Mageed, A., Rizk, S., Abu-Ali, M. (2011). UTILIZATION OF WATER TREATMENT PLANTS SLUDGE ASH IN BRICK MAKING. JES. Journal of Engineering Sciences, 39(No 1), 195-206. doi: 10.21608/jesaun.2011.119717
A.A. Mageed; SH.A. Rizk; M.H. Abu-Ali. "UTILIZATION OF WATER TREATMENT PLANTS SLUDGE ASH IN BRICK MAKING". JES. Journal of Engineering Sciences, 39, No 1, 2011, 195-206. doi: 10.21608/jesaun.2011.119717
Mageed, A., Rizk, S., Abu-Ali, M. (2011). 'UTILIZATION OF WATER TREATMENT PLANTS SLUDGE ASH IN BRICK MAKING', JES. Journal of Engineering Sciences, 39(No 1), pp. 195-206. doi: 10.21608/jesaun.2011.119717
Mageed, A., Rizk, S., Abu-Ali, M. UTILIZATION OF WATER TREATMENT PLANTS SLUDGE ASH IN BRICK MAKING. JES. Journal of Engineering Sciences, 2011; 39(No 1): 195-206. doi: 10.21608/jesaun.2011.119717
UTILIZATION OF WATER TREATMENT PLANTS SLUDGE ASH IN BRICK MAKING
1Prof’s of mineral processing in Mining& Metallurgy Eng. Dept., faculty of Eng. , Assiut Univ. , Assiut, Egypt
2Demonstrator in Mining& Metallurgy Eng. Dept, faculty of Eng., Assiut Univ., Assiut, Egypt
Abstract
The present study investigates the possibility of using water treatment plant (WTP) sludge of New Assiut city (Assiut- Egypt) as partial substitute for shale in brick making. Due to the high content of organic matter in water sludge, incineration of the WTP sludge is necessary to remove of all organic compounds contained therein. For brick making, mixture of various proportions from 10 % to 50% by weight of sludge ash added to shale are used as raw materials in hand molding brick making. The produced brick samples after drying process and firing at 1000 0C for 6 hr,,s , received a series of tests including firing shrinkage , weight loss on ignition water, absorption ,bulk density ,compressive strength , slake durability and efflorescence test. Satisfactory results were achieved when the percentage of sludge ash was up to 30% (by wt.) or less in the mixture. The specifications of the produced bricks match the Egyptian standard ES: 1756/1989 of fired clay building units for non load bearing walls. The test results indicate that, the sludge ash proportions are one of the most important key factors determining the brick quality. Reuse of sludge ash as a construction and building material converts the waste into useful products that can alleviate the disposal and environmental problems.
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