Higher temperature was beneficial for H2 production, tar conversion, and gas yield, but reduced H2/CO. However, as STF increased, the HHV of the syngas, and gasification performance reduced. Higher PR also enhanced the production of H2 and tar conversion. The results showed that, increasing PR could improve the gas yield, H2/CO and the higher heating value (HHV) of the syngas. Subsequently, the effects of gasification temperature, steam-to-fuel ratio (STF) and PE ratio (PR) on the produced gas composition, syngas yield, producer gas caloric value, tar content in the producer gas, H2/CO, H2 yield and gasification efficiencies are studied. The model is first validated by comparing with experimental data collected from a fluidized bed co-gasification system.
#Syntra small plus
In this study, a comprehensive process model was developed for co-gasification of rice husk (RH) and polyethylene (PE) using Aspen Plus simulator under steady-state condition. The addition of a high-carbon fuel (e.g., coal and polyethylene) to biomass can improve the quality of the syngas.
However, carbon content in biomass is low relative to plastics and fossil fuels, causing a significant reduction in the calorific value of the produced syngas. Energy recovery from biomass gasification has attracted increasing attention.
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