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ABSTRACT
Clay samples from different parts of Edo State, Nigeria were studied with the aim of assessing their suitability for geopolymer synthesis. The objectives includes, carry out a geochemical analysis to determine their SiO2 and Al2O3, determine their mineralogy before and after geopolymer synthesis using, determine structure of geopolymer after synthesis and subject the geopolymers to Water absorption and Compressive tests after 28 days of curing. The samples were analyzed geochemically, geotechnically and mineralogically using X-Ray Diffractometry, X-Ray Flourescence, Scanning Electron Microscopy as well as grainsize analysis methods. The results obtained shows Compressive strength of 8.62-38.85MPa, Absorption Range of 18.49 -28.06%, the XRF shows Si/Al at 1.49 raw materials. The overall result reflects that the studied clay samples from different parts of Edo state, Nigeria are suitable for different synthetic geopolymer. Futher studies on these clays sample should be carried on for acidic and alkaline test. Also different strength of the alkali activator should be studied.
