Abstract
This work aims to evaluate the gasification of oily sludge (OS) and the potential use of produced gas as feedstock for ammonia production. For this purpose, a computational gasification model was developed and validated in Aspen Hysys® v. 11.0 software to evaluate the influence of air/steam mixtures as gasification agents on the studied parameters. The Lower Heating Value (LHV) of the producer gas varied between 5 and 10 MJ/m3 for equivalence ratios greater than 0.3. The molar concentration of H2 increased to 24.9% at 1380°C and decreased to 21.5% at 1700°C. Finally, the producer gas was used to synthesize ammonia, where a conversion of more than 90% was obtained at a pressure of 100 bar and a temperature of 450°C. The results showed that oil sludge gasification could be a viable alternative to efficiently converting refinery waste into valuable products.
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