarooj quality. Based on these factors, a new method of production is proposed. In this method, a fully mobile kiln was designed to produce Sarooj on the site. The kiln can produce 200 kg/h of Sarooj, and can be installed within one hour of arriving on the site. It can be towed by a tractor or a normal vehicle to the desired location, connected to the natural gas supply and the electric power. The construction is light, compact, and easy to start and shut down. In this paper, the plant is described in detail, together with some preliminary results of testing done on Sarooj produced by the kiln. Full details of tests on the product of the kiln will be given in a subsequent paper.
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References
- BS5628-1, 1992, Code of practice for use of masonry, British Standards Institution.
- Gupta, J.S. and Rao, A.V.R., 1978, "Production of Clay Pozzolana by Fluidized Bed Technique,". Trans Indian Ceramic Society, Vol. 37, pp. 165-171.
- Hago, A.W., Al-Rawas, A.A. and Al-Harthy, A.S., 1995,
- "The Omani Sarooj," Department of Civil Engineering, Sultan Qaboos University, Sultanate of Oman, Unpublished report, Vol. 74, pp. 1-74.
- Hago, A.W. and Al-Rawas, A.A., 1997, "Properties of the Omani Sarooj," Engineering Journal of the University of Qatar, Qatar, Vol. 10, pp. 81-91.
- Hago, A.W. and Al-Rawas, A.A., 1999, "An Investigation into the Traditional Method of Production of Omani Sarooj," J. of Science and Technology, Sultan Qaboos University, Sultanate of Oman, Vol. 4, pp. 35- 43.
- Salvador, S. and Pons O., 2000, "A Semi-Mobile Flash Dryer/Calciner Unit to Manufacture Pozzolana from Raw Clay Soils-Application to Soil Stabilization," Construction and Building Materials, Vol. 14, pp. 109-117.
- Thatte, C.D. and Patel, J.K. 1978, "A New Design of Plant
- for the Manufacturing of Pozzolana," Indian Highways Journal, pp. 14-24
References
BS5628-1, 1992, Code of practice for use of masonry, British Standards Institution.
Gupta, J.S. and Rao, A.V.R., 1978, "Production of Clay Pozzolana by Fluidized Bed Technique,". Trans Indian Ceramic Society, Vol. 37, pp. 165-171.
Hago, A.W., Al-Rawas, A.A. and Al-Harthy, A.S., 1995,
"The Omani Sarooj," Department of Civil Engineering, Sultan Qaboos University, Sultanate of Oman, Unpublished report, Vol. 74, pp. 1-74.
Hago, A.W. and Al-Rawas, A.A., 1997, "Properties of the Omani Sarooj," Engineering Journal of the University of Qatar, Qatar, Vol. 10, pp. 81-91.
Hago, A.W. and Al-Rawas, A.A., 1999, "An Investigation into the Traditional Method of Production of Omani Sarooj," J. of Science and Technology, Sultan Qaboos University, Sultanate of Oman, Vol. 4, pp. 35- 43.
Salvador, S. and Pons O., 2000, "A Semi-Mobile Flash Dryer/Calciner Unit to Manufacture Pozzolana from Raw Clay Soils-Application to Soil Stabilization," Construction and Building Materials, Vol. 14, pp. 109-117.
Thatte, C.D. and Patel, J.K. 1978, "A New Design of Plant
for the Manufacturing of Pozzolana," Indian Highways Journal, pp. 14-24