Investigation Of The Potential Of Sugar Cane Bagasse Ash For Production Of Ceramic Material (wall Tiles)

Utilization of sugarcane bagasse ash (SCBA) waste as a value added material in industrial processrnis interested from both environmental and economic perspectives. Hence, this thesis work focusedrnon partial replacement of quartz/silica sand by SCBA which is composed of 72.02% SiO2, 7.96%rnfluxing compounds (K2O, Na2O and MgO) and other minor components has been investigated tornproduce ceramic wall tiles, where ceramic raw materials (feldspar, kaolin and clay) have beenrnremained constant. The compositional and mineralogical analysis of materials (SCBA and silicarnsand) have been performed by using atomic absorption (AA) method and x-ray diffraction (XRD)rnrespectively. This result revealed the suitability of replacement of quartz by SCBA. Thernexperiments have been conducted by replacing quartz with SCBA (20, 35 and 50 wt.%).rnCorrespondingly the effects of pressing pressure at 15, 17, 19MPa and firing temperature atrn1000℃, 1100℃, 1200℃ have been investigated. The physico-mechanical properties like: green,rndry and fired strength, linear shrinkage, water absorption, LOI and crazing test (for glazed) of thernproducts have been analysed. The experimental results showed that at 1100℃ firing temperature,rnreplacement of quartz by 35% SCBA and at17MPa pressing pressure found the best for ceramicrnwall tiles production. Thus, from the experimental results, it was concluded that SCBA can bernutilized for production of ceramic wall tiles as partial replacement for silica sand/quartz. Hence,rnminimization of the SCBA environmental impacts and its economic advantages have beenrnrealized.

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