科研之友
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摘要
This study analyzes bricks manufactured from bagasse, a by-product of the brewing industry. Raw materials (clay and bagasse) were characterized to determine their chemical composition, mineralogical composition and thermal behaviour. Mixtures were prepared with amounts of 0, 2.5, 5, 7.5 and 10 wt% of bagasse incorporated into the clay body. Rectangular test pieces were obtained by application of 54.5 MPa pressure, they were dried at 110 degrees C and fired at 950 degrees C in a laboratory furnace for 1 hour. Ceramic properties related to weight loss on ignition, linear shrinkage, bulk and absolute density, water absorption, water suction and compressive strength were analyzed in order to evaluate the suitability of using this wastes in ceramic matrix to the production of building bricks. The results indicate that the incorporation of the bagasse decreases the absolute and bulk density, increases the water absorption and reduces the compressive strength of the brick.
