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The process of co-combustion of municipal solid waste with sludge for power generation was simulated by ASPEN PLUS in this paper. Thermodynamic analysis was carried out according to the simulation results later. The results showed that: Using exhaust gas as heat source to dry the sludge could improve the generation efficiency; The exhaust flue gas of 423 K could decrease the sludge moisture content...
Thermodynamic equilibrium calculations were performed to determine the distribution of potentially toxic elements in the co-combustion of waste and sludge. The effects of temperature, pressure and atmospheres on equilibrium composition were evaluated. The results showed that: Under oxidizing conditions, HCl was a key factor influencing the distribution of trace element besides temperature. The participation...
Based on the ASPEN PLUS simulation platform, drying and fluidized bed incineration process of mechanically dewatered sludge with 70% moisture content was simulated. Compared with other calculation methods, this method could achieve sludge incineration simulation rapidly, and could further optimize the technology or adjust the stream parameter conveniently. The results obtained showed that: The heat...
Based on Aspen Plus, a computer simulation model for sludge gasification was developed. The influences of moisture content in sludge, gasification pressure and equivalence ratio(ER) were considered. The results showed that, the producer gas were mainly CO, H2, CO2 and H2O with little H2S, CH4, while SO2 and N2 were almost none; with the increase in sludge moisture content, ER should be increased in...
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