Abstract:In this work, the S/S of heavy metals contained in hydroxide sludge waste was used into geopolymers. Metakaolin, sludge waste, hydroxide, and sodium silicate were mixed. Amount of waste added varied between 10% and 40% in the synthesis of geopolymers. Geopolymers were cured at 40°C for 24 h. After 7 and 28 days of aging, strength of the geopolymers specimen were studied. Mineralogical phases, morphology and FTIR analysis were used to characterize raw materials and geopolymers. TCLP test was used to determine a… Show more
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