Investigation of mechanical and morphological properties of spent bleach earth (SBE) reinforced glass waste composite

Khairul, Khairil Azwa (2015) Investigation of mechanical and morphological properties of spent bleach earth (SBE) reinforced glass waste composite. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The aim of this project is to investigate the mechanical and morphological properties of spent bleach earth (SBE) reinforced glass waste composite. SBE is a solid waste generated from the palm oil refinery and usually is being simply disposed off in landfills. The objectives of this project is to determine the ideal composition of the glass composite and to characterize the mechanical properties. Besides that, the objectives is to analyze the correlation of phase, microstructure and mechanical properties of the glass composite. The material used in this project are sod lime silicate glass and SBE in which act as matrix and filler respectively. The glass powder is crush and sieved to get the size of 75 μm. The SBE weight percentage in the glass composite is varied from 30 wt.%, 35 wt.%, and 40 wt.%. The sample is sintered at 750 °C with the heating rate of 2 °C/minute. There were few testing involved in this project such as physical testing (physical observation, density, porosity, and water absorption), mechanical testing (flexural and hardness test) and microstructure analysis (scanning electron microscope-SEM, and X-ray diffraction-XRD). The results showed that 30 wt.% SBE sample has lower water absorption and porosity percentage than 40 wt.% SBE sample. Besides that, 30 wt.% SBE sample shows the highest microhardness and MOR which is 4.95 GPa and 23.62 MPa respectively. In conclusion, the 30 wt.% SBE sample has better physical properties as well as good mechanical and morphological properties than other composition.

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