Abstract
Alkaline activation is noteworthy in manufacturing due to its environmental implications since it enables the use of waste materials containing amorphous SiO2 and Al2O3 as initial components. Herein, stabilization/solidification (S/S) using the alkaline activation of granulated blast furnace slag (GBFS) was used to reduce the total petroleum hydrocarbon (TPH) of the crude oil-polluted sample leachate. By producing cementitious products and reducing the pore spaces of the oil-contaminated soil, the alkaline activation of slag created a dense structure and significantly lowered TPH. By raising the curing temperature, the TPH reduction intensity increased and reached > 60 %. Besides helping the circular economy by extracting high-quality resources from waste, this method controls oil pollution spread and decreases environmental pollution as it replaces cement and lime.
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